What does Oisin mean?
Oisín means “little deer” or “fawn.” He is the poet-warrior of Irish legend.
What does Eoghan mean?
Eoghan is linked to “born of the yew tree” and to “well-born.”
Oisin vs Eoghan
Which is more popular?
Oisin is more popular than Eoghan today: about 22 US babies were given the name Oisin in 2025, compared with 19 named Eoghan.
| Oisin | Eoghan | |
|---|---|---|
| Meaning | Little deer | Born of the yew |
| Origin | Irish | Irish |
| Gender | Boy | Boy |
| Pronunciation | uh-SHEEN | OH-un |
| Syllables | 2 | 2 |
| First appeared | 1991 | 1989 |
| Peak year | 2020 (31) | 2015 (29) |
| In 2025 | 22 | 19 |
| Trend | Rising | Steady |
Popularity over time, 1880–2025
Oisin
Eoghan
Source: US Social Security Administration.
Births by decade
| Decade | Oisin | Eoghan |
|---|---|---|
| 2020s | 157 | 128 |
| 2010s | 181 | 199 |
| 2000s | 132 | 133 |
| 1990s | 43 | 41 |
| 1980s | 0 | 6 |
Frequently asked questions
Is Oisin or Eoghan more popular?
Oisin is more popular than Eoghan today: about 22 US babies were given the name Oisin in 2025, compared with 19 named Eoghan.
What is the difference between Oisin and Eoghan?
Oisin means Little deer (Irish origin), while Eoghan means Born of the yew (Irish origin).
Which name is older, Oisin or Eoghan?
In US records, Oisin first appears in 1991 and Eoghan in 1989, so Eoghan has the longer recorded history.