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Jacilyn
How to Pronounce Jacilyn
Pronounced JAS-uh-lin /ˈdʒæs.ə.lɪn/Medium
Meaning: Jacilyn is a respelling of Jacelyn and Jacquelyn, feminine forms of the French Jacques, itself from Jacob or James, meaning 'supplanter' or 'holder of the heel.' The -lyn ending is a modern American touch.Low
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
Jacilyn is a respelling of Jacelyn and Jacquelyn, the -lyn family of feminine forms of Jacques, from Jacob and James. As -lyn spellings bloomed in late-twentieth-century American naming, Jacelyn gained many variants, and Jacilyn is one. It first appears in United States birth records around 1974 and touched a small high around 1984.
It was never common, given to only a couple dozen girls a year even at its peak, though the wider Jacelyn family kept it in use into the 2020s. A Jacilyn from that high would be in her forties now.
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Frequently Asked
What does the name Jacilyn mean?
It is a respelling of Jacelyn and Jacquelyn, feminine forms of Jacques, from Jacob or James.
How do you pronounce Jacilyn?
It's said JAS-uh-lin /ˈdʒæs.ə.lɪn/, three syllables with the stress at the front.
Is Jacilyn a boy or girl name?
Jacilyn is used as a girl's name.
How popular is Jacilyn?
It has always been rare, given to only a couple dozen girls a year at its peak in the mid nineteen-eighties.