The name Jack is a boy's name of English origin meaning "God is gracious".
Jack is a derivative of John that originated in medieval England. The name went from John to Johnkin to Jankin to Jackin to Jack. The name was so common in the Middle Ages that Jack became a generic term for a man.
Jack was, until 2011 when he was unseated by Oliver, for years the Number 1
boy name in England and is widely used in America as well, having returned to the Top 100 in 1996 and ranking as one of the most popular
boy names starting with J. Jack is a durable, cheery everyman form of John, and has been chosen for their sons by dozens of celebs, such as Luke Perry, Meg Ryan and Kirk Cameron.
Jack is familiar to all from earliest childhood via Jack and Jill, Jack Sprat, Jack and the Beanstalk and Little Jack Horner et al. It is still a recent favorite for novel, TV and movie characters, including "24" 's Jack Bauer, "Lost" 's Jack Shepard and "30 Rock" 's Jack Donaghy. Dads especially seem to like Jack.
Jack has been a top name across the English-speaking world, for well over a decade, and is currently still a highly popular name in Scotland and Ireland.
The jaunty Scottish version is Jock.
# 19 in the US
Jack Rank in US Top 1000
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Jack Popularity