The baby name Seamus appears in baby name data for the United States from 1964 to 2024. It was most popular in 2008 with 270 babies given the name.
In the later years of this period, Seamus has become more popular compared with earlier years.
| Year | Count |
|---|---|
| 1964 | 7 |
| 1965 | 6 |
| 1968 | 5 |
| 1971 | 5 |
| 1974 | 15 |
| 1975 | 13 |
| 1976 | 11 |
| 1977 | 16 |
| 1978 | 9 |
| 1979 | 6 |
| 1980 | 7 |
| 1981 | 15 |
| 1982 | 14 |
| 1983 | 5 |
| 1984 | 8 |
| 1985 | 15 |
| 1986 | 15 |
| 1987 | 21 |
| 1988 | 18 |
| 1989 | 18 |
| 1990 | 45 |
| 1991 | 35 |
| 1992 | 26 |
| 1993 | 54 |
| 1994 | 56 |
| 1995 | 75 |
| 1996 | 80 |
| 1997 | 113 |
| 1998 | 121 |
| 1999 | 157 |
| 2000 | 130 |
| 2001 | 131 |
| 2002 | 154 |
| 2003 | 190 |
| 2004 | 192 |
| 2005 | 223 |
| 2006 | 197 |
| 2007 | 230 |
| 2008 | 270 |
| 2009 | 240 |
| 2010 | 187 |
| 2011 | 224 |
| 2012 | 247 |
| 2013 | 187 |
| 2014 | 216 |
| 2015 | 171 |
| 2016 | 205 |
| 2017 | 163 |
| 2018 | 138 |
| 2019 | 148 |
| 2020 | 92 |
| 2021 | 94 |
| 2022 | 84 |
| 2023 | 106 |
| 2024 | 65 |