Pronunciation
Sen-un
Meaning
Old, wise
Fun fact
Saint Senan gives this name a connection to early Irish Christianity. Senan and Senán offer different rhythms: Sen-un and Seh-nawn.
Popularity in Ireland
Figures for the spelling Senan, Republic of Ireland.
The CSO only publishes names given to three or more babies in a year. “Less than 3” means zero, one or two babies, and these years appear as gaps on the graph.
#38Rank among boy names in 2025126Babies registered in 2025
Number of babies registered each year
From 2018, spellings with and without fadas are counted separately. Earlier figures group these spellings together, so the graph has a break at 2018.
View yearly figures
| Year | Babies named | Rank |
|---|---|---|
| 2025 | 126 | #38 |
| 2024 | 99 | #59 |
| 2023 | 72 | #83 |
| 2022 | 108 | #59 |
| 2021 | 120 | #56 |
| 2020 | 118 | #51 |
| 2019 | 160 | #41 |
| 2018 | 114 | #59 |
| 2017 | 125 | #57 |
| 2016 | 128 | #58 |
| 2015 | 136 | #56 |
| 2014 | 140 | #60 |
| 2013 | 147 | #58 |
| 2012 | 126 | #65 |
| 2011 | 121 | #67 |
| 2010 | 103 | #74 |
| 2009 | 96 | #85 |
| 2008 | 97 | #85 |
| 2007 | 72 | #101 |
| 2006 | 65 | #95 |
| 2005 | 54 | #106 |
| 2004 | 48 | #113 |
| 2003 | 25 | #156 |
| 2002 | 14 | #204 |
| 2001 | 10 | #226 |
| 2000 | 8 | #236 |
| 1999 | 8 | #222 |
| 1998 | 8 | #222 |
| 1997 | 17 | #174 |
| 1996 | 10 | #223 |
| 1995 | 11 | #206 |
| 1994 | 5 | #263 |
| 1993 | 8 | #223 |
| 1992 | 4 | #298 |
| 1991 | 3 | #324 |
| 1990 | 4 | #286 |
| 1989 | 6 | #232 |
| 1988 | 6 | #235 |
| 1987 | 6 | #235 |
| 1986 | 8 | #217 |
| 1985 | 9 | #202 |
| 1984 | 9 | #205 |
| 1983 | 6 | #237 |
| 1982 | 4 | #286 |
| 1981 | 6 | #246 |
| 1980 | 6 | #252 |
| 1979 | 5 | #269 |
| 1978 | 4 | #283 |
| 1977 | 6 | #253 |
| 1976 | 7 | #232 |
| 1975 | 9 | #216 |
| 1974 | 10 | #208 |
| 1973 | 7 | #238 |
| 1972 | 5 | #254 |
| 1971 | 6 | #242 |
| 1970 | 7 | #219 |
| 1969 | 7 | #216 |
| 1968 | 4 | #243 |
| 1967 | 5 | #222 |
| 1966 | 4 | #229 |
| 1965 | 4 | #222 |
| 1964 | 6 | #191 |
Source: CSO, Irish Babies’ Names, tables VSA50 and VSA60. Latest year: 2025.