MallowbyNames

Wilian

WIL-ee-an · A variant of William, possibly meaning 'desire helmet' or 'resolute protection'.

2025 rank (boys)
#9,714
Babies named in 2025
7
Peak popularity
2023
2025 frequency
1 in 244,011 boys
Usually for
Boys
Trend
Declining since 2020

Declining since 2020, #9,714 for boys today.

Popularity of Wilian since 1989

Babies named Wilian per year in U.S. Social Security records. Raw births topped out in 2007, but relative to how few babies were recorded back then, Wilian's real moment was 2023.

37101990200020102020Most births 2007Boys
Data table (by decade)
DecadeBoys
1980s5
1990s41
2000s81
2010s63
2020s47

Meaning & origin

Wilian is a modern spelling variant of the classic name William, maintaining the same strong etymological roots while offering a distinct orthographic identity. First recorded in the U.S. in 1989, the name has seen a subtle but consistent presence, reaching its highest rank of 9,714 in 2023 before a slight decline in 2025, with about 1 in 244,011 births. The trajectory has been falling since 2020, indicating a niche rather than rising trend. The spelling is particularly common in Portuguese-speaking communities, reflecting the global reach of the William name family. While not among the top names, Wilian remains a recognizable and straightforward alternative for parents seeking a familiar yet slightly unique choice.

Wilian is a spelling variant of William, which derives from the Old Norman French name Willame, composed of the Germanic elements 'wil' (will, desire) and 'helm' (helmet, protection). The name was introduced to England by the Normans and became consistently popular, giving rise to numerous forms and spellings across languages, including the Brazilian Portuguese variant Wilian.

Nicknames & variants

Nicknames: Will, Willy, Bill

Variants: William, Willian, Willem

Sibling names for Wilian

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

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

W is for Wilian, our favorite little boy.

W is for Wilian…”

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

Make Wilian's book

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

Questions parents ask

What does the name Wilian mean?
Wilian is a variant of William, which is thought to mean 'helmet of will' or 'resolute protector', from the Germanic elements 'wil' and 'helm'.
How popular is the name Wilian?
Wilian is relatively rare in the United States. In 2025, it ranked 9,714 with about 1 in 244,011 newborns given the name.
Is Wilian a boy's name?
Yes, Wilian is used almost exclusively as a boy's name.