Recent in Baby
When Baby Resists SolidsWhen Baby Resists SolidsBaby Biting TipsBaby Biting Tips5 Tips To Help Prevent Highchair Injuries5 Tips To Help Prevent Highchair InjuriesWhen Baby and Pet MeetWhen Baby and Pet MeetTreatments for ColicTreatments for ColicBaby Milestones – The First YearBaby Milestones – The First YearTips for Relieving Teething PainTips for Relieving Teething PainBenefits of Making Your Own Baby FoodBenefits of Making Your Own Baby Food

Home › Baby Names Directory › Tamsyn

Tamsyn

♀ Girl

Pronounced TAM-zin /ˈtæm.zɪn/Low

Meaning: Tamsyn is a Cornish spelling of Tamsin, a contraction of Thomasina, the feminine of Thomas. Thomas comes from the Aramaic te'oma, 'twin,' so Tamsyn carries that meaning through a distinctly West-Country English tradition.Low

In 30 seconds: Tamsyn is a girl's name, a Cornish form of Tamsin from Thomasina, meaning 'twin.' It appears in United States records around the twenty-tens (said TAM-zin).
💕 Browse more names
Origin MediumCornish
MeaningTamsyn is a Cornish spelling of Tamsin, a contraction of Thomasina, the feminine of Thomas. Thomas comes from the Aramaic te'oma, 'twin,' so Tamsyn carries that meaning through a distinctly West-Country English tradition.
U.S. rank (2024)#17369 ↘ Falling
2024 U.S. births5 girls (0.00% of U.S. girls)
Peak year2016
Total births (all-time)≈ 180

Popularity in the U.S. · SSA data

peak 201919762024

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

Tamsyn is a Cornish spelling of Tamsin, which contracts Thomasina, the feminine of Thomas, from the Aramaic te'oma, 'twin.' Traditional in Cornwall for centuries, it has spread more recently to American families drawn to its heritage and its soft sound.

In United States records it stayed rare, given to only about fifteen girls a year at its peak around 2016 as parents looked to distinctive British names. A girl named Tamsyn then is still a child today.

Did you know? Tamsin and Tamsyn are among the most characteristically Cornish of girls' names, long favored in that corner of England before drawing wider attention.
Overall data confidence 40%
References - Tamsyn — Cornish form of Tamsin; contraction of Thomasina; Aramaic te'oma 'twin'; handled accurately.

Variations

TamsinTamzinThomasinaTamsen

Nicknames

TamTammySinny

Famous Bearers

  • Famous bearers coming soon.

If you like Tamsyn…

Tamsin— the standard spelling of the same name
Tamzin— a z-spelling variant
Thomasina— the full parent name
Tamara— a like name of the same soft Tam- sound

Explore names like Tamsyn

By themerareenglishheritagecornish

All themes →All meanings →All origins →

Frequently Asked

What does the name Tamsyn mean?

It is a Cornish form of Tamsin and Thomasina, feminine of Thomas, meaning 'twin,' from the Aramaic te'oma.

How do you pronounce Tamsyn?

It is said TAM-zin /ˈtæm.zɪn/ - two syllables, stress on the first.

Is Tamsyn a boy or girl name?

Tamsyn is used as a girl's name.

How popular is Tamsyn?

It has always been rare in the United States, given to only about fifteen girls a year at its peak in the twenty-tens.

💬 Ask Nia