Gender: Mostly Boy
Meaning: Vigilant, watchful, brave in battle
Origin: Irish Gaelic
Popularity: Ranked #310 in 2024 with 1,096 babies born.
History: Casey is an anglicization of the Irish 'Ó Cathasaigh,' meaning descendant of Cathsach, which relates to vigilance or wakefulness. It became popular in the United States through folk hero Casey Jones and is used for both boys and girls.
Name length: 5 letters
How common is Casey? About 1 in 2,499 babies born in 2024 were named Casey, or roughly 3.6 per day in the United States.
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