Lennon Boy & girl
How popular is Lennon?
#214 girl name in 2025
1,421 baby girls were named Lennon in the US in 2025, making it the 214th most popular girl name. Another 308 boys got the name (#807 for boys).
Lennon popularity over time
Boys Girls
| Rank in 2025 | #214 for girls (▲ 21 from 2024) |
|---|---|
| Babies in 2025 | 1,421 girls, 308 boys |
| 10-year trend | Rising fast (+134% babies vs 2015) |
| Earlier ranks | #518 in 2015, #299 in 2020 |
| Peak year | 2025 (1,421 girls) |
| Highest rank | #214 in 2025 |
| First recorded | 1981 |
| Boys vs girls (last 10 years) | 26% boys, 74% girls |
| Chance a classmate shares it | 1% in a class of 25 kids born in 2025 |
Lennon counting every spelling
Social Security counts each spelling as its own name. Adding together the spellings that sound alike, the Lennon family of names ranked #213 for girls in 2025 (#227 the year before), with 1,570 babies in all.
| Spelling | Girls in 2025 | Share |
|---|---|---|
| Lennon | 1,421 | 91% |
| Lennyn | 136 | 9% |
| Lennan | 6 | 0% |
| Lenyn | 7 | 0% |
Spellings are grouped by how they sound, using our own rules, so a few groupings may not match how your family says the name.
Where Lennon is most popular
Babies named Lennon per 1,000 girls born in each state, 2021 to 2025. Darker means more common.
- South Dakota: 5.4 per 1,000 (77 girls)
- North Dakota: 5.2 per 1,000 (68 girls)
- Maine: 3.2 per 1,000 (49 girls)
- Nebraska: 3.1 per 1,000 (111 girls)
- Iowa: 2.7 per 1,000 (159 girls)
Lennon by decade
Girl names about as popular as Lennon
Questions
- Is Lennon a boy or girl name?
- Lennon is used for both. Over the last 10 years, 26% of babies named Lennon were boys and 74% were girls.
- How popular is the name Lennon?
- 1,421 baby girls were named Lennon in the US in 2025, making it the 214th most popular girl name. Another 308 boys got the name (#807 for boys).
- When was Lennon most popular?
- Lennon peaked in 2025, when 1,421 girls were given the name. Its highest rank was #214 in 2025.
- How many people are named Lennon?
- 20,579 babies have been named Lennon in the US since 1880. We estimate about 20,185 of them are alive in 2026, with a median age of 7.
- Where is Lennon most popular?
- From 2021 to 2025, Lennon was most common in South Dakota, at 5.4 of every 1,000 girls born there.
Source: Social Security Administration baby name data, 1880 to 2025 (names given to at least 5 babies of a sex in a year). Living-people and median-age figures are our estimates using US life tables. How we calculate.