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Home › Baby Names Directory › Osian

Osian

♂ Boy

Pronounced OSH-un /ˈɑʃ.ən/Medium

Meaning: A Welsh form of Ossian/Oisin — from the Gaelic os, 'a deer/fawn', hence 'a little deer; a young fawn'; a legendary Irish poet-warriorLow

In 30 seconds: A little deer; a young fawn: Osian is Welsh. Lyrical, classic, and warm (said 'OSH-un'). We note the legend.
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Origin LowWelsh, Gaelic
MeaningA Welsh form of Ossian/Oisin — from the Gaelic os, 'a deer/fawn', hence 'a little deer; a young fawn'; a legendary Irish poet-warrior
U.S. rank (2025)#8736 ↗ Rising
2025 U.S. births9 boys (0.00% of U.S. boys)
Peak year2017
Total births (all-time)≈ 50

Popularity in the U.S. · SSA data

peak 202520172025

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

Osian is a Welsh form of Ossian/Oisin — from the Gaelic os, 'a deer/fawn', hence 'a little deer; a young fawn'; a legendary Irish poet-warrior. A lyrical, classic name (said 'OSH-un').

In the U.S. it appears in Welsh-heritage families. Rare, a-little-deer at the root, and lyrical.

Did you know? Oisin (Osian) means 'a little deer; a young fawn' in Gaelic — the legendary Irish poet-warrior — a lyrical, storied Welsh name (said 'OSH-un').
Overall data confidence 38%
References — Osian — Welsh form of Oisin

Variations

OssianOisinOsyan

Nicknames

Osi

Famous Bearers

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If you like Osian…

Oisin— the Gaelic source name
Ossian— a kin form
Rhys— a fellow Welsh boys' name
Dylan— a companion Welsh boys' name

Explore names like Osian

By thememythologywelshgaelic

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Frequently Asked

What does the name Osian mean?

Osian is a Welsh form of Ossian/Oisin — Gaelic 'a little deer; a young fawn'; a legendary Irish poet-warrior.

How do you pronounce Osian?

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

Is Osian a boy or girl name?

Osian is a boy's name.

How popular is Osian?

Osian is a very rare name in the U.S.

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