Seamus

Did you know?

A few things about Seamus you might not know, from US birth records and Wikipedia. Handy for convincing a partner, or a grandparent.

⭐ Famous Seamus

Seamus Heaney

Irish poet, playwright, translator, lecturer (1939–2013)

Choose Seamus and your child shares a first name with Seamus Heaney, an Irish poet, playwright, translator, lecturer. A ready-made answer when someone asks “Seamus, like who?” Seamus Heaney's Wikipedia article is available in 106 languages, a good sign of just how widely known they are.

Read about Seamus Heaney on Wikipedia ↗ (opens in a new tab)

Photo: Sean O'Connor, cropped by Sabahrat, Public domain (opens in a new tab), via Wikimedia Commons

• 👶How commonAbout 1 in every 11,086 baby boys born in the US in 2025 was named Seamus, 154 babies in all. In a typical school of 500 kids, your Seamus would very likely be the only one.
• 📜HistorySeamus first shows up in US birth records in 1957, the first year at least 5 babies got it. It has been in use for 68 years since.
• 🏆Best yearIts best year was 2003, when it reached #734.
• 🍂TrendSeamus has slipped 82 places over the last five years and now sits at #1,276. Good news if you want a familiar name that fewer kids will share.
• 📍Where it's lovedSeamus is most popular in Massachusetts, where it ranks #289, followed by Pennsylvania (#546) and Missouri (#709). It's in the top 1,000 in 9 states.
• 💬MeaningSeamus is an Irish form of James, which means “supplanter”. Our records link it to Celtic, Gaelic and Irish roots.

About the name Seamus

Seamus is a boy name of Celtic, Gaelic and Irish origin meaning “supplanter”. It has 6 letters and 2 syllables, starting with S and ending in “-mus”. US birth records list Seamus for boys from 1957 to 2025, in 69 of those 69 years. Its best year was 2003, when it ranked #734 among boy names. In 2025 it ranked #1,276, with 154 babies.

Origin:Celtic namesGaelic namesIrish names