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Keiran
Pronounced KEER-ən /ˈkɪr.ən/High
Meaning: -ei- spelling of Kieran — from Irish Ciaran, 'little dark one; black-haired' (from ciar, 'black, dark')Medium
Popularity in the U.S. · SSA data
U.S. births per year (Social Security Administration, 1880–present). Pink marker = peak year.
SSA data updated May 2026. How we source & verify this data.
History & Origin
Keiran is an -ei- spelling of Kieran — from the Irish Ciaran, 'little dark one; black-haired' (from ciar, 'black, dark'; St Ciaran, a founder of Irish monasticism). A crisp, soft, classic Irish name; the -ei- styling personalizes it.
It registers thinly beside Kieran. Rare, little-dark-one at the root, and soft.
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Frequently Asked
What does the name Keiran mean?
Keiran spells Kieran — Irish 'little dark one; black-haired'.
How do you pronounce Keiran?
It's said KEER-ən /ˈkɪr.ən/ — two syllables, stress on the first.
Is Keiran a boy or girl name?
Keiran is a boy's name.
How popular is Keiran?
Keiran is a rare spelling in the U.S.; Kieran is more common.