Name meaning & stats
Seamus
Seamus means “supplanter” (Irish origin). 7,809 US babies since 1940, peak 2008.
What it means
“supplanter”
IrishForm of James
In US birth records
Peak year: 2008
7,809 US babies were named Seamus between 1940 and 2025.
Careers
Not enough notable people named Seamus (or its spelling family) to say anything reliable yet. That's a gap in the data, not the name.
Name twins (peaked around 2008)