Delta
Delta was the 2337th most popular name for girls in 2025, given to 78 babies. Its best year was 1893, when it ranked 723rd; the most babies were born in 2019 (136). Over the last ten years it has moved up 1,527 places. More babies were named Delta in the 2020s than in any other decade.
Meaning Not yet researched how we research meanings
- Rank in 2025
- #2,337 girls, down 632 places since 2020
- Babies in 2025
- 78girls
- Girls and boys
- Almost always a girl’s name2021–2025
- Peak year
- 2019136 babies
- Total since 1880
- 4,476babies recorded
Delta popularity since 1880
A few boys are given the name too: 108 since 1908.
| Year | Rank (girls) | Babies (girls) |
|---|---|---|
| 2025 | #2,337 | 78 |
| 2020 | #1,705 | 119 |
| 2010 | #12,593 | 8 |
| 2000 | #7,699 | 13 |
| 1990 | #3,929 | 26 |
| 1980 | #4,188 | 18 |
| 1970 | #5,139 | 10 |
| 1960 | #2,385 | 25 |
| 1950 | #2,271 | 19 |
| 1940 | #1,320 | 32 |
| 1930 | #1,118 | 44 |
| 1920 | #1,123 | 45 |
| 1910 | #847 | 26 |
| 1900 | #810 | 21 |
| 1890 | #1,245 | 6 |
| 1880 | — | — |
How popular is Delta, counting every spelling?
Delta has no other common spelling that sounds the same.
How many kids will share the name Delta?
78 of the 3,606,400 babies born in the US in 2025 were named Delta (0.02 per 1,000 births). For a girl named Delta 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 108 (of 430 pupils) would have a child named Delta.
Shares of all registered births (NCHS); classes assumed to be children born the same year. How we estimate this.
How old are people named Delta?
About 2,500 people born in the US named Delta are alive today, with a median age of 35; half are between 7 and 58. That makes Delta mostly worn by adults in their thirties to fifties. 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.
Delta by state
How common Delta was among girls born in each state in 2021–2025. It is notably more common than nationally in Mississippi (10.4×). In 38 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 Delta: their share of US girls followed the most similar curve since 1880. If you like Delta, they share its era and feel.
Questions about the name Delta
How popular is the name Delta?
Delta was the 2337th most popular name for girls in 2025, given to 78 babies. Its best year was 1893, when it ranked 723rd; the most babies were born in 2019 (136). Over the last ten years it has moved up 1,527 places. More babies were named Delta in the 2020s than in any other decade.
Is Delta a boy or girl name?
In 2021–2025, almost always a girl’s name given the name Delta in the US.
Where is Delta most popular?
In 2021–2025, Delta was most common in Mississippi (0.56 per 1,000 girls), followed by Arkansas and Tennessee.