Nicknames:
Shay.
Famous people named Seamus:
Poets Seamus Deane and Seamus Heaney; actors Seamus Dever and Seamus Davey-Fitzpatrick; cinematographer Seamus McGarvey.
Fun fact:
Seamus Finnigan is a character in J.K. Rowling's Harry Potter series.
More Inspiration:
150+ Boys Middle Names That Hit The Sweet Spot Of Unique And Traditional, Álainn! Irish Baby Names, Solid S Names For Baby Boys, Terrific Two-Syllable Boy Names,