Dia
Dia was the 4197th most popular name for girls in 2025, given to 34 babies. Its best year was 1968, when it ranked 1817th; the most babies were born in 2015 (62). Over the last ten years it has moved down 1,377 places. More babies were named Dia in the 2010s than in any other decade.
Meaning Not yet researched how we research meanings
- Rank in 2025
- #4,197 girls, down 1,004 places since 2020
- Babies in 2025
- 34girls
- Girls and boys
- Almost always a girl’s name2021–2025
- Peak year
- 201562 babies
- Total since 1880
- 2,367babies recorded
Dia popularity since 1880
A few boys are given the name too: 117 since 1971.
| Year | Rank (girls) | Babies (girls) |
|---|---|---|
| 2025 | #4,197 | 34 |
| 2020 | #3,193 | 49 |
| 2010 | #3,764 | 41 |
| 2000 | #5,364 | 21 |
| 1990 | #4,409 | 22 |
| 1980 | #2,399 | 40 |
| 1970 | #1,884 | 46 |
| 1960 | #3,250 | 15 |
| 1950 | #5,487 | 5 |
| 1940 | — | — |
| 1930 | — | — |
| 1920 | — | — |
| 1910 | — | — |
| 1900 | — | — |
| 1890 | — | — |
| 1880 | — | — |
How popular is Dia, counting every spelling?
Dia has no other common spelling that sounds the same.
How many kids will share the name Dia?
34 of the 3,606,400 babies born in the US in 2025 were named Dia (0.01 per 1,000 births). For a girl named Dia born in 2025, the chance that another child with the same name is in a class of 20 children the same age is under 1 in 50. If every grade liked the name as much as the 2025 babies do, only about one elementary school in 247 (of 430 pupils) would have a child named Dia.
Shares of all registered births (NCHS); classes assumed to be children born the same year. How we estimate this.
How old are people named Dia?
About 2,200 people born in the US named Dia are alive today, with a median age of 29; half are between 12 and 49. That makes Dia mostly worn by children and young adults. The wide spread shows a name popular in two different eras.
Babies given the name each year (SSA) times the share of that birth year still alive (SSA life tables). Counts people born in the US only. Method.
Dia by state
How common Dia was among girls born in each state in 2021–2025. It is notably more common than nationally in California (1.6×). In 46 states fewer than five girls a year got the name, too few for SSA to publish, so those states show as zero.
Names with a similar history
These names rose and fell in step with Dia: their share of US girls followed the most similar curve since 1880. If you like Dia, they share its era and feel.
Questions about the name Dia
How popular is the name Dia?
Dia was the 4197th most popular name for girls in 2025, given to 34 babies. Its best year was 1968, when it ranked 1817th; the most babies were born in 2015 (62). Over the last ten years it has moved down 1,377 places. More babies were named Dia in the 2010s than in any other decade.
Is Dia a boy or girl name?
In 2021–2025, almost always a girl’s name given the name Dia in the US.
Where is Dia most popular?
In 2021–2025, Dia was most common in California (0.04 per 1,000 girls), followed by New Jersey and Texas.