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HomeBaby Names DirectoryKaisyn

Kaisyn

♀ Girl

Pronounced KAY-sin /ˈkeɪ.sɪn/Medium

Meaning: A respelling of Kayson or Cason, modern American coinages built on the -son ending. These names are usually given to boys, and we note that lean honestly; the -syn spelling here signals the girls' use.Low

In 30 seconds: A respelling of Kayson or Cason (said 'KAY-sin'). These are usually boys' names — we note the lean honestly.
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Origin LowAmerican
MeaningA respelling of Kayson or Cason, modern American coinages built on the -son ending. These names are usually given to boys, and we note that lean honestly; the -syn spelling here signals the girls' use.
U.S. rank (2024)#16351 ↘ Falling
2024 U.S. births5 girls (0.00% of U.S. girls)
Peak year2022
Total births (all-time)≈ 223

Popularity in the U.S. · SSA data

peak 202220092024

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

Kaisyn respells Kayson and Cason, names that appeared in American use only in recent decades and have run heavily to boys. The -syn ending is the standard modern signal for a girls' version of a boy-leaning name. There is no older root behind any of them, and the routes are uncertain, which we note (said 'KAY-sin').

For girls it appears only rarely in the U.S., against heavier boys' use. Rare, modern, and crisp.

Did you know? Kayson and Cason are modern coinages built on the -son pattern, and both are given overwhelmingly to boys. Kaisyn is the -syn spelling that marks girls' use, and we flag that lean rather than glide past it.
Overall data confidence 30%
References — Kaisyn — Respelling of Kayson/Cason; boy-leaning; routes uncertain

Variations

KaysonCasonKaysyn

Nicknames

KaiKaySyn

Famous Bearers

  • Famous bearers coming soon.

If you like Kaisyn…

Kaylin— a like Kay- opening for girls
Jaycee— a like modern coinage
Peyton— a like unisex -on name
Emerson— a like boy-leaning name used for girls

Explore names like Kaisyn

All themes →All meanings →All origins →

Frequently Asked

What does the name Kaisyn mean?

Kaisyn respells Kayson or Cason, modern coinages with no older documented meaning. Routes are uncertain, which we note.

How do you pronounce Kaisyn?

It's said KAY-sin /ˈkeɪ.sɪn/ — two syllables, stress on the first.

Is Kaisyn a boy or girl name?

Kayson and Cason are usually boys' names; Kaisyn is the girls' spelling, and we note that lean honestly.

How popular is Kaisyn?

Kaisyn is a very rare name for girls in the U.S.

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