Séamus

Séamus is a boy's name of Irish and Celtic origin meaning “to follow, to be behind.” In 2024 it was given to 125 boys in the United States.

Séamus at a glance

Gender
Boy name
Origin
Irish & Celtic
Meaning
“to follow, to be behind”
Also spelled
Iacobus

About the name Séamus

Séamus belongs to the Irish & Celtic tradition. Its meaning — “to follow, to be behind” — is the sense carried by its Irish and Celtic roots, and it is the meaning we verified against published sources for this page. It travels in a few spellings: Iacobus.

In the United States, Séamus first appears in Social Security records in 1957. It climbed to its best-ever rank of #735 in 2003, and in 2024 125 babies received the name — 7,656 in total since 1880. Those are the official counts, not estimates.

Séamus in US records

First recorded (US)
1957
Best US rank
#735 in 2003
Peak year
2008
Babies named Séamus in 2024
125
Total since 1880
7,656

Séamus in England & Wales records

First recorded (since 1996)
1996
Best rank
#470 in 1998
Babies named Séamus in 2025
17
Total since 1996
926

Spellings & short forms

Iacobus

Similar names

More names from the Irish & Celtic shelf:

Frequently asked questions

What does the name Séamus mean?

Séamus means “to follow, to be behind” in its Irish and Celtic roots. We check every meaning against published sources before it appears here.

Is Séamus a boy or girl name?

Séamus is a boy name. In 2024, 125 babies received the name in the US.

What origin is the name Séamus?

Séamus comes from the Irish & Celtic tradition. It is also spelled Iacobus.

How popular is the name Séamus?

Séamus first appears in US records in 1957. Its best-ever ranking was #735 in 2003, and 125 babies were given the name in 2024.

Share this name

Put the Séamus name card on your own site or blog — free, with the code below. It keeps a small credit link back to this page.

<iframe src="https://namepetal.com/embed/seamus/" width="100%" height="330" style="border:0;max-width:460px" loading="lazy" title="Séamus name card — NamePetal"></iframe>

Card by NamePetal.

Meaning and origin for this page were checked against this source. US popularity figures are from the Social Security Administration's public baby-names data. England & Wales figures are from the Office for National Statistics. If you spot an error, write to [email protected] — accuracy is the whole point of this site, and corrections are made fast.