448,561births recorded
13Countries
7Variants
1970Peak · Ontario
#3645United States 2025
Tammy is a girl name family recorded 448,561 times in 13 countries since 1927. It ranks highest today in the United States (#3645 in 2025). Its all-time peak was in Ontario in 1970, at 948.2 births per 100,000.
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.
Rank in countries that publish top lists only
All forms of Tammy
| Variants | Language | Total births | Country | Latest rank | Peak year | 10-year trend |
|---|---|---|---|---|---|---|
| Tammy | English | 333,407 | 🇺🇸 United States | #3645 | 1968 | ▲ 4 % |
| Tammy | English | 13,150 | 🇨🇦 Ontario | – | 1970 | – |
| Tammy | English | 2,954 | 🇨🇦 British Columbia | – | 1971 | – |
| Tammy | English | 1,661 | 🇦🇺 New South Wales | – | 1976 | – |
| Tammy | English | 756 | 🇦🇺 South Australia | – | 1973 | – |
| Tammy | English | 742 | 🏴 England & Wales | – | 1996 | – |
| Tami | English | 38,017 | 🇺🇸 United States | #8362 | 1959 | ▲ 64 % |
| Tami | English | 391 | 🇨🇦 Ontario | – | 1959 | – |
| Tami | English | 332 | 🇨🇦 British Columbia | – | 1970 | – |
| Tami | English | 28 | 🇦🇷 Argentina | – | 2003 | – |
| Tami | English | 23 | 🇨🇦 Alberta | – | 1981 | – |
| Tami | English | 17 | 🏴 England & Wales | – | 2019 | – |
| Tammie | English | 35,514 | 🇺🇸 United States | #13208 | 1968 | ▲ 12 % |
| Tammie | English | 495 | 🇨🇦 Ontario | – | 1967 | – |
| Tammie | English | 178 | 🇨🇦 British Columbia | – | 1970 | – |
| Tammie | English | 94 | 🇦🇺 South Australia | – | 1976 | – |
| Tammie | English | 54 | 🏴 England & Wales | – | 1996 | – |
| Tammie | English | 43 | 🏴 Scotland | – | 1977 | – |
| Tammi | English | 13,884 | 🇺🇸 United States | – | 1968 | – |
| Tammi | English | 179 | 🇨🇦 Ontario | – | 1968 | – |
| Tammi | English | 72 | 🇨🇦 British Columbia | – | 1966 | – |
| Tammi | English | 45 | 🏴 Scotland | – | 1991 | – |
| Tammi | English | 40 | 🏴 England & Wales | – | 1996 | – |
| Tammi | English | 6 | 🇨🇦 Alberta | – | 1980 | – |
| Tamie | English | 3,237 | 🇺🇸 United States | – | 1959 | – |
| Tamie | English | 8 | 🇨🇦 British Columbia | – | 1968 | – |
| Tammye | English | 666 | 🇺🇸 United States | – | 1962 | – |
| Tamy | English | 623 | 🇺🇸 United States | – | 1960 | – |
| Tamy | English | 11 | 🇨🇦 Québec | – | 1991 | – |
How we grouped these names
- Tammie ↔ Tammy — verified against linguistic sources
- Tammie ↔ Tamie — spelling variant
- Tammie ↔ Tammye — spelling variant
- Tammy ↔ Tami — spelling variant
- Tammy ↔ Tammi — spelling variant
- Tammy ↔ Tamy — spelling variant
Questions about Tammy
How popular is the name Tammy?
In 2025 it ranked #3645 in the United States. Official registers record 448,561 births across 13 countries.
What is Tammy in other languages?
Tami (English); Tammie (English); Tammi (English); Tamie (English); Tammye (English); Tamy (English).
When was Tammy most popular?
It peaked in Ontario in 1970, at 948.2 births per 100,000.
Is Tammy a boy or a girl name?
In official birth registers, Tammy is a girl name.