Girls' name · peaked in 2007
Isabelle name popularity since 1925
91,010 babies born in the US from 1925 to 2025 were named Isabelle. Half of them were born in 2008 or earlier, so the typical Isabelle is about 18 years old in 2026. Isabelle peaked in 2007 as the #79 name for girls, and it ranked #166 in 2025.
Key facts
- US babies since 1925
- 91,010
- Named Isabelle, 1925–2025
- In 2025
- #166
- for girls in 2025 (1,825 babies)
- Girls / boys
- 100.0% girls
- 90,990 girls · 20 boys
- Most popular in
- New Hampshire
- 2.25× its national share
Peak year is the year Isabelle made up the largest share of US girls, in records going back to 1880. Typical age is based on births from 1925 on, not on who is living today.
Isabelle births per year, 1925–2025
2007 was the biggest year for Isabelle both by count and as a share of all babies.
- Steepest fall: Between 1933 and 1938, Isabelle's share of baby girls fell by 55%.
- Fastest rise: Between 1993 and 1998, it became 5.8× more common, from 1 in 6,440 baby girls to 1 in 1,110.
Shaded on the chart. Both compare Isabelle's share of all US girls five years apart, counting only years with at least 100 babies named Isabelle.
Decade by decade
Babies named Isabelle in each decade, and its rank among girls' names in the middle year of the decade (1935, 1945 … 2025).
| Decade | Girls | Boys | Rank |
|---|---|---|---|
| 1925–29 | 2,943 | 0 | – |
| 1930s | 2,761 | 0 | #408 |
| 1940s | 1,470 | 0 | #640 |
| 1950s | 1,028 | 0 | #1,014 |
| 1960s | 817 | 0 | #1,202 |
| 1970s | 465 | 0 | #1,789 |
| 1980s | 692 | 0 | #2,233 |
| 1990s | 7,276 | 0 | #487 |
| 2000s | 32,871 | 20 | #96 |
| 2010s | 28,507 | 0 | #94 |
| 2020–25 | 12,160 | 0 | #166 |
Ranks count every name given to at least 5 girls that year, so they can go past 1,000.
Generation fingerprint
50.2% of babies named Isabelle from 1925 to 2025 were born in the Gen Z years (1997–2012). The full split by generation:
Where Isabelle is most popular
The index compares Isabelle's share of babies in each state with its share nationwide, 1925–2025 (1.50× = 50% more common). States with at least 300 babies named Isabelle.
| State | Index | Babies |
|---|---|---|
| New Hampshire | 2.25× | 627 |
| Nevada | 2.09× | 660 |
| Utah | 2.09× | 1,578 |
| Vermont | 2.05× | 304 |
| Minnesota | 1.76× | 2,843 |
Other spellings
Spellings that sound like Isabelle and were given to at least 1,000 girls from 1925 to 2025, with the year each one was most popular.
| Spelling | Girls | Peak year |
|---|---|---|
| Isabelle (this page) | 90,990 | 2007 |
| Isabell | 10,073 | 1903 |
| Izabelle | 4,603 | 2011 |
Names with a similar story
Of the other 1999 names on this site, these six had the share of babies closest in shape to Isabelle's from 1925 to 2025, however common each one got. Each line is scaled to its own high; the dashed line is Isabelle.
Names from the same era
Other common names that peaked within two years of Isabelle (2007).
Source: U.S. Social Security Administration national and state baby-name data, which covers names given to at least 5 babies of one sex in a year. About the data