*Warning! Long!*
I got this from Rootsweb - I'll be doing the unisex list soon (since they're all mixed up). The female list can be seen here: http://www.behindthename.com/bb/view.php?id=3517122&board=baby
The first name is the usual form of that name, and the following are all variants that were used then, common and uncommon.
Abednego - Abednago, abednigo, Abednygo
Abel - Abell, Habell,
Abel, Abelus, Abelot, Ablot, Nab
Abraham -
Abram, Abrahem, Abrahamus
Adam - Adame, Addame,
Adem,
Adam, Adamus, Adcock, Atcock, Adkin, Adinet
Adeodatus -
Deodatus,
Adeodatus
Adrian - Adryan,
Adrianus,
Hadrianus
Aeneas -
Angus,
Aonghus,
Aengus
Alan -
Allen, Allin, Allyne, Alen, Alyn, Aleyn, Aleyne, Alanus
Alban -
Aubin, Aubyn, Albanus
Algernon - Aliernon
Aloysius -
Lewis
Ambrose - Ambrosse, Ambrous, Amrous, Ambrosius
Amos
Amyas -
Amias, Amisius, Amicius, Amiot, Amyot
Ancel - Ansell, Auncell,
Anselm, Ansellus, Ancelin, Ancelot
Angus - Angas, Aungas, Aonhghus, Oenghus,
Aengus,
Aeneas
Anketil - Anchitel, Ansketil, Anskettel, Anketin
Anthony - Anthonie, Anthonni,
Antony, Antiny,
Andoni, Hanntenne,
Antonius, Anthonius, Tonkin
Archibald - Archebald, Erchenbald
Arkulus - Arklus, Archelaeus,
Hercules, Arculus
Armin - Armine, Ermin, Ermine, Ermyne, Erme, Erminus
Arnold - Arnolde, Arnould, Arnaulde, Ernold, Arnoldus
Arthur - Arther Arthure Artor Arter Authur Athur Arturus Artorius Arcturus
Aubrey - Awbrey Albury Albery Awlbry Alberius Albericus Albrius
Augustine -
Augustin Agusten
Austin Augustinus
Austin -
Austen Austine Austyne
Augustine Austinus
Averill - Everill
Baldwin - Bauldwin Baldwyne Bawdwyn Bodwine Bawden Baudwinus Baudkin Bodkin Bawcock
Balthasar -
Balthazar Baltzar
Barnabas - Barnebas Barnabus Barnbas
Barnaby -
Barnabe Barniby Barnabee Barnabye Barnby Barnabeus
Barnard - Barnarde
Bernard Barnet Bernardus
Bartholomew - Bartilmew Bartholmew Barthelme Bartellme Bartolmy Bartholomme Bartilmey Bartimeus
Bartolomaeus Bartholomaeus
Bartholomeus Bat Bate Batty Bartle Bartlet Bartelot Badcock Batcock Batkin Toll
Tolly Tholly Tollet
Benedict - Benedick Benedicke Benet
Bennett Benedictus
Ben Benson
Benjamin - Beniamine Beniamyn Bengemane Bengamen Benimen Beniaminus
Ben
Bernard - Bernarde, Bernardus
Bertram - Bartram, Bertran, Bertramus, Bertrannus, Bertrandus
Bevis - Bevys, Bevicius, Beuicius
Bonaventure -
Bonaventure
Boniface - Bonyface Bonifous Boneface Bonifacius
Botolf - Botolfe, Botolph
Brian -
Bryan, Briante
Bruno - Brunow
Ceasar -
Cesar, Seser, Caesarius
Caleb - Calib, Calip
Camillus
Caradoc -
Caradog, Caradocus, Karadocus
Charles - Charlles, Charells, Charlys, Carolous, Charolous,
Charlot
Chichester
Christopher - Chrystopher Christofer Chrystofere Chrysteffor Christover Christofur Christofre Crystover Crysteover Christouer Cristove Xpofer Xtofer Xofr Xpo Christo
Kit Kester Crestolot
Ciprian -
Cyprian, Siprian, Seprene, Ciprianus
Colin - Colan, Colein,
Cailean,
Nicholas, Colandus, Colinet
Constantine - Costaine Costane Costan
Costin Custin Costantius Constantinus
Cornelius - Cornelyus Cornilius Cornelys Cornelus
