Pronunciation
Shann-un
Meaning
Inspired by the River Shannon
Alternate spellings
Sionainn
Fun fact
The River Shannon is Ireland’s longest river. It lends its name to a town and an airport as well as to people, so the name is woven into the Irish landscape.
Popularity in Ireland
Figures for the spelling Shannon, 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.
#885Rank among girl names in 20253Babies 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 | 3 | #885 |
| 2024 | Less than 3 | - |
| 2023 | 6 | #555 |
| 2022 | 6 | #559 |
| 2021 | 6 | #586 |
| 2020 | 10 | #375 |
| 2019 | 10 | #395 |
| 2018 | 5 | #629 |
| 2017 | 15 | #301 |
| 2016 | 22 | #217 |
| 2015 | 23 | #222 |
| 2014 | 28 | #188 |
| 2013 | 33 | #172 |
| 2012 | 40 | #142 |
| 2011 | 55 | #116 |
| 2010 | 65 | #102 |
| 2009 | 75 | #94 |
| 2008 | 105 | #69 |
| 2007 | 93 | #71 |
| 2006 | 137 | #49 |
| 2005 | 107 | #56 |
| 2004 | 129 | #46 |
| 2003 | 114 | #52 |
| 2002 | 166 | #37 |
| 2001 | 191 | #29 |
| 2000 | 198 | #26 |
| 1999 | 246 | #19 |
| 1998 | 255 | #15 |
| 1997 | 385 | #14 |
| 1996 | 336 | #17 |
| 1995 | 384 | #11 |
| 1994 | 135 | #42 |
| 1993 | 115 | #52 |
| 1992 | 47 | #116 |
| 1991 | 24 | #180 |
| 1990 | 19 | #208 |
| 1989 | 8 | #332 |
| 1988 | 7 | #359 |
| 1987 | 6 | #386 |
| 1986 | 3 | #521 |
| 1985 | 8 | #348 |
| 1984 | Less than 3 | - |
| 1983 | Less than 3 | - |
| 1982 | 3 | #523 |
| 1981 | 7 | #363 |
| 1980 | 3 | #542 |
| 1979 | Less than 3 | - |
| 1978 | 3 | #522 |
| 1977 | Less than 3 | - |
| 1976 | 3 | #497 |
| 1975 | Less than 3 | - |
| 1974 | 3 | #490 |
| 1973 | Less than 3 | - |
| 1972 | Less than 3 | - |
| 1971 | Less than 3 | - |
| 1970 | Less than 3 | - |
| 1969 | Less than 3 | - |
| 1968 | Less than 3 | - |
| 1967 | Less than 3 | - |
| 1966 | Less than 3 | - |
| 1965 | Less than 3 | - |
| 1964 | Less than 3 | - |
Source: CSO, Irish Babies’ Names, tables VSA50 and VSA60. Latest year: 2025.