How Many People Are Named Lennart?
people named Lennart are alive in the United States today (estimate)
About 1 in 3,024,644 people in the US has this name
Based on 426 babies named Lennart in Social Security records from 1911 to 2021, and the share of each birth year still alive in 2025.
Popularity Rank
💎💎 Very Rare
Peak Year
18 births
Trend
Stable (last 10 years)
📖 Name Origin & Meaning
Meaning:
Swedish and Low German form of LEONARD.
Source of the meaning, origin, pronunciation and related names: Behind the Name.
⚧ Gender Distribution
All of the babies given the name Lennart in the records were boys.
👥 Age Distribution
The average person named Lennart alive today is about 61 years old, and 75% are 60 or older. Half of them were between 61 and 79 in 2025.
📈 Popularity Over Time
Lennart first appears in the records in 1911 and was given most often in 1916, to 18 babies. The last year it was given to at least 5 babies of one sex was 2021.
Babies given the name each year, 1911 to 2021
🏆 Rank History
Lennart has never been one of the 100 most popular boys' names. Its best rank was #1,733, in 1916.
| Boys | |
|---|---|
| Rank in 2025 | Not ranked |
| Best rank | #1,733 (1916) |
| Years in the top 100 | None |
| Rank in its biggest decade | #2,374 in the 1930s |
📍 State-Wise Distribution
People named Lennart alive today, by the state where they were born (estimate; state records start in 1910).
More people named Lennart were born in Massachusetts than in any other state: about 1 of those alive today.
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