Is Gillian a boy or girl name?
Gillian is a girl name in the US. In 2024, 51 girls and 0 boys were named Gillian, so 100% were girls. Across 1880–2024, 99.6% of the 16,079 US babies named Gillian were girls.
- Boy rank, 2024
- Not ranked
- Girl rank, 2024
- #3,124
- Babies named Gillian since 1922
- 16,079
- Most popular year
- 1999
- 1,030 babies
Boys and girls named Gillian, by decade
| Decade | Boys | Girls | Share girls |
|---|---|---|---|
| 1920s | 0 | 5 | 100% |
| 1930s | 0 | 12 | 100% |
| 1940s | 0 | 128 | 100% |
| 1950s | 0 | 234 | 100% |
| 1960s | 0 | 758 | 100% |
| 1970s | 8 | 1,329 | 99.4% |
| 1980s | 15 | 2,384 | 99.4% |
| 1990s | 20 | 4,152 | 99.5% |
| 2000s | 14 | 5,489 | 99.7% |
| 2010s | 11 | 1,263 | 99.1% |
| 2020s | 0 | 257 | 100% |
Every year
| Year | Boys | Boy rank | Girls | Girl rank |
|---|---|---|---|---|
| 2024 | 0 | – | 51 | #3,124 |
| 2023 | 0 | – | 51 | #3,193 |
| 2022 | 0 | – | 52 | #3,135 |
| 2021 | 0 | – | 51 | #3,172 |
| 2020 | 0 | – | 52 | #3,068 |
| 2019 | 0 | – | 59 | #2,833 |
| 2018 | 0 | – | 88 | #2,151 |
| 2017 | 0 | – | 81 | #2,288 |
| 2016 | 6 | #11,190 | 105 | #1,914 |
| 2015 | 0 | – | 120 | #1,745 |
| 2014 | 0 | – | 125 | #1,686 |
| 2013 | 0 | – | 120 | #1,730 |
| 2012 | 0 | – | 166 | #1,392 |
| 2011 | 0 | – | 188 | #1,267 |
| 2010 | 5 | #12,915 | 211 | #1,154 |
| 2009 | 0 | – | 251 | #1,037 |
| 2008 | 0 | – | 339 | #835 |
| 2007 | 0 | – | 366 | #790 |
| 2006 | 8 | #8,995 | 362 | #759 |
| 2005 | 0 | – | 420 | #661 |
| 2004 | 0 | – | 513 | #556 |
| 2003 | 0 | – | 638 | #466 |
| 2002 | 0 | – | 761 | #388 |
| 2001 | 0 | – | 863 | #348 |
| 2000 | 6 | #9,506 | 976 | #325 |
| 1999 | 8 | #7,392 | 1,022 | #303 |
| 1998 | 0 | – | 890 | #331 |
| 1997 | 0 | – | 659 | #396 |
| 1996 | 0 | – | 379 | #604 |
| 1995 | 0 | – | 221 | #871 |
| 1994 | 0 | – | 162 | #1,105 |
| 1993 | 0 | – | 176 | #1,046 |
| 1992 | 0 | – | 197 | #971 |
| 1991 | 5 | #8,663 | 208 | #925 |
| 1990 | 7 | #6,681 | 238 | #822 |
| 1989 | 0 | – | 263 | #748 |
| 1988 | 10 | #4,551 | 281 | #684 |
| 1987 | 0 | – | 265 | #694 |
| 1986 | 0 | – | 209 | #804 |
| 1985 | 0 | – | 234 | #738 |
| 1984 | 0 | – | 255 | #671 |
| 1983 | 0 | – | 227 | #728 |
| 1982 | 5 | #6,705 | 255 | #688 |
| 1981 | 0 | – | 222 | #745 |
| 1980 | 0 | – | 173 | #886 |
| 1979 | 0 | – | 174 | #878 |
| 1978 | 8 | #4,296 | 175 | #847 |
| 1977 | 0 | – | 162 | #885 |
| 1976 | 0 | – | 95 | #1,195 |
| 1975 | 0 | – | 100 | #1,155 |
| 1974 | 0 | – | 110 | #1,074 |
| 1973 | 0 | – | 139 | #899 |
| 1972 | 0 | – | 128 | #951 |
| 1971 | 0 | – | 121 | #1,021 |
| 1970 | 0 | – | 125 | #998 |
| 1969 | 0 | – | 127 | #946 |
| 1968 | 0 | – | 116 | #959 |
| 1967 | 0 | – | 84 | #1,159 |
| 1966 | 0 | – | 83 | #1,175 |
| 1965 | 0 | – | 82 | #1,190 |
| 1964 | 0 | – | 70 | #1,346 |
| 1963 | 0 | – | 61 | #1,430 |
| 1962 | 0 | – | 65 | #1,377 |
| 1961 | 0 | – | 51 | #1,583 |
| 1960 | 0 | – | 19 | #2,846 |
| 1959 | 0 | – | 35 | #1,896 |
| 1958 | 0 | – | 25 | #2,280 |
| 1957 | 0 | – | 31 | #1,964 |
| 1956 | 0 | – | 26 | #2,168 |
| 1955 | 0 | – | 29 | #1,994 |
| 1954 | 0 | – | 16 | #2,812 |
| 1953 | 0 | – | 19 | #2,457 |
| 1952 | 0 | – | 16 | #2,717 |
| 1951 | 0 | – | 19 | #2,339 |
| 1950 | 0 | – | 18 | #2,377 |
| 1949 | 0 | – | 23 | #2,031 |
| 1948 | 0 | – | 19 | #2,280 |
| 1947 | 0 | – | 22 | #2,104 |
| 1946 | 0 | – | 11 | #3,102 |
| 1945 | 0 | – | 13 | #2,515 |
| 1944 | 0 | – | 7 | #3,834 |
| 1943 | 0 | – | 10 | #3,120 |
| 1942 | 0 | – | 7 | #3,879 |
| 1941 | 0 | – | 9 | #3,098 |
| 1940 | 0 | – | 7 | #3,634 |
| 1939 | 0 | – | 0 | – |
| 1938 | 0 | – | 6 | #4,021 |
| 1937 | 0 | – | 6 | #3,982 |
| 1936 | 0 | – | 0 | – |
| 1935 | 0 | – | 0 | – |
| 1934 | 0 | – | 0 | – |
| 1933 | 0 | – | 0 | – |
| 1932 | 0 | – | 0 | – |
| 1931 | 0 | – | 0 | – |
| 1930 | 0 | – | 0 | – |
| 1929 | 0 | – | 0 | – |
| 1928 | 0 | – | 0 | – |
| 1927 | 0 | – | 0 | – |
| 1926 | 0 | – | 0 | – |
| 1925 | 0 | – | 0 | – |
| 1924 | 0 | – | 0 | – |
| 1923 | 0 | – | 0 | – |
| 1922 | 0 | – | 5 | #5,306 |
Highest rank
As a boy name, Gillian reached #4,296 in 1978. As a girl name, it reached #303 in 1999. Ranks count every name SSA published for that year and sex, so they go well past the top 1,000.
Names from the same era
These names were also most popular in the 1990s, with a similar number of babies. They can work as sibling or middle names that feel like they belong together.
Names spelled like Gillian
Source: US Social Security Administration baby name data, 1880–2024. Counts are Social Security card applications for US births; SSA leaves out names given to fewer than 5 babies in a year. Updated 2026-10-05. How these numbers are made.