For this round, I used surnames from the Most Common Surnames in the United States 1990 list, which you can find here
https://surnames.behindthename.com/top/lists/united-states/1990. I used first 55 surnames from the list.
Round 1:
http://www.behindthename.com/bb/game/4793684Round 2:
http://www.behindthename.com/bb/game/4795499Round 3:
https://www.behindthename.com/bb/game/4798670
----------------
DH: Frank, Francis, Franklin, Francisco, Frances, Franklyn, Frankie / Carl, Carlton, Carlos, Carmine, Carlo, Carrol, Carlyle (LN: Smith, Johnson, Williams, Jones, Brown)
DW: Mary, Marjorie, Marian, Marietta, Marcia, Margarett, Marcelle / Evelyn, Eva, Evangeline, Eve, Evie, Evaline, Evelena (MN: Davis, Miller, Wilson, Moore, Taylor)
-DS: Clinton, Preston, Anton, Felton, Dalton, Hamilton, Weston / Wesley, Riley, Bradley, Manley, Oakley, Chesley, Lesley
-DS: Jack, Frederick, Patrick, Nick, Dick, Domenick, Roderick / Emanuel, Noel, Maxwell, Lionel, Miguel, Angel, Axel
-DS/DD: Stephen, Steve, Steven, Stewart, Sterling, Stephan / Edward, Edwin, Edgar, Ed, Edmund, Edison, Eddy // Georgia, Georgie, George, Georgiana, Georgianna, Georgina / Louise, Lou, Louella, Louisa, Louie, Louvenia
-DD: Audrey, Augusta, Aurelia, Aurora, Audra, Audie, Augustine / Rose, Violet, Daisy, Lily, Iris, Pansy
-DD: Dorothy, Doris, Dora, Dorothea, Dorotha, Dorcas, Doretha / Wanda, Amanda, Linda, Lucinda, Malinda, Yolanda, Manda
-DD: Florence, Alberta, Geneva, Victoria, Adelaide, Odessa, Verona / Priscilla, Willa, Camilla, Arvilla, Lilla, Drusilla, Rilla
**********
DS:
DW: Jane, Janie, Janet, Jannie, Janice, Janette / Thelma, Theresa, Therese, Theodora, Theo, Theola (MN: Anderson, Thomas, Jackson, White, Harris)
-DS: Raymond, Roland, Leland, Ferdinand, Armand, Sigmund, Richmond / Howard, Homer, Horace, Hollis, Hoyt, Hosea, Hoke
-DD: Katherine, Katie, Kathleen, Kate, Katharine, Kattie, Kathryne / Eunice, Eula, Eugenia, Eulalia, Eugenie, Euna, Eura
-DD: Rosie, Rosella, Rosia, Rosalind, Rosemarie, Roslyn, Rosalia / Elva, Neva, Reva, Ava, Velva, Ova, Veva
-DS: Albert, Herbert, Gilbert, Elbert, Delbert, Norbert, Adelbert / Clarence, Wallace, Laurence, Bruce, Boyce, Price, Prentice
**********
DS:
DW: Virginia, Eugenia, Antonia, Luvenia, Lavinia, Stephania, Sonia / Juanita, Anita, Rita, Margarita, Nita, Bonita, Angelita (MN: Martin, Thompson, Garcia, Martinez, Robinson)
-DS: Benjamin, Ben, Benny, Benedict, Benito, Bennett, Benton / Gail, Gaston, Gaetano, Gary, Garner, Galen, Garnet
-DS: Antonio, Mario, Emilio, Ignacio, Gregorio, Julio, Hilario / Homer, Virgil, Napoleon, Columbus, Dante, Titus, Cicero
-DD: Nora, Lenora, Lora, Zora, Thora, Elenora, Izora / Lucille, Lucy, Lucile, Lucinda, Lucia, Lucie, Lucretia
DCat: Dovie, Easter, Pinkie, Marvel, Tiny, Fairy, Golden
**********
DS:
DW: Julia, Celia, Cecilia, Ophelia, Adelia, Amalia, Odelia / Jennie, Winnie, Linnie, Tennie, Glennie, Vonnie, Gennie (MN: Clark, Rodriguez, Lewis, Lee, Walker)
-DD: Alma, Velma, Wilma, Selma, Zelma, Hilma, Palma / Myrtle, Myra, Myrtis, Myrtie, Myrtice, Myrna, Myrle
-DD: Letha, Retha, Albertha, Birtha, Aletha, Hertha, Gertha / Florence, Flora, Flossie, Florine, Flo, Florrie, Florene
-DS: James, Charles, Moses, Miles, Ulysses, Andres, Hayes / Clifford, Buford, Sanford, Milford, Crawford, Stanford, Alford
