Rising since 2008, #6,803 for boys today.
Popularity of Senan since 2001
Babies named Senan per year in U.S. Social Security records. Raw births topped out in 2018, but relative to how few babies were recorded back then, Senan's real moment was 2025.
Data table (by decade)
| Decade | Boys |
|---|---|
| 2000s | 20 |
| 2010s | 74 |
| 2020s | 48 |
Meaning & origin
Senan is a distinctly Irish name with deep historical roots, yet it remains a rare choice in the United States. First recorded in the U.S. in 2001, the name has been steadily climbing in usage, particularly since 2008, and reached its highest rank of 6,803 in 2025. That year, approximately 1 in 142,340 newborn boys received the name, reflecting its niche but growing appeal. While Senan does not appear among the top names in any state, its trajectory suggests a slow but persistent rise as parents seek authentic Irish heritage names outside the more common Liam and Finn. The name's association with Saint Senan adds a layer of religious and cultural significance, grounding it in centuries of Irish tradition.
Senan is derived from the Old Irish name Senán, a diminutive of sen meaning 'old, wise'. The name is associated with Saint Senan, a 6th-century Irish abbot and missionary who founded a monastery on Scattery Island. It has been used in Ireland for centuries, though it remains relatively rare.
“Senan” around the world
Where Senan lands in the latest official birth statistics abroad, matched to the U.S. spelling.
Ireland
#38
in 2025
Sources: CSO Ireland (Ireland).
Nicknames & variants
Sibling names for Senan
Names that share Senan's style, for a brother or sister.
