Casey is a boy's name of Irish and Celtic origin meaning “vigilant.” In 2024 it was given to 1,096 boys in the United States.
Casey belongs to the Irish & Celtic tradition. Its meaning — “vigilant” — is the sense carried by its Irish and Celtic roots, and it is the meaning we verified against published sources for this page.
In the United States, Casey first appears in Social Security records in 1888. It climbed to its best-ever rank of #80 in 1987, and in 2024 1,096 babies received the name — 115,589 in total since 1880. Those are the official counts, not estimates.
More names from the Irish & Celtic shelf:
Casey means “vigilant” in its Irish and Celtic roots. We check every meaning against published sources before it appears here.
Casey is a boy name. In 2024, 1,096 babies received the name in the US.
Casey comes from the Irish & Celtic tradition.
Casey first appears in US records in 1888. Its best-ever ranking was #80 in 1987, and 1,096 babies were given the name in 2024.
Casey is pronounced /ˈkeɪsi/ (IPA).
Meaning and origin for this page were checked against this source. US popularity figures are from the Social Security Administration's public baby-names data. If you spot an error, write to [email protected] — accuracy is the whole point of this site, and corrections are made fast.
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