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Fallyn
Pronounced FAL-in /ˈfæl.ɪn/High
Meaning: Feminine respelling of Fallon, from the Irish surname Ó Fallamhain, usually traced to a word for 'leader' or 'ruler'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
Fallyn is a modern spelling of Fallon, the anglicized Irish surname Ó Fallamhain, generally derived from follamhan, 'leader' or 'ruler'. The surname became a girls' first name in 1980s America almost entirely through Dynasty's Fallon Carrington, one of television's defining rich-girl roles.
The -yn respelling arrived later, matching the fashion that turned Caitlin into Kaitlyn. Fallyn remains rare, sounding at once Irish, autumnal — listeners often hear 'fallen leaves' — and distinctly prime-time.
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Frequently Asked
What does the name Fallyn mean?
Fallyn is a feminine respelling of Fallon, from the Irish surname Ó Fallamhain, usually traced to a word meaning 'leader'.
How do you pronounce Fallyn?
It's said FAL-in /ˈfæl.ɪn/ — two syllables, stress on the first.
Is Fallyn a boy or girl name?
Fallyn is a girl's name.
How popular is Fallyn?
Fallyn is a rare name in the U.S.; Fallon is the more familiar form.