Declining since 2011, #7,885 for girls today.
Popularity of Teaghan since 1993
Babies named Teaghan per year in U.S. Social Security records.
Data table (by decade)
| Decade | Girls | Boys |
|---|---|---|
| 1990s | 51 | 0 |
| 2000s | 342 | 26 |
| 2010s | 501 | 43 |
| 2020s | 175 | 7 |
Meaning & origin
Teaghan is a modern feminine name rooted in Irish heritage, first recorded in the United States in 1993. It peaked in popularity in 2011, after which it entered a period of decline. Despite its rarity, the name has maintained a consistent presence, ranking 7,885 as of 2025, with only about 1 in 123,636 girls receiving the name. Teaghan's sound aligns with the trend of Irish-inspired names like Teagan and Reagan, and its pronunciation is straightforward (TEE-gan). The name has not been associated with any prominent top states, indicating broad but sparse usage across the country. Its etymology traces back to the Irish surname Ó Tadhgáin, linking it to the ancient name Tadhg meaning 'poet'. For parents seeking a name that combines Celtic tradition with a contemporary feel, Teaghan offers a distinctive choice.
Teaghan likely derives from the Irish surname Ó Tadhgáin, meaning 'descendant of Tadhg'. Tadhg was an ancient Irish name meaning 'poet' or 'storyteller'. The name emerged in the late 20th century as a feminine given name, possibly influenced by similar names like Teagan and Reagan. It is considered a modern variant with traditional roots.
Nicknames & variants
Nicknames: Tea, Gan, T
Sibling names for Teaghan
Names that share Teaghan's style, for a brother or sister.

