Girls' name · peaked in 2003

Isabel name popularity since 1925

115,392 babies born in the US from 1925 to 2025 were named Isabel (98.7% girls, 1.3% boys). Half of them were born in 2003 or earlier, so the typical Isabel is about 23 years old in 2026. Isabel peaked in 2003 as the #83 name for girls, and it ranked #177 in 2025.

Key facts

US babies since 1925
115,392
Named Isabel, 1925–2025
Peak year
2003
#83 for girls that year
Typical age
About 23
Median birth year 2003
In 2025
#177
for girls in 2025 (1,746 babies)
Girls / boys
98.7% girls
113,839 girls · 1,553 boys
Most popular in
New Mexico
2.96× its national share

Peak year is the year Isabel 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.

Isabel births per year, 1925–2025

Babies named Isabel per year, 1925–2025

The biggest year by count was 2006. Measured as a share of all babies, Isabel peaked in 2003.

  • Fastest rise: Between 1994 and 1999, Isabel became 3× more common, from 1 in 1,580 baby girls to 1 in 521.
  • Steepest fall: Between 2006 and 2011, its share of baby girls fell by 35%, from 1 in 474 to 1 in 729.

Shaded on the chart. Both compare Isabel's share of all US girls five years apart, counting only years with at least 100 babies named Isabel.

Decade by decade

Babies named Isabel in each decade, and its rank among girls' names in the middle year of the decade (1935, 1945 … 2025).

Decade GirlsBoys Rank
1925–29 3,698181 –
1930s 4,442262 #292
1940s 3,435259 #430
1950s 4,041174 #417
1960s 3,718134 #527
1970s 3,940145 #462
1980s 4,962140 #428
1990s 16,104142 #217
2000s 36,04283 #89
2010s 22,58628 #149
2020–25 10,8715 #177

Ranks count every name given to at least 5 girls that year, so they can go past 1,000.

Generation fingerprint

45.2% of babies named Isabel from 1925 to 2025 were born in the Gen Z years (1997–2012). The full split by generation:

Isabel by generation Greatest Generation born 1925–27 2.2% Silent Generation born 1928–45 7.1% Baby Boomers born 1946–64 6.8% Gen X born 1965–80 5.6% Millennials born 1981–96 10.7% Gen Z born 1997–2012 45.2% Gen Alpha born 2013–25 22.6%

Where Isabel is most popular

The index compares Isabel'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 Isabel.

StateIndexBabies
New Mexico2.96×1,842
Arizona2.28×3,325
Nevada2.09×838
California2.03×24,207
Texas1.97×17,444

Other spellings

Spellings that sound like Isabel and were given to at least 1,000 girls from 1925 to 2025, with the year each one was most popular.

SpellingGirlsPeak year
Isabel (this page) 113,839 2003
Isabell 10,073 1903
Izabel 3,808 2007
Isobel 3,047 2016
Ysabel 1,274 1998

Names with a similar story

Of the other 1999 names on this site, these six had the share of babies closest in shape to Isabel's from 1925 to 2025, however common each one got. Each line is scaled to its own high; the dashed line is Isabel.

Names from the same era

Other common names that peaked within two years of Isabel (2003).

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