Crispin -
Crispian, Crispen, Crispyan, Crispinus, Crispianus
Cuthbert - Cuthburt, Cuthbart, cutbert, Cutberd, Cutbearde, Cudbart, Cudburd, Curdbard, Cuddy
Cyriack - Cyriacke Syriack
Cyriacus Cereacus
Daniel - Danyell, Danielus, dankin, Dannet
David - Davidus, Daw, Dawkin,
Davie, Davit
Denzil - Denzill, Denzile
Deodatus -
Deodat,
Adeodatus, Deodonatus
Dermot - Diarmid, Dermicius
Derrick -
Derek, Derric, Deryk, Dyrrycke, Dyryk, Dirrycke
Dominick - Domynicke,
Dominicus
Drew - Dru, Drue, Drugo,
Drogo, Droco,
Drago, Drugan, Drewcock, Drocock, Drewet
Eamon -
Edmund
Edmund - Edmunde,
Edmond, Emond, Edmundus, Edmondus, Eadmundus
Edward - Edwarde, Edwarte, Edwardus, Eadwardus, Edowardus, Eudoardus,
Ned,
Ted
Edwin - Edwine
Elias -
Ellis, Elyas, Helyas
Elier - Helier, Elerus
Elijah -
Elias,
Ellis
Elkanah - Ell cana,
El kana
Ellis - Ellas, Ellys, Elis, Ellice, Ellies,
Elias, Eligius, Ellicius, Elyas, Helyas, eliot, Elyot, Elcock, elisot, Elicot
Emanuel -
Emmanuel ,Emanuell,
Immanuel,
Manuel, Emmanuelus
Emlyn - Aemilius
Emmett - Emott, Emmott,
Emmet
Emrys -
Ambrose
England - Englande
Enoder - Enidor
Erasmus
Esdras -
Ezra
Esme
Ethelbert - Edelbert, Atlebart
Eubold - Ewball, Euball, Eubule, Eball, Eble, Ybel, Ebulo, Eubolo, Eubulus
Eudo - Eudy, Eudye,
Odo,
Udo, Udy, Udey, Udye, Uter, Eudo,
Eudes,
Odo
Euseby, Edsaby,
Eusebius
Evan - Even, Ievan, Jevon,
Iefan,
Ifan,
John
Everett -
Everitt,
Everard
Ewen -
Ewan
Ezekial - Ezechiel, Ezeckial, Ezekiell, Issakhell, Ezekielus
Ezekias - Ezechias, Ezichias, Ezachias, Hezekias
Ezra -
Esdras, Easdrase
Fabian - Fabyan, Fabianus
Faithfull - Faythful
Falk -
Fulk
Felix - Felyx, Felyse
Ferdinando - Fardinando, Ferdinandus
Filbert -
Philbert,
Filibert, fulbert, Filbertus, Fulbertus
Firmin - Firmine, Fyrmyn, Firminus, Ferminus
Francis -
Frances Francys Francisse Frauncis Fraunces Frauncys Fraunsis Franncs
Franciscus Frank Fraunce
Frank - Francke, Fraunk, Francus
Frederick,
Frederic, Ferdericus, Fridericus
Fulbert -
Filbert
Fulk -
Fulke, Foolke, Fowke,
Falk, Fawke, Fawks, Fulco, Folcho, Foulconus, Falcho, Falkasius, Fulchon, Figg, Figgin
Gabriel - Gabriell Gabryell Gabrael Gabrell Gabrele Gabrihell
Galfrid -
Geoffrey, Galfridus
Gamaliel - Gamaliell Gamalyell Gamyliell Gammell
Gareth
Gawain - Gawen, Gawin, Gawyn, Gawayne, Gawn, Gawne, Gaven,
Gavin
Gedian - Jedeon,
Gideon
Gemmel - Gamel
Geoffrey - Geffray Gefry Gefferie Geffrie Geffera Gaffere Galfrid Jefferey Jeaffry
Jeffery Jefry Jeffray Jeffrie Jefferie Jefarie Jaffrey Japharey Iefrey Galfridus Gaulfridus Gaufridus Geofridus Goisfridus Joffridus Geve
Jeff Jeffkin Jeff-cock Giff Giffen
George -
Georg Gorge
Jorge Ieorge Geordge Georgius, Gorgius
Judd
Gerald - Geraldus Geroldus Giraldus
Gerard - Garrard Garred Gerret
Garret Gerardus Girardus Jarardus
German - Jerman Jermyn Germayne Ierman Germanus Iermanus Germanicus
Gerrance - Gerence
Gershom - Gersam Gersyon Gersan Gosum
Gervase - Gervice
Gervais Gerveas Gerveys Gervis Gervys Gervise
Jervis Jervas
Jarvis Jarvish
Gervasius Geruasius
