Girls' name · peaked in 1970

Lea name popularity since 1925

32,836 babies born in the US from 1925 to 2025 were named Lea (98.7% girls, 1.3% boys). Half of them were born in 1984 or earlier, so the typical Lea is about 42 years old in 2026. Lea peaked in 1970 as the #397 name for girls, and it ranked #848 in 2025.

Key facts

US babies since 1925
32,836
Named Lea, 1925–2025
Peak year
1970
#397 for girls that year
Typical age
About 42
Median birth year 1984
In 2025
#848
for girls in 2025 (321 babies)
Girls / boys
98.7% girls
32,399 girls · 437 boys
Most popular in
California
1.43× its national share

Peak year is the year Lea 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.

Lea births per year, 1925–2025

Babies named Lea per year, 1925–2025

1970 was the biggest year for Lea both by count and as a share of all babies.

  • Fastest rise: Between 1953 and 1958, Lea became 2.2× more common, from 1 in 9,800 baby girls to 1 in 4,510.

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

Decade by decade

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

Decade GirlsBoys Rank
1925–29 32876 –
1930s 67181 #878
1940s 1,09974 #770
1950s 2,88961 #502
1960s 4,49361 #455
1970s 4,45342 #466
1980s 3,94442 #528
1990s 3,8310 #649
2000s 4,2500 #602
2010s 4,3410 #739
2020–25 2,1000 #848

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

Generation fingerprint

22.6% of babies named Lea from 1925 to 2025 were born in the Gen X years (1965–1980). The full split by generation:

Lea by generation Greatest Generation born 1925–27 0.8% Silent Generation born 1928–45 4.5% Baby Boomers born 1946–64 17.1% Gen X born 1965–80 22.6% Millennials born 1981–96 19.1% Gen Z born 1997–2012 20.9% Gen Alpha born 2013–25 15.0%

Where Lea is most popular

The index compares Lea'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 Lea.

StateIndexBabies
California1.43×4,185
New Jersey1.35×1,034
New York1.34×2,826
Florida1.31×1,316
Massachusetts1.27×838

Other spellings

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

SpellingGirlsPeak year
Lea (this page) 32,399 1970
Leah 245,494 2009

Names with a similar story

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

Names from the same era

Other common names that peaked within two years of Lea (1970).

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