53rd most popular male first name in the United States; frequency is 0.315%; percentile is 48.102
Jack is a variant of John which is Hebrew for "God is Gracious" or "supplanter". In English, this name is also based on John or Jacques and means "God has been gracious" or "has shown favor".
Masculine variants of Jack are: Jackie, Jackson, Jacky
Feminine variants of Jack are: Jacki, Jackleen, Jacklynn, Jaxine