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