Primarily a boy's name · 90% boys
In Pythagorean numerology, every letter has a value from 1 to 9. Adding the letters of Theo yields these three numbers — a playful read on the name's character.
647% — the biggest ten-year gain in this batch, though the fifth batch's Lainey still holds the overall dataset record at 901%. Theo's own peak, on both fronts at once, landed in 2023: 4,137 births, #78 nationally, easing only slightly to 4,110 and #80 by 2024.
Just 35,340 US births total trace to this name since 1880 — a small enough base that the huge percentage growth makes more sense, the same shape seen in Thiago's and Lainey's own surges.
Two footballers, both under the accented spelling Théo, are the only entries in the enrichment data: Théo Hernandez and, oddly, 19th-century painter Théo van Rysselberghe.
Why did you choose this name — or what does it mean to you? Approved stories appear on this page.
→ See names similar to Theo · Compare Theo with another name → · Popular names of the 2020s · Boys names starting with T
Rank is among all boys' names registered that year.
| Year | Babies | Rank |
|---|---|---|
| 1880 | 9 | #680 |
| 1881 | 8 | #697 |
| 1882 | 12 | #573 |
| 1883 | 14 | #493 |
| 1884 | 7 | #839 |
| 1885 | 8 | #759 |
| 1886 | 8 | #751 |
| 1887 | 10 | #627 |
| 1888 | 9 | #750 |
| 1889 | 8 | #783 |
| 1890 | 12 | #599 |
| 1891 | 11 | #589 |
| 1892 | 9 | #789 |
| 1893 | 11 | #646 |
| 1894 | 12 | #624 |
| 1895 | 14 | #577 |
| 1896 | 12 | #670 |
| 1897 | 11 | #676 |
| 1898 | 16 | #537 |
| 1899 | 10 | #709 |
| 1900 | 14 | #696 |
| 1901 | 18 | #464 |
| 1902 | 24 | #425 |
| 1903 | 18 | #523 |
| 1904 | 27 | #407 |
| 1905 | 23 | #475 |
| 1906 | 17 | #585 |
| 1907 | 29 | #436 |
| 1908 | 34 | #412 |
| 1909 | 22 | #572 |
| 1910 | 35 | #472 |
| 1911 | 31 | #546 |
| 1912 | 50 | #572 |
| 1913 | 62 | #551 |
| 1914 | 81 | #554 |
| 1915 | 91 | #604 |
| 1916 | 96 | #596 |
| 1917 | 89 | #631 |
| 1918 | 87 | #665 |
| 1919 | 92 | #637 |
| 1920 | 97 | #645 |
| 1921 | 107 | #615 |
| 1922 | 109 | #619 |
| 1923 | 92 | #670 |
| 1924 | 97 | #656 |
| 1925 | 98 | #644 |
| 1926 | 104 | #618 |
| 1927 | 109 | #596 |
| 1928 | 92 | #657 |
| 1929 | 75 | #728 |
| 1930 | 90 | #653 |
| 1931 | 85 | #649 |
| 1932 | 76 | #719 |
| 1933 | 62 | #781 |
| 1934 | 55 | #852 |
| 1935 | 71 | #729 |
| 1936 | 73 | #697 |
| 1937 | 40 | #1,011 |
| 1938 | 64 | #769 |
| 1939 | 64 | #762 |
| 1940 | 38 | #1,063 |
| 1941 | 39 | #1,047 |
| 1942 | 45 | #1,003 |
| 1943 | 61 | #854 |
| 1944 | 44 | #988 |
| 1945 | 48 | #941 |
| 1946 | 43 | #1,057 |
| 1947 | 39 | #1,175 |
| 1948 | 47 | #1,034 |
| 1949 | 36 | #1,200 |
| 1950 | 41 | #1,122 |
| 1951 | 46 | #1,066 |
| 1952 | 41 | #1,165 |
| 1953 | 33 | #1,327 |
| 1954 | 30 | #1,405 |
| 1955 | 33 | #1,337 |
| 1956 | 39 | #1,230 |
| 1957 | 37 | #1,298 |
| 1958 | 35 | #1,320 |
| 1959 | 36 | #1,320 |
| 1960 | 42 | #1,225 |
| 1961 | 35 | #1,365 |
| 1962 | 26 | #1,585 |
| 1963 | 32 | #1,398 |
| 1964 | 39 | #1,260 |
| 1965 | 43 | #1,161 |
| 1966 | 23 | #1,647 |
| 1967 | 29 | #1,442 |
| 1968 | 24 | #1,643 |
| 1969 | 29 | #1,525 |
| 1970 | 28 | #1,654 |
| 1971 | 23 | #1,908 |
| 1972 | 26 | #1,765 |
| 1973 | 27 | #1,731 |
| 1974 | 32 | #1,579 |
| 1975 | 57 | #1,124 |
| 1976 | 58 | #1,122 |
| 1977 | 51 | #1,248 |
| 1978 | 46 | #1,368 |
| 1979 | 38 | #1,565 |
| 1980 | 36 | #1,651 |
| 1981 | 31 | #1,859 |
| 1982 | 33 | #1,768 |
| 1983 | 27 | #2,011 |
| 1984 | 23 | #2,285 |
| 1985 | 76 | #1,063 |
| 1986 | 85 | #1,006 |
| 1987 | 75 | #1,112 |
| 1988 | 77 | #1,153 |
| 1989 | 77 | #1,227 |
| 1990 | 66 | #1,382 |
| 1991 | 61 | #1,466 |
| 1992 | 59 | #1,522 |
| 1993 | 50 | #1,739 |
| 1994 | 54 | #1,688 |
| 1995 | 56 | #1,646 |
| 1996 | 53 | #1,762 |
| 1997 | 62 | #1,645 |
| 1998 | 63 | #1,664 |
| 1999 | 76 | #1,502 |
| 2000 | 101 | #1,289 |
| 2001 | 84 | #1,471 |
| 2002 | 98 | #1,355 |
| 2003 | 109 | #1,295 |
| 2004 | 133 | #1,178 |
| 2005 | 139 | #1,154 |
| 2006 | 156 | #1,120 |
| 2007 | 191 | #1,012 |
| 2008 | 188 | #1,022 |
| 2009 | 187 | #1,033 |
| 2010 | 221 | #918 |
| 2011 | 245 | #863 |
| 2012 | 287 | #790 |
| 2013 | 364 | #663 |
| 2014 | 550 | #509 |
| 2015 | 765 | #406 |
| 2016 | 952 | #354 |
| 2017 | 1,232 | #290 |
| 2018 | 1,554 | #243 |
| 2019 | 2,018 | #195 |
| 2020 | 2,225 | #172 |
| 2021 | 2,703 | #142 |
| 2022 | 3,639 | #98 |
| 2023 | 4,137 | #78 |
| 2024 | 4,110 | #80 |
