Theo
#5,722 for girls in 2025, 21 births · #82 for boys in 2025, 3,945 births
Given to boys 91.1% of the time
- Peak · boys
- 2023 · 4,140 births
- Debut · boys
- 9 births
- In top 100 · boys
- 4 yrsof 146 years
- Total births · boys
- 35,830since 1880
Theo over time
Rank within each sex, plotted together. Click any year to open it.
Gaps mean fewer than 5 babies received the name that year, so the SSA doesn't publish it.
Show data table
| Year | girls | boys | ||
|---|---|---|---|---|
| rank | births | rank | births | |
| 2025 | #5,722 | 21 | #82 | 3,945 |
| 2024 | #4,473 | 31 | #80 | 4,129 |
| 2023 | #3,640 | 42 | #78 | 4,140 |
| 2022 | #3,220 | 50 | #98 | 3,642 |
| 2021 | #2,674 | 64 | #142 | 2,703 |
| 2020 | #3,450 | 44 | #172 | 2,225 |
| 2019 | #4,437 | 31 | #195 | 2,018 |
| 2018 | #12,464 | 7 | #243 | 1,554 |
| 2017 | #12,713 | 7 | #290 | 1,232 |
| 2016 | #9,411 | 11 | #354 | 952 |
| 2015 | — | #405 | 765 | |
| 2014 | — | #509 | 550 | |
| 2013 | — | #663 | 365 | |
| 2012 | — | #790 | 287 | |
| 2011 | — | #863 | 245 | |
| 2010 | — | #914 | 221 | |
| 2009 | — | #1,032 | 187 | |
| 2008 | — | #1,019 | 188 | |
| 2007 | — | #1,012 | 191 | |
| 2006 | — | #1,116 | 156 | |
| 2005 | — | #1,150 | 139 | |
| 2004 | — | #1,172 | 133 | |
| 2003 | — | #1,291 | 109 | |
| 2002 | #15,432 | 5 | #1,346 | 98 |
| 2001 | — | #1,460 | 84 | |
| 2000 | — | #1,282 | 101 | |
| 1999 | — | #1,489 | 76 | |
| 1998 | — | #1,642 | 63 | |
| 1997 | — | #1,628 | 62 | |
| 1996 | — | #1,740 | 53 | |
| 1995 | — | #1,623 | 56 | |
| 1994 | — | #1,664 | 54 | |
| 1993 | — | #1,721 | 50 | |
| 1992 | — | #1,510 | 59 | |
| 1991 | #13,147 | 5 | #1,452 | 61 |
| 1990 | — | #1,370 | 66 | |
| 1989 | — | #1,219 | 77 | |
| 1988 | — | #1,145 | 77 | |
| 1987 | — | #1,106 | 75 | |
| 1986 | — | #1,003 | 85 | |
| 1985 | — | #1,057 | 76 | |
| 1984 | — | #2,232 | 23 | |
| 1983 | — | #1,955 | 27 | |
| 1982 | — | #1,734 | 33 | |
| 1981 | — | #1,811 | 31 | |
| 1980 | — | #1,619 | 36 | |
| 1979 | #9,010 | 6 | #1,532 | 38 |
| 1978 | — | #1,352 | 46 | |
| 1977 | — | #1,245 | 51 | |
| 1976 | — | #1,111 | 58 | |
| 1975 | #7,984 | 6 | #1,114 | 57 |
| 1974 | — | #1,546 | 32 | |
| 1973 | — | #1,696 | 27 | |
| 1972 | — | #1,721 | 26 | |
| 1971 | — | #1,862 | 23 | |
| 1970 | #6,362 | 7 | #1,615 | 28 |
| 1969 | #7,471 | 5 | #1,492 | 29 |
| 1968 | — | #1,614 | 24 | |
| 1967 | — | #1,411 | 29 | |
| 1966 | #5,809 | 6 | #1,613 | 23 |
| 1965 | — | #1,144 | 43 | |
| 1964 | #3,692 | 13 | #1,236 | 39 |
| 1963 | #4,896 | 8 | #1,375 | 32 |
| 1962 | #3,782 | 12 | #1,546 | 26 |
| 1961 | #3,189 | 16 | #1,322 | 36 |
| 1960 | #5,168 | 7 | #1,210 | 42 |
| 1959 | #4,625 | 8 | #1,302 | 36 |
| 1958 | #3,747 | 11 | #1,305 | 35 |
| 1957 | #2,563 | 20 | #1,278 | 37 |
| 1956 | #3,696 | 11 | #1,218 | 39 |
| 1955 | #2,280 | 23 | #1,313 | 33 |
| 1954 | #2,779 | 16 | #1,382 | 30 |
