Mostly girls · peaked in 2025

Lennon name popularity since 1925

20,520 babies born in the US from 1925 to 2025 were named Lennon (61.3% girls, 38.7% boys). Half of them were born in 2019 or earlier, so the typical Lennon is about 7 years old in 2026. Lennon peaked in 2025 as the #214 name for girls, and it ranked #214 in 2025.

Key facts

US babies since 1925
20,520
Named Lennon, 1925–2025
Peak year
2025
#214 for girls that year
Typical age
About 7
Median birth year 2019
In 2025
#214
for girls in 2025 (1,421 babies)
Girls / boys
61.3% girls
12,576 girls · 7,944 boys
Most popular in
Utah
3.14× its national share

Peak year is the year Lennon 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.

Lennon births per year, 1925–2025

Babies named Lennon per year, 1925–2025

2025 was the biggest year for Lennon both by count and as a share of all babies.

  • Fastest rise: Between 2011 and 2016, Lennon became 5.6× more common, from 1 in 15,200 baby girls to 1 in 2,710.

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

Decade by decade

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

Decade GirlsBoys Rank
1925–29 039 –
1930s 064 Under 5
1940s 0110 Under 5
1950s 0124 Under 5
1960s 0134 Under 5
1970s 0121 Under 5
1980s 11237 Under 5
1990s 53301 #11,217
2000s 3331,222 #5,535
2010s 4,5063,437 #518
2020–25 7,6732,155 #214

Ranks count every name given to at least 5 girls that year, so they can go past 1,000. "Under 5" means fewer than 5 girls got the name.

Generation fingerprint

81.1% of babies named Lennon from 1925 to 2025 were born in the Gen Alpha years (2013–2025). The full split by generation:

Lennon by generation Greatest Generation born 1925–27 0.1% Silent Generation born 1928–45 0.7% Baby Boomers born 1946–64 1.1% Gen X born 1965–80 1.1% Millennials born 1981–96 2.2% Gen Z born 1997–2012 13.7% Gen Alpha born 2013–25 81.1%

Where Lennon is most popular

The index compares Lennon'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 Lennon.

StateIndexBabies
Utah3.14×467
Minnesota1.91×609
Wisconsin1.86×638
Iowa1.82×403
Colorado1.79×384

Names with a similar story

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

Names from the same era

Other common names that peaked within two years of Lennon (2025).

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