Lennox Boy & girl
How popular is Lennox?
#289 boy name in 2025
1,160 baby boys were named Lennox in the US in 2025, making it the 289th most popular boy name. Another 392 girls got the name (#716 for girls).
Lennox popularity over time
Boys Girls
| Rank in 2025 | #289 for boys (▼ 25 from 2024) |
|---|---|
| Babies in 2025 | 1,160 boys, 392 girls |
| 10-year trend | Rising fast (+93% babies vs 2015) |
| Earlier ranks | #490 in 2015, #292 in 2020 |
| Peak year | 2022 (1,427 boys) |
| Highest rank | #248 in 2022 |
| First recorded | 1918 |
| Boys vs girls (last 10 years) | 71% boys, 29% girls |
| Chance a classmate shares it | 1% in a class of 25 kids born in 2025 |
Lennox counting every spelling
Social Security counts each spelling as its own name. Adding together the spellings that sound alike, the Lennox family of names ranked #272 for boys in 2025 (#256 the year before), with 1,299 babies in all.
| Spelling | Boys in 2025 | Share |
|---|---|---|
| Lennox | 1,160 | 89% |
| Lenox | 139 | 11% |
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 Lennox is most popular
Babies named Lennox per 1,000 boys born in each state, 2021 to 2025. Darker means more common.
- Delaware: 2.2 per 1,000 (33 boys)
- West Virginia: 1.8 per 1,000 (59 boys)
- Hawaii: 1.5 per 1,000 (24 boys)
- Louisiana: 1.5 per 1,000 (158 boys)
- Iowa: 1.5 per 1,000 (101 boys)
Lennox by decade
| Decade | Baby boys | Best rank |
|---|---|---|
| 1910s | 10 | #4,167 |
| 1930s | 5 | #3,644 |
| 1940s | 18 | #2,963 |
| 1950s | 37 | #2,873 |
| 1960s | 52 | #2,734 |
| 1970s | 65 | #2,685 |
| 1980s | 77 | #3,698 |
| 1990s | 124 | #3,495 |
| 2000s | 609 | #1,118 |
| 2010s | 5,565 | #330 |
| 2020s | 7,768 | #248 |
Boy names about as popular as Lennox
Questions
- Is Lennox a boy or girl name?
- Lennox is used for both. Over the last 10 years, 71% of babies named Lennox were boys and 29% were girls.
- How popular is the name Lennox?
- 1,160 baby boys were named Lennox in the US in 2025, making it the 289th most popular boy name. Another 392 girls got the name (#716 for girls).
- When was Lennox most popular?
- Lennox peaked in 2022, when 1,427 boys were given the name. Its highest rank was #248 in 2022.
- How many people are named Lennox?
- 19,739 babies have been named Lennox in the US since 1880. We estimate about 19,593 of them are alive in 2026, with a median age of 6.
- Where is Lennox most popular?
- From 2021 to 2025, Lennox was most common in Delaware, at 2.2 of every 1,000 boys 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.