| 1953 | #2,516 | 18 | #1,304 | 33 |
| 1952 | #2,502 | 18 | #1,152 | 41 |
| 1951 | #2,391 | 18 | #1,052 | 46 |
| 1950 | #1,679 | 31 | #1,105 | 41 |
| 1949 | #2,069 | 22 | #1,185 | 36 |
| 1948 | #1,621 | 33 | #1,023 | 47 |
| 1947 | #1,602 | 35 | #1,159 | 39 |
| 1946 | #1,583 | 31 | #1,045 | 43 |
| 1945 | #1,080 | 53 | #927 | 48 |
| 1944 | #1,578 | 27 | #974 | 44 |
| 1943 | #1,442 | 33 | #846 | 61 |
| 1942 | #1,630 | 26 | #991 | 45 |
| 1941 | #1,310 | 34 | #1,040 | 39 |
| 1940 | #1,313 | 32 | #1,050 | 38 |
| 1939 | #1,424 | 27 | #754 | 64 |
| 1938 | #1,805 | 19 | #764 | 64 |
| 1937 | #1,255 | 33 | #1,000 | 40 |
| 1936 | #1,321 | 30 | #690 | 73 |
| 1935 | #1,119 | 39 | #725 | 71 |
| 1934 | #1,133 | 39 | #845 | 55 |
| 1933 | #1,123 | 39 | #775 | 62 |
| 1932 | #1,116 | 41 | #708 | 76 |
| 1931 | #1,074 | 43 | #643 | 85 |
| 1930 | #993 | 55 | #645 | 90 |
| 1929 | #842 | 71 | #721 | 75 |
| 1928 | #947 | 62 | #652 | 92 |
| 1927 | #1,000 | 58 | #592 | 109 |
| 1926 | #763 | 90 | #614 | 104 |
| 1925 | #727 | 102 | #641 | 98 |
| 1924 | #705 | 111 | #653 | 97 |
| 1923 | #845 | 75 | #668 | 92 |
| 1922 | #720 | 102 | #617 | 109 |
| 1921 | #747 | 96 | #611 | 107 |
| 1920 | #729 | 98 | #640 | 97 |
| 1919 | #666 | 109 | #633 | 92 |
| 1918 | #702 | 105 | #664 | 87 |
| 1917 | #735 | 91 | #629 | 89 |
| 1916 | #692 | 98 | #593 | 96 |
| 1915 | #667 | 98 | #601 | 91 |
| 1914 | #720 | 64 | #546 | 81 |
| 1913 | #741 | 50 | #550 | 62 |
| 1912 | #689 | 53 | #568 | 50 |
| 1911 | #722 | 36 | #533 | 31 |
| 1910 | #794 | 29 | #461 | 35 |
| 1909 | #580 | 44 | #558 | 22 |
| 1908 | #791 | 24 | #403 | 34 |
| 1907 | #680 | 31 | #429 | 29 |
| 1906 | #707 | 27 | #568 | 17 |
| 1905 | #600 | 34 | #463 | 23 |
| 1904 | #612 | 31 | #401 | 27 |
| 1903 | #607 | 29 | #505 | 18 |
| 1902 | #545 | 35 | #415 | 24 |
| 1901 | #747 | 19 | #453 | 18 |
| 1900 | #780 | 22 | #680 | 14 |
| 1899 | #814 | 16 | #661 | 10 |
| 1898 | #650 | 25 | #523 | 16 |
| 1897 | #567 | 28 | #652 | 11 |
| 1896 | #635 | 24 | #641 | 12 |
| 1895 | #607 | 25 | #556 | 14 |
| 1894 | #719 | 17 | #594 | 12 |
| 1893 | #662 | 19 | #615 | 11 |
| 1892 | #554 | 25 | #748 | 9 |
| 1891 | #572 | 21 | #564 | 11 |
| 1890 | #791 | 12 | #566 | 12 |
| 1889 | #600 | 18 | #722 | 8 |
| 1888 | #612 | 17 | #704 | 9 |
| 1887 | #512 | 19 | #583 | 10 |
| 1886 | #572 | 15 | #694 | 8 |
| 1885 | #658 | 11 | #700 | 8 |
| 1884 | #520 | 16 | #764 | 7 |
| 1883 | #754 | 7 | #479 | 14 |
| 1882 | #596 | 10 | #540 | 12 |
| 1881 | #623 | 8 | #653 | 8 |
| 1880 | #679 | 7 | #640 | 9 |
In the first year the SSA published name data, Theo was already there! It came in at #640, and was given to 9 baby boys.
Quietest stretch: 1884–1889, when fewer than 11 boys a year got the name.
Where Theo is popular in 1912
- Rank in state
- Top 10
- 11–50
- 51–100
- 101–500
- 501+
- Not published
Hover or tap a state for its numbers.