Gilbert - Gilbart Gilberd Gylbert Gylbart Gylbarde Gelbart Gelbarte Gilbertus Gilebertus Gislebertus
Gib Gibbon Gilpin
Goddard - Godard, Godardus
Godfrey - Godfre Godefrey Godefrei Godefridus
Godwin - Godewin
Godwine Goodwin
Goldwin - Gouldwin
Goronwy - Granwa
Gregory - Gregorie Greggory Gregori Gregorye Greagory Grigorey Grigorie Gregry Gregoius Crig Grig
Greg
Griffith -
Griffin Griffeth Gryffen Griffinus Gryffinus Gitto
Guy - Gye Gy Wy Guide Guydo wido Guiot Guyot Guion Wyot Wyon
Habell -
Abel
Hakon - Hacon
Hamlet - Hamlett, Hamelot, Hamelet
Hamnet - Hamonet, Hampnet
Ham -
Hamo,
Hamon, Hamm
Hannibal - Hanniball, Hanyball
Harold - Harrold, Herold, Haraldus, Haroldus, Araldus
Harry - Hary Harye Harrie Harre Hare Herry Herre Herrye
Henry Henricus Hendricus Hericus
Hal Halkin Herriot Hallet
Helier - Hellier Herlier Helerous Elier Helerus
Henry - Henrie Henery Henrye Henerie Heanory Hennary Hendry Hendereye
Harry Henricus Hendricus Hericus Henriot
Hal Halkin
Herbert - Harbert, Harbard, Herbertus
Hercules - Herckulus, Herciles
Herman - Harmin Harman
Armin Hermanus
Hezekiah
Hierome - Hierom Herom
Jerome Hieronimus
Hippolytus - Ipolitus, Ippolitus, Epowlett
Homer - Homerus
Howell - Hoell, Hoel,
Hywel, Hoelus
Hugh - Hew, Hewe, Hewghe, Heug, Heughe, Huchon,
Hugo, Huget, Hugin, Huglin, Hudd, Hewet, Hughelot, Huelot, Hewelet
Humphrey - Humphrie
Humphry Humfrey Humfry Humfrie Humfri Humfre Humfrye Homfrey Humphray Homfray Homfraye Humpherey Omfrey Onfre Umphry Umpphre Umphra Humfridus Hunfridus Humfredus Umfredus Dumphry Dump
Ingram - Ingramaham Ingerame Yngerame Ingramus Ingeramus Ingelramus Engleramus Engeramus
Innocent - Incente
Isaac - Isaake Isaacke Issaake Isack Isake Isek Issach
Izaak Isaakus Isachus Ishacus Hick Hickin Higg Higgin Higgot Hitch Hiscock Hitch-cock Heacock
Ishmael - Ishmaell
Ismael
Israel - Iserel Issarell
Issakhell - Ezechiel Ezeckial Ezekiell Ezekielus
Ezekiel
Jack -
John, Jackin, Jacket, Jackett
Jacob - Jacobe, Jacubb,
Jakob,
Jacobus, Iacobus, Jacomus
Jacques
James - Jamys Jams Jeames Jheames Jemis Iames Ihams Iamys
Jacobus Iacobus Jacomus Jacominus
Jem Jemmy
Jasper -
Jesper,
Gaspar, Jasperus, Gasperus
Jenkin - Jenken, Jenkine
Jeremiah - Ierimiah,
Jeremy, Hieremias,
Jeremias
Jeremy -
Jeremie, Jeromye, Jereme, Jerme, Ieremy,
Jerome, Hieremias,
Jeremias
Jerome - Jerom, Jeram, Gerrom, Ieram, Hierom, Hierome, Herom,
Jeremy, Hieronimus,
Hieronymus, Jeronimus, Geronimus
Jevan - Jecon, Ievan,
Evan John
John - Jhon,
Johan,
Johanne, Iohn,
Joan,
Johannes, Johanes,
Joannes, Iohannes,
Jack Jenning Jenkin John-cock Jack-cock Hankin Hancock
Jonah -
Jonas Jhonas
Jonathan
Joscelin -
Jocelin Josslyn Goscelinus Goselinus Jocusus
Joseph -
Josephe Joshephe Jospethe Josepethe Josephus Joskin
Joshua - Josua
Josiah -
Josias Josyas
Julian -
Julyan Julyane Julianus Juet
Julius
Justinian - Justinianus
Kenelm - Kenelme Kanelm Kenhelme Kenelmus Kenhelmus Kenulmus
Kenneth
Kenrick -
Kendrick Kenricus
Kenward - Kenard
Kester - Cristopher
Lambert - Lambard Landebertus Lambertus Lambin Lambkin Lampkin
