Oisin

little deer — Associated with a hero who was the son of the warrior Fionn mac Cu
Ireland origin · Boy name
97% boys3% girls
#4660US 2025
22Births / yr
Falling
433All-time births
📅 Since 199100
How to pronounce Oisin
OY·SIN
/ˈɔɪ.ˈsɪn/ · stress on OY · 2 syllables
little deer
Associated with a hero who was the son of the warrior Fionn mac Cu · Ireland origin

What does Oisin mean and where does it come from?

Oisin (Irish: Oisín) is a name of legendary significance in Irish mythology, associated with a hero who was the son of the warrior Fionn mac Cumhail. The name conveys themes of nature and grace due to its meaning 'little deer'. Oisin has been used historically in Ireland and remains popular in moder

Cultural significance
Oisin has been a cherished name across cultures, particularly in Ireland-speaking communities, where it reflects values of little deer.
Peak popularity
Reached #3508 in 2020 — currently #4660 in the US.
🌿
Related Reading
Ireland-origin baby names with timeless appeal
Browse names →

How else can you spell Oisin?

Same sound, different look — useful if you want something slightly more distinctive

What middle names flow best with Oisin?

Oisin works best with short, strong middle names — one or two syllables keep the full name from becoming a mouthful

Oisin Jack
One syllable · timeless choice
Oisin John
One syllable · timeless choice
Oisin Luke
One syllable · timeless choice
Oisin Miles
One syllable · vintage charm
Oisin Beau
One syllable · on the rise
Oisin Brooks
One syllable · timeless choice
👶
Middle Names
The best middle names for Oisin
Browse ideas →

How popular is Oisin right now?

Falling — down 500 spots — currently #4660 in the US out of 135.5k tracked names

US Trend 19952025#4660 · Top 3.4%
1995
2000
2005
2010
2015
2020
2021
2022
2023
2024
2025
YearUS RankBirthsvs Prior Year
2025#466022▼ down 500 · -15% births
2024#416026▲ up 144 · +4% births
2023#430425▼ down 463 · -14% births
2022#384129▲ up 490 · +21% births
2021#433124▼ down 823 · -23% births
2020#350831▲ up 2136 · +94% births
2015#564416▲ up 288 · +7% births
2010#593215▲ up 185 · +15% births
2005#611713▲ up 1123 · +44% births
2000#72409▼ down 1366 · -10% births
1995#587410

The story of Oisin

Oisin is a relatively modern name, first appearing in US records in 1991. With 385 total births recorded, Oisin remains relatively uncommon. The name has grown more popular over time, rising from #5874 in 1995 to #4304 in 2023.

Names that peaked alongside Oisin in 2020:

Oisin by decade

Oisin peaked in the 2020s. See all 2020s names →

DecadeBirths
1990s43
2000s132
2010s179
2020s79
💎Oisin has only 385 total recorded births since 1991 — rarer than 99% of names in our database.

What are good nicknames for Oisin?

Common
OisOisieOisy

Common questions about the name Oisin

What does the name Oisin mean?
Oisin means "little deer" — a name rooted in Ireland tradition that carries both historical depth and timeless appeal. The meaning reflects values that have made this name endure across generations.
How popular is the name Oisin?
Oisin is currently a distinctive and less common name as a boy name in the US and is rapidly gaining popularity — searches for Oisin have increased significantly in recent years.
What is the cultural origin of Oisin?
Oisin originates from Ireland tradition. Ireland names tend to carry strong cultural heritage and have spread across the world through migration, literature, and religion over centuries.
How do you pronounce the name Oisin?
Oisin is a two-syllable name pronounced OY-SIN. The pronunciation is straightforward for English speakers, and the name reads clearly on paper — an important practical consideration for parents.
Is Oisin trending right now?
Oisin is currently on the rise — it has gained significant momentum in recent years as parents discover its appeal.