- Arkansas#194 · 1 in 1,056
- Georgia#331 · 1 in 2,926
- Texas#384 · 1 in 2,690
Best ever in a state: #22 in Hawaii, 2022.
Show every state
| State | Rank | Births | Share |
|---|---|---|---|
| Arkansas | #194 | 6 | 1 in 1,056 |
| Georgia | #331 | 5 | 1 in 2,926 |
| Texas | #384 | 7 | 1 in 2,690 |
| Alabama | — | — | — |
| Alaska | — | — | — |
| Arizona | — | — | — |
| California | — | — | — |
| Colorado | — | — | — |
| Connecticut | — | — | — |
| Delaware | — | — | — |
| District of Columbia | — | — | — |
| Florida | — | — | — |
| Hawaii | — | — | — |
| Idaho | — | — | — |
| Illinois | — | — | — |
| Indiana | — | — | — |
| Iowa | — | — | — |
| Kansas | — | — | — |
| Kentucky | — | — | — |
| Louisiana | — | — | — |
| Maine | — | — | — |
| Maryland | — | — | — |
| Massachusetts | — | — | — |
| Michigan | — | — | — |
| Minnesota | — | — | — |
| Mississippi | — | — | — |
| Missouri | — | — | — |
| Montana | — | — | — |
| Nebraska | — | — | — |
| Nevada | — | — | — |
| New Hampshire | — | — | — |
| New Jersey | — | — | — |
| New Mexico | — | — | — |
| New York | — | — | — |
| North Carolina | — | — | — |
| North Dakota | — | — | — |
| Ohio | — | — | — |
| Oklahoma | — | — | — |
| Oregon | — | — | — |
| Pennsylvania | — | — | — |
| Rhode Island | — | — | — |
| South Carolina | — | — | — |
| South Dakota | — | — | — |
| Tennessee | — | — | — |
| Utah | — | — | — |
| Vermont | — | — | — |
| Virginia | — | — | — |
| Washington | — | — | — |
| West Virginia | — | — | — |
| Wisconsin | — | — | — |
| Wyoming | — | — | — |
Ranks are within each state; “1 in N” is out of the boys born there that year. The SSA only publishes a name in a state when 5 or more babies of one sex got it.
See more about Theo
- 2 spots since 2024 (#80 → #82)
- 90 spots since 2020 (#172 → #82)
- 323 spots since 2015 (#405 → #82)
- Biggest jump: 236 spots in 1938 (#1,000 → #764)
- Biggest drop: 310 spots in 1937 (#690 → #1,000)
- Debuted 1880
- Peaked 2023 at #78 (4,140 births)
- Not yet halved from its peak
- Top 10: never
- Top 100: 4 yrs · run 2022–2025
- Top 1,000: 80 yrs · run 1880–1939
- Highest: 1 in 413 boys born in 2023 were named Theo (0.24%)
- Latest: 1 in 433 boys born in 2025 (0.23%)
- 58.0% of all boys named Theo (20,784) were born in this decade
- Mostly girls until 1945, mostly boys since
Show by decade
| Decade | Births | Best rank | Avg rank |
|---|---|---|---|
| 1880s | 93 | #479 (1883) | #648 |
| 1890s | 118 | #523 (1898) | #612 |
| 1900s | 226 | #401 (1904) | #488 |
| 1910s | 714 | #461 (1910) | #578 |
| 1920s | 980 | #592 (1927) | #641 |
| 1930s | 680 | #643 (1931) | #755 |
| 1940s | 440 | #846 (1943) | #1,024 |
| 1950s | 371 | #1,052 (1951) | #1,241 |
| 1960s | 323 | #1,144 (1965) | #1,396 |
| 1970s | 386 | #1,111 (1976) | #1,479 |
| 1980s | 540 | #1,003 (1986) | #1,488 |
| 1990s | 600 | #1,370 (1990) | #1,584 |
| 2000s | 1,386 | #1,012 (2007) | #1,188 |
| 2010s | 8,189 | #195 (2019) | #523 |
| 2020s | 20,784 | #78 (2023) | #109 |
All figures count published births only (names given to at least 5 boys in a year). Registrations before 1937 are incomplete, so early shares and totals run low.
Theo in 1912
Top girls' names in 1912
Top boys' names in 1912
More about 1912
girls
558,119 girls got a published name in 1912; 1 in 10,531 of them was named Theo, which outranked 80.0% of the 3,445 girls' names that year. The ten most popular names covered 22.2% of girls (24.6% in 1880, 7.0% in 2025).
boys
429,942 boys got a published name in 1912; 1 in 8,599 of them was named Theo, which outranked 80.4% of the 2,905 boys' names that year. The ten most popular names covered 30.6% of boys (44.2% in 1880, 8.0% in 2025).