Popularity in Ireland
Numbers
| Ciaran (masculine) | |||
| Year | Rank | Times Used | |
| 2023 | - | - | |
| 2022 | - | - | |
| 2021 | - | - | |
| 2020 | - | - | |
| 2019 | - | - | |
| 2018 | - | - | |
| 2017 | #78 | 89 | |
| 2016 | #90 | 81 | |
| 2015 | #64 | 120 | |
| 2014 | #61 | 137 | |
| 2013 | #74 | 107 | |
| 2012 | #62 | 143 | |
| 2011 | #57 | 155 | |
| 2010 | #53 | 166 | |
| 2009 | #54 | 170 | |
| 2008 | #40 | 217 | |
| 2007 | #41 | 200 | |
| 2006 | #33 | 227 | |
| 2005 | #31 | 226 | |
| 2004 | #30 | 253 | |
| 2003 | #30 | 244 | |
| 2002 | #28 | 252 | |
| 2001 | #25 | 264 | |
| 2000 | #23 | 286 | |
| 1999 | #30 | 230 | |
| 1998 | #24 | 237 | |
| 1997 | #25 | 306 | |
| 1996 | #25 | 327 | |
| 1995 | #27 | 297 | |
| 1994 | #29 | 269 | |
| 1993 | #26 | 287 | |
| 1992 | #24 | 303 | |
| 1991 | #24 | 287 | |
| 1990 | #26 | 286 | |
| 1989 | #30 | 291 | |
| 1988 | #28 | 317 | |
| 1987 | #25 | 347 | |
| 1986 | #36 | 295 | |
| 1985 | #28 | 344 | |
| 1984 | #35 | 285 | |
| 1983 | #35 | 307 | |
| 1982 | #31 | 359 | |
| 1981 | #39 | 288 | |
| 1980 | #40 | 297 | |
| 1979 | #42 | 253 | |
| 1978 | #46 | 222 | |
| 1977 | #51 | 207 | |
| 1976 | #53 | 181 | |
| 1975 | #52 | 193 | |
| 1974 | #57 | 180 | |
| 1973 | #45 | 216 | |
| 1972 | #51 | 183 | |
| 1971 | #50 | 173 | |
| 1970 | #43 | 166 | |
| 1969 | #43 | 161 | |
| 1968 | #55 | 111 | |
| 1967 | #49 | 120 | |
| 1966 | #50 | 125 | |
| 1965 | #51 | 124 | |
| 1964 | #49 | 124 | |
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