Given name
Oisin
“resembling a young deer”
Oisin is used as a given name. One Irish interpretation is “resembling a young deer.”
Meaning & origin
What it means
One Irish interpretation is “resembling a young deer.”
Where it comes from
An origin associated with this spelling is Irish.
The story
In mythological stories, Oisin is associated with a warrior and poet.
Oisin through the years
- Babies since 1880
- 513
- 513 boys · 0 girls
- Most popular year
- 2020
- 31 babies
- 2025
- 22
- #4,660 for boys
- 2021–25 vs 2016–20
- +8%
- Steady
By the numbers
In 2025, this name appeared in 22 U.S. birth records for boys, ranking No. 4,660 among boys’ names. Average annual use for boys was 7.7% higher in 2021–2025 than in 2016–2020. Published U.S. population figures for this spelling include 397 as a first name in 2020.
From Social Security birth records and U.S. Census name counts for this exact spelling. Other spellings are counted separately.
Oisin’s family of names
Oisin has a related form in Oisean. Oisin has a related form in Oiseen. Oisin has a related form in Oisene.
Inner ring: spellings · middle: nicknames and forms · outer: across languages.
Nicknames & forms 15
Diminutives, pet forms, short forms and variants used alongside the name.
Spellings & scripts 1
The same name written differently, including transliterations into other scripts.
Across languages 2
Equivalents and cognates in other languages, plus older forms it grew from.
People named Oisin
Listed by how widely each person is written about, which says nothing about the name itself.
Similar names
If you love Oisin, these share its style, era, origin or sound, from outside its own family.
Tadhg
“poet, philosopher”
>99% boys
Eoghan
“the little swift one”
>99% boys
Mackinnon
“the son of the fair one”
>99% boys
Whelan
“descendant of Faolán”
>99% boys
Bohan
“descendant of Buadhachán”
>99% boys
Lachlann
“loch” · “place of”
>99% boys
Alastor
“helper and defender of mankind”
>99% boys
Auley
Auley is a masculine given name from Old Irish, ultimately from Old Norse. It is used in Manx.
>99% boys