Home › Baby Names Directory › Shamus

Shamus

♂ Boy

Pronounced SHAY-mus /ˈʃeɪ.məs/Medium

Meaning: An Anglicized spelling of the Irish Seamus, itself the Irish form of James, from the Hebrew Jacob, 'supplanter; one who follows'. (Also, in older U.S. slang, 'shamus' meant a private detective, noted honestly.)Low

In 30 seconds: An Irish classic in plain spelling: Shamus is Seamus (James), 'supplanter' (said 'SHAY-mus'). Warm and rooted.

💕 Browse more names

Origin MediumIrish, Hebrew

MeaningAn Anglicized spelling of the Irish Seamus, itself the Irish form of James, from the Hebrew Jacob, 'supplanter; one who follows'. (Also, in older U.S. slang, 'shamus' meant a private detective, noted honestly.)

U.S. rank (2023)#8805 ↗ Rising

2023 U.S. births9 boys (0.00% of U.S. boys)

Peak year2007

Total births (all-time)≈ 1,768

Popularity in the U.S. · SSA data

U.S. births per year (Social Security Administration, 1880–present). Pink marker = peak year.

SSA data updated May 2026. How we source & verify this data.

History & Origin

Shamus is an Anglicized spelling of Seamus (James), from Hebrew Jacob, 'supplanter'. It reads warm and Irish — rare in the U.S. (said 'SHAY-mus').

It appears only rarely in the U.S. Rare, warm, and Irish at heart.

Did you know? Shamus is the Anglicized Seamus, the Irish form of James, from Hebrew Jacob, 'supplanter'; older U.S. slang also used 'shamus' for a private detective, which we note honestly — a warm Irish classic (said 'SHAY-mus').

Overall data confidence 50%

References — Shamus — Anglicized Seamus (James); Hebrew Jacob 'supplanter'

Variations

SeamusShaymusJames

Nicknames

ShayShea

Famous Bearers

Famous bearers coming soon.

If you like Shamus…

Seamus— the Irish spelling it Anglicizes

James— the name behind it

Shane— a like Irish Sh- name

Finnegan— a like warm Irish pick

Explore names like Shamus

By themeclassic irish warm

By meaningTruth

All themes →All meanings →All origins →

Frequently Asked

What does the name Shamus mean?

Shamus is an Anglicized spelling of Seamus, the Irish form of James, from Hebrew Jacob, 'supplanter'.

How do you pronounce Shamus?

It's said SHAY-mus /ˈʃeɪ.məs/ — two syllables, stress on the first.

Is Shamus a boy or girl name?

Shamus is a boy's name.

How popular is Shamus?

Shamus is a rare name in the U.S.