What does Cian mean?
Cian means “ancient” or “enduring” in Irish.
What does Tadhg mean?
Tadhg means “poet” or “philosopher” in Irish.
Cian vs Tadhg
Which is more popular?
Cian is more popular than Tadhg today: about 148 US babies were given the name Cian in 2025, compared with 30 named Tadhg.
| Cian | Tadhg | |
|---|---|---|
| Meaning | Ancient, enduring | Poet |
| Origin | Irish | Irish |
| Gender | Boy | Boy |
| Pronunciation | KEE-un | TYGE |
| Syllables | 2 | 1 |
| First appeared | 1976 | 1992 |
| Peak year | 2007 (181) | 2023 (46) |
| In 2025 | 148 | 30 |
| Trend | Steady | Rising |
Popularity over time, 1880–2025
Cian
Tadhg
Source: US Social Security Administration.
Births by decade
| Decade | Cian | Tadhg |
|---|---|---|
| 2020s | 793 | 233 |
| 2010s | 1,413 | 214 |
| 2000s | 1,184 | 126 |
| 1990s | 260 | 40 |
| 1980s | 59 | 0 |
| 1970s | 15 | 0 |
Frequently asked questions
Is Cian or Tadhg more popular?
Cian is more popular than Tadhg today: about 148 US babies were given the name Cian in 2025, compared with 30 named Tadhg.
What is the difference between Cian and Tadhg?
Cian means Ancient, enduring (Irish origin), while Tadhg means Poet (Irish origin).
Which name is older, Cian or Tadhg?
In US records, Cian first appears in 1976 and Tadhg in 1992, so Cian has the longer recorded history.