As a Christian name, Samuel came into common use after the Protestant Reformation. It has been consistently popular in the English-speaking world, ranking yearly in the top 100 names in the United States (as recorded since 1880) and performing similarly well in the United Kingdom.
Famous bearers include English poet Samuel Taylor Coleridge (1772-1834), American inventor Samuel Morse (1791-1872), Irish writer Samuel Beckett (1906-1989), and American actor Samuel L. Jackson (1948-). This was also the real name, Samuel Clemens, of the American author Mark Twain (1835-1910).
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.
Heinrich was popular among continental royalty, being the name of seven German kings, starting with the 10th-century Henry I the Fowler (the first of the Saxon kings), and four French kings. In France it was usually rendered Henri from the Latin form Henricus.
The Normans introduced the French form to England, and it was subsequently used by eight kings, ending with the infamous Henry VIII in the 16th century. During the later Middle Ages it was fairly popular, and was generally rendered as Harry or Herry in English pronunciation. Notable bearers include arctic naval explorer Henry Hudson (1570-1611), American-British novelist Henry James (1843-1916), American automobile manufacturer Henry Ford (1863-1947), and American actor Henry Fonda (1905-1982).
This name was borne by the heroine of Lewis Carroll's novels Alice's Adventures in Wonderland (1865) and Through the Looking Glass (1871).