MallowbyNames

Lennart

LEN-ahrt · Lion-strong or brave as a lion.

Peak popularity
1911
Usually for
Boys
Trend
Holding steady

Holding steady.

Popularity of Lennart since 1911

Babies named Lennart per year in U.S. Social Security records.

61218192019602000Most births 1916Boys
Data table (by decade)
DecadeBoys
1910s72
1920s101
1930s102
1940s58
1950s46
1960s19
1970s5
1980s0
1990s0
2000s5
2010s13
2020s5

Meaning & origin

Lennart is a Scandinavian classic with a bold, lion-like meaning, but it has never achieved widespread use in the United States. First recorded in 1911, the name saw its peak usage that very year, though even then it remained extremely rare. Over the decades, its trajectory has been stable, with just a handful of annual births, and it has not appeared in any top states. For American parents seeking a distinctive Nordic heritage name that is easily recognizable abroad, Lennart offers a strong, traditional option without the weight of heavy popularity. Its enduring but minor presence in U.S. records reflects a name that remains closely tied to its Swedish and Germanic roots rather than becoming a mainstream choice.

Lennart is a Scandinavian form of the Germanic name Leonhard, which is composed of the elements 'leon' (lion) and 'hard' (brave, hardy). The name was borne by several medieval saints, including Saint Leonard of Limoges, and became common in Sweden and other Nordic countries. It has been used in royal and noble families but remains a classic, familiar name in the region.

Nicknames & variants

Nicknames: Len, Lennie

Variants: Leonhard, Leonard, Lennard, Lennert

Sibling names for Lennart

Names that share Lennart's style, for a brother or sister.

Sisters: Astrid, Ingrid, Karin, Sigrid, Maja

Brothers: Axel, Erik, Gustav, Oskar, Sven

A parent animal hugging its little one, the personalized name page

L is for Lennart, our favorite little boy.

L is for Lennart…”

In a Mallowby alphabet book, Lennart's letter becomes Lennart's page: hand-illustrated, printed hardcover or paperback, made just for them.

Make Lennart's book

Books for siblings or grandkids? The second book is 15% off.

Questions parents ask

What does the name Lennart mean?
Lennart means 'lion-strong' or 'brave as a lion,' derived from the Germanic elements 'leon' (lion) and 'hard' (brave).
How popular is the name Lennart?
Lennart has never ranked in the U.S. top 1000 in recent decades. It was first recorded in 1911 and has had very low, stable usage since then.
Is Lennart a boy's or girl's name?
Lennart is almost exclusively a boy's name.