Knox is a primarily masculine given name, a transferred use of a Scottish surname and place name from the Scots Gaelic "cnoc" or Old English cnocc, referring to a small hill with a round top.
[1] [2] [3] The name increased in usage after Brad Pitt and Angelina Jolie used it for their son in 2008.
Variants of the name that add the modern suffix ley such as Knoxley are also in use for both boys and girls in the United States.
[5] Knoxlee, Knoxleigh, and Knoxli, adding the fashionable modern American lee or leigh or li suffix and sound pattern, are also in use in the United States for girls.
[7] Also in use for American boys are elaborations such as Knoxson and Knoxton and Knoxtyn.