55,702births recorded
9Countries
3Variants
1966Peak · Ireland
#7885United States 2025
Deirdre is a girl name family recorded 55,702 times in 9 countries since 1921. It ranks highest today in the United States (#7885 in 2025). Its all-time peak was in Ireland in 1966, at 1,013.5 births per 100,000. Elsewhere it is mostly given as Deidre (South Australia, Alberta).
Popularity by country
Births per 100,000 newborns, all forms of the name combined.
Which form wins where
Births per 100,000 newborns for each form, in the selected country.
All forms of Deirdre
| Variants | Language | Total births | Country | Latest rank | Peak year | 10-year trend |
|---|---|---|---|---|---|---|
| Deirdre | English | 16,845 | 🇺🇸 United States | #7885 | 1961 | ▼ 47 % |
| Deirdre | English | 12,343 | 🇮🇪 Ireland | – | 1966 | – |
| Deirdre | English | 507 | 🇨🇦 Ontario | – | 1964 | – |
| Deirdre | English | 156 | 🇦🇺 South Australia | – | 1955 | – |
| Deirdre | English | 140 | 🇨🇦 British Columbia | – | 1952 | – |
| Deirdre | English | 62 | 🏴 Scotland | – | 1974 | – |
| Deidre | English | 14,684 | 🇺🇸 United States | #10917 | 1970 | ▲ 50 % |
| Deidre | English | 265 | 🇦🇺 South Australia | – | 1956 | – |
| Deidre | English | 239 | 🇨🇦 Ontario | – | 1971 | – |
| Deidre | English | 88 | 🇨🇦 British Columbia | – | 1968 | – |
| Deidre | English | 13 | 🇮🇪 Ireland | – | 1967 | – |
| Deidre | English | 11 | 🇨🇦 Alberta | – | 1987 | – |
| Deidra | English | 10,287 | 🇺🇸 United States | – | 1980 | – |
| Deidra | English | 26 | 🇨🇦 Ontario | – | 1988 | – |
| Deidra | English | 6 | 🇨🇦 Alberta | – | 1987 | – |
| Deidra | English | 5 | 🇨🇦 British Columbia | – | 1986 | – |
How we grouped these names
- Deidra ↔ Deidre — verified against linguistic sources
- Deirdre ↔ Deidre — Wikidata “said to be the same as”
Questions about Deirdre
How popular is the name Deirdre?
In 2025 it ranked #7885 in the United States. Official registers record 55,702 births across 9 countries.
What is Deirdre in other languages?
Deidre (English); Deidra (English).
When was Deirdre most popular?
It peaked in Ireland in 1966, at 1,013.5 births per 100,000.
Is Deirdre a boy or a girl name?
In official birth registers, Deirdre is a girl name.