| Sinead | Siobhan | |
|---|---|---|
| Meaning | God is gracious | God is gracious |
| Origin | Irish | irish |
| Gender | Girl | Girl |
| Pronunciation | shin-AYD | shiv-AWN |
| Syllables | 2 | 2 |
| First appeared | 1975 | 0 |
| Peak year | 1990 (160) | 1980 (282) |
| In 2025 | 11 | 0 |
| Trend | Declining | Vintage |
Source: US Social Security Administration.
| Decade | Sinead | Siobhan |
|---|---|---|
| 2020s | 60 | 543 |
| 2010s | 118 | 548 |
| 2000s | 295 | 758 |
| 1990s | 627 | 1,334 |
| 1980s | 182 | 2,086 |
| 1970s | 58 | 996 |
| 1960s | 0 | 869 |
| 1950s | 0 | 265 |
Sinéad is an Irish form of Jane/Jeanette, ultimately “God is gracious.”
The Irish form of Jeanne/Joan (Siobhán), a feminine of John, ultimately from Hebrew 'Yochanan' meaning 'God is gracious.' A John-root grace name.
Sinead is more popular than Siobhan today: about 11 US babies were given the name Sinead in 2025, compared with 0 named Siobhan.
Sinead means God is gracious (Irish origin), while Siobhan means God is gracious (irish origin).
In US records, Sinead first appears in 1975 and Siobhan in 0, so Siobhan has the longer recorded history.