-DD: Sarah, Hannah, Leah, Savannah, Deborah, Beaulah, Adah / Ruby, Pearl, Opal, Beryl, Garnet, Crystal, Amber
-DS: Thomas, Nicholas, Douglas, Silas, Elias, Chas, Jonas / Roosevelt, Grant, Monroe, Taft, Lincoln, Taylor, McKinley
DDog: Buddy, Early, Loyal, Green, Ransom, Son, Brown
**********
DD:
DH: Roy, Rocco, Romeo, Roberto, Rogers, Rolland, Rollie / William, Will, Willard, Willis, Wilburn, Wilton, Williams (LN: Hall, Allen, Young, Hernandez, King)
-DD: Clara, Claire, Clarice, Clare, Clarissa, Clarabelle / Ruth, Edith, Elisabeth, Judith, Beth, Faith, Meredith
-DD: Emma, Emily, Emmie, Emilia, Emmer, Emelia, Emogene / Mathilda, Zelda, Golda, Hulda, Velda, Gilda, Nelda
-DD: Henrietta, Lauretta, Yetta, Coletta, Izetta, Zetta, Arietta / Bessie, Jessie, Essie, Tessie, Ossie, Hassie, Lassie
-DD: Lillian, Lillie, Lila, Lilly, Lilyan, Lilian, Lilie / Nona, Iona, Mona, Ramona, Winona, Zona, Dona
-DD: Hazel, Myrtle, Olive, Fern, Magnolia, Ivy, Clementine / Cora, Cornelia, Corinne, Cordelia, Corrie, Cordie, Corean
**********
DD:
DW: Isabella, Carmella, Bella, Novella, Nella, Mozella, Vella / Jeannette, Bernadette, Harriette, Juliette, Margarette, Antonette, Violette (LN: Wright, Lopez, Hill, Scott, Green)
-ADS: Grady, Andy, Sandy, Hardy, Rudy, Teddy, Brady / Walter, Chester, Carter, Hunter, Vester, Dexter, Silvester
-ADD: Lena, Rena, Dena, Vena, Tena, Zena / Alice, Alpha, Albina, Alicia, Alvera, Almeta, Alba
-ADS: Dennis, Odis, Norris, Luis, Chris, Farris, Regis / Norman, Sherman, Hyman, Freeman, Coleman, Truman, Wayman
**********
DD:
ExDH: Jose, Johnie, Joel, Josh, Jonathan, Jonas, Jordan / Richard, Millard, Maynard, Gerard, Lenard, Hayward, Durward (LN: Adams, Baker, Gonzalez, Nelson, Carter)
-DS: Harry, Harold, Harvey, Harrison, Harley, Harlan, Harmon / Cleveland, Austin, Dallas, Houston, Orlando, Washington, Denver
-DD: Anna, Annie, Anne, Annabell, Annis, Annetta, Anner / Virginia, Georgia, Carolina, Florida, Missouri, Nevada, Dallas
DH: Melvin, Marvin, Alvin, Calvin, Irvin, Ervin, Mervin / Earl, King, Noble, Royal, Prince, Duke (LN: Mitchell, Perez, Roberts, Turner, Phillips)
-StepDD: Jimmie, Tommie, Emmie, Clemmie, Sammie, Mammie / Della, Delma, Delphia, Delilah, Delta, Delfina, Deloris
-DS: Gus, Gustave, Gustav, Gussie, Gust, Guss / Everett, Emmett, Bennett, Garrett, Garnett, Burnett
**********
DD:
ExDH: Rufus, Jesus, Thaddeus, Adolphus, Cletus, Angus, Marcellus / Major, General, Smith, Miller, Author, Lawyer, Bishop (LN: Campbell, Parker, Evans, Edwards, Collins)
-DD: Leona, Leola, Leota, Leora, Leone, Leonora, Leonor / Christine, Clementine, Celestine, Earnestine, Justine, Augustine, Albertine
-DS: Jerry, Perry, Larry, Terry, Berry, Murry, Barry / Anderson, Emerson, Jackson, Judson, Jefferson, Watson, Jason
-DS: Elijah, Elwood, Elmo, Elmore, Eldred, Elliot, Elroy / Sidney, Barney, Sydney, Rodney, Johney, Courtney
DH: Orval, Ora, Orlando, Oren, Orrin, Orie, Oris / Elmer, Homer, Wilmer, Omer, Palmer, Casimer, Delmer (LN: Stewart, Sanchez, Morris, Rogers, Reed)
-StepDD: Adeline, Angeline, Aline, Jacqueline, Madaline, Pearline, Lurline / Mattie, Hattie, Lettie, Mittie, Jettie, Ottie, Ettie
_______________________________________
http://www.behindthename.com/pnl/107409