MallowbyNames

Watt

WAHT · Short form of Walter, meaning 'ruler of the army.'

Peak popularity
1882
Usually for
Boys
Trend
Holding steady

Holding steady.

Popularity of Watt since 1880

Babies named Watt per year in U.S. Social Security records. Raw births topped out in 1920, but relative to how few babies were recorded back then, Watt's real moment was 1882.

510151880192019602000Most births 1920Boys
Data table (by decade)
DecadeBoys
1880s45
1890s17
1900s16
1910s77
1920s113
1930s57
1940s71
1950s33
1960s10
1970s5
1980s0
1990s0
2000s0
2010s0
2020s0

Meaning & origin

Watt is a classic short form of Walter, the Old German name meaning 'ruler of the army.' It first appeared in U.S. records in 1880 and saw its peak usage in 1882, during a period when diminutives were common as given names. Since then, its use has declined steadily, and it has not charted in recent decades. While never reaching high rankings, Watt retains a sturdy, historical charm, often associated with notable figures like inventor James Watt. Its trajectory remains stable at low usage, making it a rare choice today.

Watt is a medieval diminutive of Walter, which itself derives from the Old German elements wald 'rule' and heri 'army.' The name was brought to England by the Normans and was common in the Middle Ages. Watt later became established as an independent surname and occasional given name, notably in Scotland.

Nicknames & variants

Nicknames: Wattie

Variants: Wat

Sibling names for Watt

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

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

W is for Watt, our favorite little boy.

W is for Watt…”

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

Make Watt's book

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

Questions parents ask

What does the name Watt mean?
Watt is a short form of Walter, meaning 'ruler of the army.'
How popular is the name Watt?
Watt has not ranked in the top 1000 U.S. names in recent decades. Its peak year was 1882.
Is Watt a boy's name?
Watt is traditionally a masculine name, typically a diminutive of Walter.