Delia
Girl name · #1561 in 2025 · Very rare
How old is the name Delia? In official American birth records, Delia has been tracked continuously since 1880, giving it 145 years of documented American history.
Delia is currently the #1561 girl name in the United States — 135 babies received it in 2025. A decade ago it stood at #1239, so the name has been falling over the past ten years. Roughly one in every 13,333 girls born in 2025 was named Delia.
Babies named Delia per year. Source: Official national birth records.
The 145-year story
Delia first appears in the Social Security records in 1880, when 129 girls received the name. Its peak came in 1957, when 490 girls were named Delia — good for #423 that year. Today's parents encounter it as a name from their grandparents’ generation, which is precisely the vintage window from which names get revived. Following the curve matters more than today's snapshot: a name's position on its rise-peak-decline arc is the best predictor of how common it will feel in a kindergarten class five years from now.
Unlock the 5-year forecast and compare Delia against up to 5 other names.
Uniqueness: will there be another Delia in class?
On our rarity read — which blends how common Delia is today with its five-year momentum — the name reads as "very rare". A high score means genuine rarity — your Delia will likely be the only one in the room, with the occasional spelling-out as the price.
Where Delia is most common
State-level data for Delia is too sparse in 2025 to rank by rate — in most states its count falls below the SSA's per-state reporting threshold (counts under 5 are withheld).
Names like Delia
Statistically, parents drawn to Delia tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Maura, Marta, Sonia, Susanna, and Claudia.
MauraMartaSoniaSusannaClaudiaDiannaMariAlisa
Rank history (last 25 years)
| Year | Babies named Delia | Rank |
|---|---|---|
| 2025 | 135 | #1561 |
| 2024 | 143 | #1509 |
| 2023 | 154 | #1446 |
| 2022 | 130 | #1621 |
| 2021 | 147 | #1460 |
| 2020 | 164 | #1343 |
| 2019 | 152 | #1452 |
| 2018 | 161 | #1391 |
| 2017 | 171 | #1353 |
| 2016 | 183 | #1307 |
| 2015 | 197 | #1239 |
| 2014 | 217 | #1147 |
| 2013 | 178 | #1319 |
| 2012 | 219 | #1125 |
| 2011 | 250 | #1007 |
| 2010 | 245 | #1021 |
| 2009 | 227 | #1116 |
| 2008 | 229 | #1126 |
| 2007 | 272 | #985 |
| 2006 | 238 | #1068 |
| 2005 | 261 | #947 |
| 2004 | 247 | #970 |
| 2003 | 248 | #945 |
| 2002 | 198 | #1073 |
| 2001 | 205 | #1045 |
Frequently asked questions
How old is the name Delia?
In official American birth records, the name Delia first appeared in 1880 (over 145 years ago), when 129 newborn girls received the name. It has over a century of continuous American history.
Is Delia a popular girl name?
Delia ranked #1561 among girls in 2025 with 135 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked #1239.
When was the name Delia most popular?
Delia peaked in 1957, when 490 American girls received the name (ranked #423 that year). Since 1957 the name has declined from that high.
How rare is the name Delia?
In 2025, roughly 1 in 13,333 newborn American girls was named Delia. On our rarity scale (rarity blended with momentum) we classify it as "very rare".
Data source: Official American birth records, 1880–2025, national and state files. Counts reflect registered birth records for American families.