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Home › Baby Names Directory › Tathan

Tathan

♂ Boy

Pronounced TATH-un /ˈtæθ.ən/Medium

Meaning: Tathan (also Tatheus) is the name of an early Welsh saint honoured in Monmouthshire, where St Athan bears his name. As a modern given name it may equally be a fresh coinage on the -than pattern; routes uncertain, which we note.Low

In 30 seconds: A Welsh saint's name: Tathan is honoured in Monmouthshire (said 'TATH-un'). It may also be a modern coinage — routes uncertain.
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Origin LowWelsh
MeaningTathan (also Tatheus) is the name of an early Welsh saint honoured in Monmouthshire, where St Athan bears his name. As a modern given name it may equally be a fresh coinage on the -than pattern; routes uncertain, which we note.
U.S. rank (2024)#13969 ↘ Falling
2024 U.S. births5 boys (0.00% of U.S. boys)
Peak year2013
Total births (all-time)≈ 16

Popularity in the U.S. · SSA data

peak 201320132024

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

Tathan — also written Tatheus — belonged to an early Welsh saint venerated in Monmouthshire, where church dedications still carry his name. As a given name today it may honour that saint, or it may be a fresh formation on the -than pattern that gives Nathan and Ethan. Routes are uncertain, which we note. Old, quiet, and unusual (said 'TATH-un').

It appears only rarely for boys in the U.S. Rare, Welsh, and antique.

Did you know? Saint Tathan was an early Welsh holy man remembered in Monmouthshire, where the village of St Athan carries his name. Modern parents may reach the same spelling by a different road, so routes are uncertain, which we note (said 'TATH-un').
Overall data confidence 36%
References — Tathan — Welsh saint Tathan/Tatheus; possible modern coinage; routes uncertain

Variations

TatheusTathal

Nicknames

TathTat

Famous Bearers

  • Famous bearers coming soon.

If you like Tathan…

Nathan— the closest familiar name in sound
Ethan— a like -than boys' name
Rhydian— a like Welsh saint-flavoured pick
Tegan— echoes that soft -an sound
Taran— lands in the same popularity range

Explore names like Tathan

By themeuncertainrarewelshsaint
By meaningGift / BlessingHonor

All themes →All meanings →All origins →

Frequently Asked

What does the name Tathan mean?

Tathan is the name of an early Welsh saint honoured in Monmouthshire. As a modern name it may also be a fresh coinage; routes are uncertain, which we note.

How do you pronounce Tathan?

It's said TATH-un /ˈtæθ.ən/ — two syllables, stress on the first.

Is Tathan a boy or girl name?

Tathan is a boy's name.

How popular is Tathan?

Tathan is a rare name for boys in the U.S.

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