MallowbyNames

Willi

WIL-ee · Diminutive and German variant of William, meaning 'resolute protector'.

Peak popularity
1919
Usually for
Boys
Trend
Holding steady

Holding steady.

Popularity of Willi since 1919

Babies named Willi per year in U.S. Social Security records. Raw births topped out in 1958, but relative to how few babies were recorded back then, Willi's real moment was 1919.

3710192019602000Most births 1958Boys
Data table (by decade)
DecadeBoys
1910s6
1920s0
1930s5
1940s5
1950s32
1960s34
1970s19
1980s10
1990s17
2000s16
2010s0
2020s0

Meaning & origin

Willi is a German diminutive of the classic name William, carrying the meaning 'resolute protector' through its Old High German roots. In the United States, Willi first appeared in Social Security records in 1919, which also marks its peak year, though the number of births was very small (fewer than 5). The name has remained extremely rare in the U.S., with no recorded rank in any year and a trajectory described as stable. It is primarily used in German-speaking countries, where it is sometimes an independent given name rather than a nickname for Wilhelm. While never common in America, Willi reflects a strong cultural heritage and a straightforward, friendly sound.

Willi is a German diminutive and variant of William, which derives from the Old High German name Willahelm, composed of 'willio' (will, desire) and 'helm' (helmet, protection). The name has been used in German-speaking countries since the Middle Ages, often as a nickname for Wilhelm or as an independent given name. It gained some popularity in the early 20th century.

Sibling names for Willi

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

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

W is for Willi, our favorite little boy.

W is for Willi…”

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

Make Willi's book

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

Questions parents ask

What does the name Willi mean?
Willi is a German variant of William, meaning 'resolute protector'.
How popular is the name Willi today?
Willi is not currently ranked in U.S. popularity. Its peak year was 1919, with fewer than 5 births recorded that year.
Is Willi a boy or girl name?
Willi is traditionally a masculine name, though it can be used as a nickname for females.