Apart from royalty, this name was only moderately popular in France during the Middle Ages. After the French Revolution, when Louis XVI was guillotined, it became less common.
The Normans brought the name to England, where it was usually spelled Lewis, though the spelling Louis has been more common in America. Famous bearers include French scientist Louis Pasteur (1822-1895), French actor Louis de Funès (1914-1983), Scottish author Robert Louis Stevenson (1850-1894), who wrote Treasure Island and Dr Jekyll and Mr Hyde, and American jazz musician Louis Armstrong (1901-1971).
In the United States this form was more popular than the full form Elizabeth from 1958 to 1978, and was in fact the top ranked American name between 1962 and 1969.
As an English Christian name, Levi came into use after the Protestant Reformation.
In some cases this name can be a short form of longer names that start with Leo, such as Leonard.
In the Middle Ages this name was common in England, partly because of a second saint by this name, a 7th-century archbishop of Canterbury. Likewise it has been common in Ireland due to the 12th-century Saint Laurence O'Toole (whose real name was Lorcán). Since the 19th century the spelling Lawrence has been more common, especially in America. A famous bearer was the British actor Laurence Olivier (1907-1989).
The name was borne by a semi-legendary 4th-century saint and martyr from Alexandria who was tortured on a spiked wheel. The saint was initially venerated in Syria, and returning crusaders introduced the name to Western Europe. It has been common in England since the 12th century in many different spellings, with Katherine and Catherine becoming standard in the later Middle Ages. To this day both spellings are regularly used in the English-speaking world. In the United States the spelling Katherine has been more popular since 1973.
Famous bearers of the name include Catherine of Siena, a 14th-century mystic, and Catherine de' Medici, a 16th-century French queen. It was also borne by three of Henry VIII's wives, including Katherine of Aragon, and by two empresses of Russia, including Catherine the Great.
In the Middle Ages, Joseph was a common Jewish name, being less frequent among Christians. In the late Middle Ages Saint Joseph became more highly revered, and the name became popular in Spain and Italy. In England it became common after the Protestant Reformation. In the United States it has stayed within the top 25 names for boys since 1880, making it one of the most enduringly popular names of this era.
This name was borne by rulers of the Holy Roman Empire and Portugal. Other notable bearers include Austrian composer Joseph Haydn (1732-1809), the founder of Mormonism Joseph Smith (1805-1844), Polish-British author Joseph Conrad (1857-1924) and Soviet dictator Joseph Stalin (1878-1953).
As an English name, Jonathan did not become common until after the Protestant Reformation. A famous bearer was the Anglo-Irish satirist Jonathan Swift (1667-1745), who wrote Gulliver's Travels and other works.
This name was initially more common among Eastern Christians in the Byzantine Empire, but it flourished in Western Europe after the First Crusade. In England it became extremely popular, typically being the most common male name from the 13th to the 20th century (but sometimes outpaced by William). During the later Middle Ages it was given to approximately a fifth of all English boys. In the United States it was the most common name for boys until 1923.
The name (in various spellings) has been borne by 21 popes and eight Byzantine emperors, as well as rulers of England, France, Sweden, Denmark, Poland, Portugal, Bulgaria, Russia and Hungary. It was also borne by the poet John Milton (1608-1674), philosopher John Locke (1632-1704), American founding father and president John Adams (1735-1826), and poet John Keats (1795-1821). Famous bearers of the 20th century include author John Steinbeck (1902-1968), assassinated American president John F. Kennedy (1917-1963), and musician John Lennon (1940-1980).
The forms Ian (Scottish), Sean (Irish) and Evan (Welsh) have also been frequently used in the English-speaking world, as has the medieval diminutive Jack.
This name (in various spellings) has been common among European royalty, being borne by ruling queens of Naples, Navarre and Castile. Another famous bearer was Joan of Arc, a patron saint of France (where she is known as Jeanne d'Arc). She was a 15th-century peasant girl who, after claiming she heard messages from God, was given leadership of the French army. She defeated the English in the battle of Orléans but was eventually captured and burned at the stake.
Other notable bearers include the actress Joan Crawford (1904-1977) and the comedian Joan Rivers (1933-2014), both Americans.
In England, though the vernacular form Jeremy had been occasionally used since the 13th century, the form Jeremiah was not common until after the Protestant Reformation.
Famous bearers include the American actresses Jennifer Aniston (1969-), Jennifer Garner (1972-) and Jennifer Lawrence (1990-), as well as the singer/actress Jennifer Lopez (1969-).
This name also appears in the New Testament, belonging to man who sheltered Paul and Silas. In his case, it may represent a Hellenized form of a Hebrew name. It was not used in England until after the Protestant Reformation.
This name has been used in England since the 13th century, though it became more common in Scotland where it was borne by several kings. In the 17th century the Scottish king James VI inherited the English throne, becoming the first ruler of all Britain, and the name grew much more popular. In American name statistics (recorded since 1880) this name has never been out of the top 20, making it arguably the era's most consistently popular name. It was the top ranked name for boys in the United States from 1940 to 1952.
Famous bearers include the English explorer James Cook (1728-1779), the Scottish inventor James Watt (1736-1819), and the Irish novelist and poet James Joyce (1882-1941). This name has also been borne by six American presidents. A notable fictional bearer is the British spy James Bond, created by author Ian Fleming in 1953.
American writers Jack London (1876-1916) and Jack Kerouac (1922-1969) were two famous bearers of this name. It is also borne by the actor Jack Nicholson (1937-) and the golfer Jack Nicklaus (1940-). Apart from Nicklaus, none of these famous bearers were given the name Jack at birth.
In the United Kingdom this form has been bestowed more frequently than John since the 1990s, being the most popular name for boys from 1996 to 2008.
In the United States this form was much less common than Isabel until the early 1990s, when it began rapidly rising in popularity. It reached a peak in 2009 and 2010, when it was the most popular name for girls in America, an astounding rise over only 20 years.
A famous bearer is the Italian actress Isabella Rossellini (1952-).