Lancelot - Lansselott Lansolet Lanslet Launcelott Launselot Launzelett
Lance Lancelotus Lancilottus
Laurence -
Lawrence Lawrance
Laurens Laurans Lowrens Lorence Larence Laransse
Laurentius Lavrentius Law
Larkin Lay-cock
Leonard -
Lennard Lenerd Lionard Lionhardus Leonhardus Lennardus
Levin - Leofwin
Lewis - Lewys Lewes Looys Ludouicus Lodewicus
Aloysius
Libbeus
Lionel - Lyonel Lyonell Leonellus
Llewelyn -
Llewellyn Lewellin Lewlin Leoline
Lewis Leuelinus Luelinus Aloysisus
Lucius
Luke -
Luce Luck Lucke Luk
Lucas Lucasius Lucock Lukin Luckin
Macy - Mace
Macey Matthew Maceus Macius
Mathias
Madoc -
Madog Madocus Maidocus
Magnus
Malcolm - Malculm Maucolyn Malculinus Malcolinus
Marcellus - Mercellus
Marcus
Marion -
Marianus
Mark - Marke Merk
Markus Marcus Markes Marchus
Marmaduke - Marmaducus
Marthias -
Mathias Matthew
Martin -
Martyn Marteyn Martinus Martel Martlet Martinet
Mathias - Mathyas
Matthew Matthias
Maurice - Mauris Mourice
Morris Mauritius Mauricius Meuricius
Mawe -
Matthew Mathaeus Mauditus
Melchior - Melcher
Melchisadek - Melchisedeck Melchisedec Melchesideck Melchizidec
Meredith -
Maredudd Mereducius Moreducus Moredicus
Methuselah - Mathushelah
Michael - Michaell Mychaell Michell Mykell Mighell Mihill Myghchaell Micaelis Michaelis
Miles - Mils
Myles Myls
Milo Milot
Morris - Moris Mores Morys Moryse Morryse Morrice Mauris Mourice Morysh
Maurice Mauritius Mauricius Meuricius
Moses
Mungo - Minggoe Mungow
Nathan
Nathaniel - Nathannell Nathaneal Natheannel
Nat
Nicholas -
Nicolas Nycholas Nycolas
Nikolas Niccolas
Nicolaus Necolas Nicalas Nickelas Niclas Nyclas Nycles Nichlis Nycklus Nikless Nycholls Micolaus
Nicholas Nick Nicol Nicolin
Nicolet Col
Cole Collet
Colin Colinet
Ninian - Nynian Nynyan Ninyon Ninyinge
Oliver - Olivere Olyver Olver Olyfer Oliuer Oliverus Oliuerus
Noll Nolly
Original
Orlando -
Roland
Osmond -
Osmund
Oswald - Oswall Oswell Oswalkdus Osuualdus
Oswin - Oswyn Oswyne Oswinus
Othniel - Othaniell
Otis - Otes Otys Othes
Otho Otto Otheus Ottie Odinel
Ottiwell - Otewell Otywell Ottywell Ottowell Otwell Othwell
Owen -
Owain Owin Owyne Owinus Oenus Oeneus Audoenus Audoinus
Pagan - Pain Paganus
Pain - Payn Payne Pagan Paganus Paynot Paynet
Pancras - Panctatius
Pascal - Pascoe
Pascoe -
Pasco Pascho Paskow Paskowe Pascow Pascaw Parscho Parschoe Paskin Pashkin
Patrick - Pattrik Patric Patrycke Patternicke Patricius
Paul -
Paule Pawle Powle Pooule Paulus Paulin Paulet Palcock
Percival - Percevall Persivell Percyvell Persifel Pearsivoll Parcevel
Peregrine - Peregrin Peregryne Perigreene Perrigrine Perrygreen Peregrinus
Peter -
Peeter Petur Petyr
Petter Piers Pearce Petrus Perkin Parkin Perrin Perrot Pidcock Peacock
Pethericke -
Patrick
Philemon - Philemonus
Phythian - Phytheon Fithian Vician
Pierre -
Petrus Perrin
Piers - Pyers
Pierce Peares Peeres Pears Pearse Pers
Peter Pero Petrus Perrin
Postumus - Posthumus
Quentin -
Quintin Quityne Quintinus
Radulph -
Ralph Radulfus Radulphus
Ralph -
Ralf Ralfe Raff Raffe
Rafe Raaf Raph Raphe
Rauf Rauffe Rauphe Radulfus Radulphus
