MallowbyNames

Shamus

SHAY-mus · supplanter; derived from James

2025 rank (boys)
#8,243
Babies named in 2025
9
Peak popularity
2007
2025 frequency
1 in 189,786 boys
Usually for
Boys
Trend
Declining since 2007

Declining since 2007, #8,243 for boys today.

Popularity of Shamus since 1959

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

2448721960198020002020Most births 2007Boys
Data table (by decade)
DecadeBoys
1950s7
1960s38
1970s339
1980s280
1990s350
2000s502
2010s220
2020s42

Meaning & origin

Shamus is a distinctly Irish form of James, serving as an Anglicized version of Séamus. Despite its long history in Ireland, the name has never achieved widespread popularity in the United States. It first appeared in U.S. records in 1959 and reached its peak rank in 2007 at number 8,243. Since 2007, its use has been declining, reflecting a broader trend away from this particular spelling. In 2025, the name was still given to a small number of boys, with an estimated 1 in 189,786 receiving it. While not common, Shamus offers a direct connection to Irish heritage, similar to other Gaelic names like Declan or Finn.

Shamus is an Anglicized form of the Irish name Séamus, the Gaelic version of James. James itself comes from the Hebrew name Yaakov (Jacob), meaning 'supplanter.' Shamus has been used in Ireland and among the Irish diaspora since the 19th century, often as a given name or nickname.

Nicknames & variants

Nicknames: Shay

Variants: Seamus, Séamus, Shaymus

Sibling names for Shamus

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

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

S is for Shamus, our favorite little boy.

S is for Shamus…”

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

Make Shamus's book

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

Questions parents ask

What does the name Shamus mean?
Shamus means "supplanter," derived from James, which comes from the Hebrew name Jacob.
How popular is the name Shamus?
Shamus is very rare. In 2025, it ranked 8,243 and was given to about 1 in 189,786 boys.
Is Shamus a boy's or girl's name?
Shamus is traditionally a boy's name.