Delta
How to say it: DEL-tuh · /ˈdɛltə/
Greek letter Delta, also English for river mouth - used as given name since 19th century.
Delta was the 1,750th most popular girls’ name in the United States in 2025, given to 78 babies (Social Security Administration). Its busiest decade was the 1900s, its births are up about 89% in ten years, and it is projected to slip to #2,128 by 2030.
Updated · SSA 2025 data, published May 2026 · How we compute these figures
Key facts
| Rank among girls’ names, 2025 | #1,750 |
|---|---|
| Babies born in 2025 | 78 |
| Share of births | 1 in 42,504 |
| Peak decade | 1900s |
| Change over 10 years | +89% |
| Projected rank for 2030 (estimate) | #2,128 |
Sources: Social Security Administration (SSA). How we compute these figures.
Its life, decade by decade
Delta peaked in the 1900s, nearly vanished by the 2000s, and has come back.
What goes with it
In the classroom
In a class of 25 children born in 2025, the chance that another child is called Delta is about under 1 in 200.
Around the world
This spelling is used in English, Greek.
Famous people named Delta
- Delta Burke (born 1956)Actress
From Wikidata and Wikipedia
Good to know
- Children named Delta were teased over the COVID-19 Delta variant at school in 2021, on top of the Delta Air Lines namesake joke; documented
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