Declining since 2010, #8,860 for girls today.
Popularity of Teagen since 1985
Babies named Teagen per year in U.S. Social Security records.
Data table (by decade)
| Decade | Girls | Boys |
|---|---|---|
| 1980s | 12 | 0 |
| 1990s | 53 | 12 |
| 2000s | 223 | 348 |
| 2010s | 435 | 297 |
| 2020s | 127 | 74 |
Meaning & origin
Teagen entered the U.S. baby name charts in 1985, reflecting the late 20th-century trend of adopting Irish surnames as given names. The name reached its peak popularity in 2011, ranking 8,860th in 2025, with a 1 in 146,115 occurrence rate. Since 2010, its trajectory has been falling, indicating a gradual decline in use. Teagen remains a distinctive choice, appealing to parents seeking a name with Irish heritage. It is used for both genders, with a slight leaning toward girls in recent decades.
Teagen is an Anglicized form of the Irish surname Ó Tadhgáin, which derives from the personal name Tadhg, meaning 'poet' or 'philosopher'. The name has been used as a given name in the United States since the late 20th century, often for both boys and girls. Its rise in popularity coincides with the trend of using Irish surnames as first names.
Nicknames & variants
Nicknames: Tee, Teag, Gen
Sibling names for Teagen
Names that share Teagen's style, for a brother or sister.
