MallowbyNames

Caswell

KAZ-wel · From a surname meaning 'watercress spring' in Old English.

2025 rank (boys)
#10,695
Babies named in 2025
6
Peak popularity
1882
2025 frequency
1 in 284,679 boys
Usually for
Boys
Trend
Holding steady

Holding steady, #10,695 for boys today.

Popularity of Caswell since 1882

Babies named Caswell per year in U.S. Social Security records. Raw births topped out in 1923, but relative to how few babies were recorded back then, Caswell's real moment was 1882.

5914192019602000Most births 1923Boys
Data table (by decade)
DecadeBoys
1880s5
1890s0
1900s0
1910s32
1920s83
1930s19
1940s43
1950s26
1960s6
1970s6
1980s0
1990s17
2000s25
2010s31
2020s40

Meaning & origin

Caswell is a rare English name derived from a surname, with roots meaning 'watercress spring.' It first appeared in U.S. records in 1882, the same year it reached its peak rank of 10,695. Since then, it has remained consistently obscure, with no recorded trajectory changes. Its top states are not documented, suggesting very scattered usage. As a given name, Caswell carries a surname-like, traditional feel, typical of the late 1800s fashion for using family names as first names. Given its steady but minimal presence, Caswell appeals to parents seeking a distinctive yet historically grounded choice.

Caswell is an English surname transferred to given name use, derived from a place name meaning 'watercress spring' (Old English 'cærse' watercress + 'well(a)' spring). It originated as a locational surname for someone living near such a spring. As a given name, it saw modest use in the late 19th and early 20th centuries, particularly in the United States.

Nicknames & variants

Nicknames: Cas

Sibling names for Caswell

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

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

C is for Caswell, our favorite little boy.

C is for Caswell…”

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

Make Caswell's book

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

Questions parents ask

What does the name Caswell mean?
Caswell means 'watercress spring' from Old English elements.
How popular is the name Caswell?
Caswell is very rare. As of 2025, it ranked 10,695th in the U.S., with an estimated 1 in 284,679 newborns given the name.
Is Caswell a boy or girl name?
Caswell is almost exclusively used as a boy's name.