Kajsa

♀ Girl

Pronounced KY-sah /ˈkaɪ.sə/Medium

Meaning: A Swedish pet form of Katarina/Katherine, from the Greek Aikaterine, traditionally 'pure.' The j is pronounced like a y. A crisp Nordic classic.Low

In 30 seconds: A crisp Nordic classic: Kajsa is a Swedish form of Katherine — 'pure' (said 'KY-sah'). Fresh and rooted.

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Origin MediumSwedish, Greek

MeaningA Swedish pet form of Katarina/Katherine, from the Greek Aikaterine, traditionally 'pure.' The j is pronounced like a y. A crisp Nordic classic.

U.S. rank (2025)#16039 ↘ Falling

2025 U.S. births5 girls (0.00% of U.S. girls)

Peak year2010

Total births (all-time)≈ 406

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

Kajsa is a Swedish diminutive of Katarina/Katherine, from the Greek Aikaterine, 'pure.' The j-as-y spelling is Scandinavian; it reads fresh yet rooted — rare in the U.S. (said 'KY-sah').

It appears only rarely in the U.S., common in Sweden. Rare, crisp, and classic.

Did you know? Kajsa is a beloved Swedish pet form of Katherine, from the Greek for 'pure' — where the j sounds like a y, giving 'KY-sah.' A crisp, classic Nordic name.

Overall data confidence 52%

References — Kajsa — Swedish form of Katherine; 'pure'

Variations

KaisaKatjaKatarina

Nicknames

KajKatie

Famous Bearers

Famous bearers coming soon.

If you like Kajsa…

Katarina— the fuller Nordic form

Katja— a like Katherine short form

Sanna— a like crisp Nordic name

Freja— a like Swedish j-spelled name

Explore names like Kajsa

By themeclassic short swedish nordic

All themes →All meanings →All origins →

Frequently Asked

What does the name Kajsa mean?

Kajsa is a Swedish form of Katherine, from the Greek for 'pure.'

How do you pronounce Kajsa?

It's said KY-sah /ˈkaɪ.sə/ — two syllables, stress on the first; the j sounds like a y.

Is Kajsa a boy or girl name?

Kajsa is a girl's name.

How popular is Kajsa?

Kajsa is a rare name in the U.S. and common in Sweden.