Thomas
Meaning: Twin — balanced spirit of wisdom and curiosity
Origin: Aramaic — from Toma (תּוֹמָא), meaning twin
Gender: Boy
Rank in Ireland: #6
Total births: 36,737
History: Thomas has been a staple of Irish naming since the Anglo-Norman period, carried by Thomas Francis Meagher who designed the Irish tricolour flag. The great Irish poet Thomas Moore wrote 'The Last Rose of Summer' and Irish Melodies in the early 19th century. Thomas Clarke was the first signatory of the 1916 Proclamation. In rural Ireland, particularly in Leinster and Munster, Thomas appeared in nearly every parish register for generations.
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Look at the data
Every number here comes directly from Ireland’s birth records. No estimates, no averages — just the counts.
| Current rank (2025) | #16 |
| Babies named Thomas in 2025 | 211 |
| Total recorded in Ireland | 36,737 |
| Peak year | 1965 (1,367 babies) |
| Highest rank ever | #5 |
| Years in records | 1964–2025 (62 years of data) |
| Change over last 5 years | ↑ 3 spots |
Frequently asked about Thomas
What does the name Thomas mean?
Thomas means “Twin — balanced spirit of wisdom and curiosity” from Aramaic — from Toma (תּוֹמָא), meaning twin roots.
What is the origin of the name Thomas?
Thomas has Aramaic — from Toma (תּוֹמָא), meaning twin origin. The traditional meaning is “Twin — balanced spirit of wisdom and curiosity”.
How popular is Thomas in Ireland?
Thomas ranked #16 in Ireland in 2025 — given to 211 babies that year.
When was Thomas most popular?
Thomas peaked in 1965 with 1,367 babies registered that year in Ireland.
Is Thomas a boy or girl name?
Thomas is predominantly a boys' name in Ireland — over 90% of Thomass in registered births are male.
How long has Thomas been recorded in Ireland?
Thomas appears in birth records in Ireland across 62 years — from 1964 through 2025.