Ranald - Ranall
Reynold Reginald Rannulfus Ranulphus
Randal -
Randell Randle Randul Rendull
Ranulf Randulfus Randulphus Rand Rankin
Ranulf - Rannulf Rannulfis Ranulphus
Raphael
Raymond - Raimond Raimundus
Reginald - Reginalde Raginall
Reynold Reginaldus
Renatus
Renfred - Reynfred Renfry Remfry Renfredus Reinfridus
Reynard - Raynarde
Reynold - Renold Renolde Reinold Reynald Reignald Regnold Reighnold Reyghnolde Reynols Ranall
Ranald Reginald Ranall
Ranald Reynoldus Reinaldus Rainaldus Reginaldus
Rhys - Rhees
Rees Rice Rys Ricus Resus Riceus
Richard - Richarde Richerd Richord Ritchard Rycharde Rychord Richaurd Richawrd Rychart Recchard Retcharde Ricord Ricardus
Dick Dickin Diccon Dicket
Rick Ricket Richelot
Robert - Roberte Robarte Robard Robar Robeart Robeard Robord Robertus Robartus
Rob Hob
Hopkin Dob Dobbin Nob
Bob Rob Robin Robelot Hobelot Robinet Dobinet
Roger -
Rodger Rogger Rodgger Rogerus Rogerius Hodge Dodge
Roland -
Rolland Rowlande Rouland Rolandus Rowlandus Rohelendus
Ruben - Rueben
Salathiel - Salathyell Slathiell
Samson - Samsonne Samphson Sansum
Samuel - Samuell Samwell Samewell Samnell Samell
Savery - Savary Savaricus Sauaricus
Sebastian - Sebastyne Sebastianus
Seth - Sethe
Sweall - Sewell Saswallo Sewallus
Sidrack - Sidracke Sidrach Sydrach Sydrak Sidruck
sigismond - Segidmunde
Silas - Slivanus Siluanus Silcock Silkin
Simeon - Simmion
Simon -
Symon Simonde Symonde Symounde Symont
Symon Sim Symme Simkin Symkyn Sinkin simcock
Solomon - Sollomon Sollmon Saloman Salloman
Stephen -
Stephane Steephen
Steve Stevyn Steeven Steaven Stephanus
Stefanus Stevanus Stepkin
Terry - Teyre
Theodoric Terricus Therricus
Theobald - Tibald Tibbald Tebald Tedbalth Tibb Tipkin
Theodore - Theodoure
Theodorus Theodoricus Teodoricus Tedricus
Theophilus - Theoflid Teofle Offylus
Thomas -
Tomas Tammas Thomasius
Tam Tom Thom Tomlin Tomkin Thoma Thomaset Mace
Macey
Thurstan - Turstan Thurstante Trustan Thrystan Turstanus
Timothy - Timothie Timothe Tymothye
Timotheus Tim
Titus
Tobias - Thobias
Toby Tobit
Tobin Tobye Tobey
Tristram - Trystram Trsytrome Trysteram
Uriah
Urin - Urian Uren Uryn Euryn Urion
Urien Uryan
Urias Urianus Ury
Vincent - Vincentius
Vivian -
Vivyan Phytian Phytheon Fithian Vivianus
Vortigern - Wurtigernus Vortigernus
Waldeve - Waldive Waldef Waldevius Waldeuius
Walter - Waltere Water Wauter Wauler Whater
Gualter Gualther Gwalter Gowther Galterus Gualterus Gualterius Gualcherus
Wat Watkin Gwatkin
Warrne - Warin Guarin Warinus Garinus Guarinus Warinot
Wido - Wedo,
Guy, Wy
Wilfred -
Wilfrid Wilfride Villefredus
William - Wylliam Willyam Wyllyam Wellyam Wellem Gulielmus Gullielmus Guglielmus Willelmus Wilhelmus
Will Willot
Wilmot Wilcock Willkin Willin
Gill Gillot Gillotin Gillet
Wistan - Wystane Wigstan
Xpian -
Christian Crispian Xpianus
Xpofer - Xpfer Xtopher Xpopher Xstopher Expofer Xtophorus Xtopherus Xpophorus
Ybel - Eubold
Yngerame -
Ingram
Zachariah - Zacharia Zacharyah Zecharyah
Zachary Zacharias
Zachary - Zacary Sackry Zachararias
Zachye - Zachei Zachey Zakkai Zaccheus