Portia is an established girls' name that peaked in 1989 and has since faded.
Portia is predominantly a girl name. In 2025 it ranked #7,803 for girl births in the United States (and #13,396 across all names), given to 14 babies. Portia was first reported in SSA data in 1882 and peaked in 1989 (259 births).
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2025 | 14 | 14 | #7,803 | — |
| 2024 | 20 | 20 | #6,107 | — |
| 2023 | 15 | 15 | #7,558 | — |
| 2022 | 8 | 8 | #11,983 | — |
| 2021 | 7 | 7 | #13,166 | — |
| 2020 | 21 | 21 | #5,806 | — |
| 2019 | 27 | 27 | #5,006 | — |
| 2018 | 21 | 21 | #5,958 | — |
| 2017 | 26 | 26 | #5,149 | — |
| 2016 | 29 | 29 | #4,816 | — |
| 2015 | 42 | 42 | #3,691 | — |
| 2014 | 52 | 52 | #3,177 | — |
| 2013 | 55 | 55 | #3,036 | — |
| 2012 | 52 | 52 | #3,201 | — |
| 2011 | 65 | 65 | #2,719 | — |
| 2010 | 52 | 52 | #3,192 | — |
| 2009 | 52 | 52 | #3,238 | — |
| 2008 | 45 | 45 | #3,632 | — |
| 2007 | 65 | 65 | #2,815 | — |
| 2006 | 57 | 57 | #3,011 | — |
| 2005 | 67 | 67 | #2,570 | — |
| 2004 | 72 | 72 | #2,389 | — |
| 2003 | 72 | 72 | #2,336 | — |
| 2002 | 87 | 87 | #2,014 | — |
| 2001 | 100 | 100 | #1,793 | — |
| 2000 | 95 | 95 | #1,825 | — |
| 1999 | 70 | 70 | #2,176 | — |
| 1998 | 49 | 49 | #2,749 | — |
| 1997 | 69 | — | #2,066 | — |
| 1996 | 70 | — | #2,012 | — |
| 1995 | 81 | — | #1,784 | — |
| 1994 | 106 | — | #1,491 | — |
| 1993 | 147 | — | #1,183 | — |
| 1992 | 168 | — | #1,081 | — |
| 1991 | 196 | — | #964 | — |
| 1990 | 234 | — | #843 | — |
| 1989 | 267 | — | #758 | #6,078 |
| 1988 | 255 | — | #739 | — |
| 1987 | 236 | — | #765 | — |
| 1986 | 234 | — | #746 | — |
| 1985 | 171 | — | #928 | — |
| 1984 | 168 | — | #891 | — |
| 1983 | 152 | — | #967 | — |
| 1982 | 127 | — | #1,115 | — |
| 1981 | 130 | — | #1,081 | — |
| 1980 | 132 | — | #1,073 | — |
| 1979 | 114 | — | #1,165 | — |
| 1978 | 118 | — | #1,110 | — |
| 1977 | 96 | — | #1,255 | — |
| 1976 | 79 | — | #1,368 | — |
| 1975 | 76 | — | #1,397 | — |
| 1974 | 96 | — | #1,175 | — |
| 1973 | 118 | — | #1,006 | — |
| 1972 | 117 | — | #1,010 | — |
| 1971 | 128 | — | #987 | — |
| 1970 | 114 | — | #1,072 | — |
| 1969 | 119 | — | #993 | — |
| 1968 | 82 | — | #1,206 | — |
| 1967 | 129 | — | #904 | — |
| 1966 | 122 | — | #917 | — |
| 1965 | 152 | — | #806 | — |
| 1964 | 129 | — | #925 | — |
| 1963 | 146 | — | #869 | — |
| 1962 | 136 | — | #908 | — |
| 1961 | 165 | — | #820 | — |
| 1960 | 144 | — | #864 | — |
| 1959 | 116 | — | #987 | — |
| 1958 | 128 | — | #910 | — |
| 1957 | 150 | — | #830 | — |
| 1956 | 134 | — | #864 | — |
| 1955 | 170 | — | #728 | — |
| 1954 | 169 | — | #711 | — |
| 1953 | 148 | — | #751 | — |
| 1952 | 143 | — | #744 | — |
| 1951 | 197 | — | #612 | — |
| 1950 | 190 | — | #607 | — |
| 1949 | 199 | — | #590 | — |
| 1948 | 169 | — | #642 | — |
| 1947 | 150 | — | #690 | — |
| 1946 | 155 | — | #634 | — |
| 1945 | 115 | — | #696 | — |
| 1944 | 104 | — | #749 | — |
| 1943 | 156 | — | #604 | — |
| 1942 | 143 | — | #629 | — |
| 1941 | 89 | — | #767 | — |
| 1940 | 47 | — | #1,059 | — |
| 1939 | 22 | — | #1,674 | — |
| 1938 | 32 | — | #1,311 | — |
| 1937 | 29 | — | #1,382 | — |
| 1936 | 31 | — | #1,312 | — |
| 1935 | 25 | — | #1,506 | — |
| 1934 | 26 | — | #1,473 | — |
| 1933 | 17 | — | #1,958 | — |
| 1932 | 26 | — | #1,512 | — |
| 1931 | 27 | — | #1,451 | — |
| 1930 | 37 | — | #1,248 | — |
| 1929 | 35 | — | #1,277 | — |
| 1928 | 32 | — | #1,388 | — |
| 1927 | 37 | — | #1,327 | — |
| 1926 | 46 | — | #1,130 | — |
| 1925 | 33 | — | #1,437 | — |
| 1924 | 33 | — | #1,469 | — |
| 1923 | 37 | — | #1,298 | — |
| 1922 | 31 | — | #1,500 | — |
| 1921 | 44 | — | #1,164 | — |
| 1920 | 45 | — | #1,129 | — |
| 1919 | 36 | — | #1,292 | — |
| 1918 | 44 | — | #1,119 | — |
| 1917 | 37 | — | #1,203 | — |
| 1916 | 33 | — | #1,270 | — |
| 1915 | 34 | — | #1,186 | — |
| 1914 | 27 | — | #1,196 | — |
| 1913 | 22 | — | #1,219 | — |
| 1912 | 20 | — | #1,208 | — |
| 1911 | 14 | — | #1,283 | — |
| 1910 | 16 | — | #1,157 | — |
| 1909 | 8 | — | #1,732 | — |
| 1908 | 10 | — | #1,420 | — |
| 1907 | 11 | — | #1,271 | — |
| 1906 | 8 | — | #1,526 | — |
| 1905 | 10 | — | #1,287 | — |
| 1904 | 8 | — | #1,457 | — |
| 1903 | 7 | — | #1,555 | — |
| 1902 | 10 | — | #1,196 | — |
| 1901 | 7 | — | #1,442 | — |
| 1900 | 26 | — | #721 | — |
| 1899 | 8 | — | #1,265 | — |
| 1898 | 12 | — | #1,039 | — |
| 1896 | 11 | — | #1,034 | — |
| 1895 | 7 | — | #1,401 | — |
| 1894 | 9 | — | #1,119 | — |
| 1890 | 5 | — | #1,494 | — |
| 1887 | 7 | — | #1,018 | — |
| 1886 | 6 | — | #1,081 | — |
| 1882 | 5 | — | #1,006 | — |