Otho is an uncommon boys' name that was most common in the 1910s and has all but disappeared.
Otho is a boy name. It last appears in U.S. records in 1991. Otho was first reported in SSA data in 1880 and peaked in 1915 (109 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 1991 | 5 | — | #9,226 |
| 1986 | 5 | — | #7,524 |
| 1984 | 5 | — | #7,039 |
| 1981 | 5 | — | #6,997 |
| 1980 | 6 | — | #6,035 |
| 1979 | 5 | — | #6,774 |
| 1977 | 13 | — | #3,155 |
| 1976 | 6 | — | #5,425 |
| 1975 | 6 | — | #5,282 |
| 1974 | 9 | — | #3,756 |
| 1973 | 8 | — | #3,967 |
| 1972 | 7 | — | #4,316 |
| 1971 | 10 | — | #3,296 |
| 1970 | 12 | — | #2,839 |
| 1969 | 6 | — | #4,282 |
| 1968 | 5 | — | #4,582 |
| 1967 | 9 | — | #2,924 |
| 1966 | 5 | — | #4,371 |
| 1965 | 15 | — | #2,146 |
| 1964 | 15 | — | #2,174 |
| 1963 | 11 | — | #2,636 |
| 1962 | 15 | — | #2,167 |
| 1961 | 14 | — | #2,309 |
| 1960 | 22 | — | #1,759 |
| 1959 | 18 | — | #1,953 |
| 1958 | 12 | — | #2,469 |
| 1957 | 18 | — | #1,935 |
| 1956 | 19 | — | #1,874 |
| 1955 | 18 | — | #1,889 |
| 1954 | 13 | — | #2,286 |
| 1953 | 24 | — | #1,576 |
| 1952 | 21 | — | #1,693 |
| 1951 | 21 | — | #1,672 |
| 1950 | 18 | — | #1,794 |
| 1949 | 27 | — | #1,423 |
| 1948 | 28 | — | #1,394 |
| 1947 | 28 | — | #1,415 |
| 1946 | 17 | — | #1,797 |
| 1945 | 30 | — | #1,224 |
| 1944 | 24 | — | #1,393 |
| 1943 | 41 | — | #1,070 |
| 1942 | 22 | — | #1,521 |
| 1941 | 43 | — | #984 |
| 1940 | 25 | — | #1,358 |
| 1939 | 44 | — | #951 |
| 1938 | 46 | — | #936 |
| 1937 | 37 | — | #1,068 |
| 1936 | 45 | — | #921 |
| 1935 | 46 | — | #937 |
| 1934 | 44 | — | #967 |
| 1933 | 52 | — | #865 |
| 1932 | 53 | — | #884 |
| 1931 | 54 | — | #877 |
| 1930 | 50 | — | #965 |
| 1929 | 62 | — | #835 |
| 1928 | 62 | — | #842 |
| 1927 | 64 | — | #846 |
| 1926 | 72 | — | #763 |
| 1925 | 78 | — | #743 |
| 1924 | 98 | — | #651 |
| 1923 | 62 | — | #866 |
| 1922 | 103 | — | #640 |
| 1921 | 101 | — | #639 |
| 1920 | 82 | — | #719 |
| 1919 | 89 | — | #653 |
| 1918 | 89 | — | #655 |
| 1917 | 104 | — | #584 |
| 1916 | 88 | — | #626 |
| 1915 | 109 | — | #533 |
| 1914 | 82 | — | #544 |
| 1913 | 65 | — | #538 |
| 1912 | 66 | — | #488 |
| 1911 | 32 | — | #530 |
| 1910 | 31 | — | #510 |
| 1909 | 26 | — | #514 |
| 1908 | 30 | — | #447 |
| 1907 | 17 | — | #628 |
| 1906 | 20 | — | #517 |
| 1905 | 26 | — | #427 |
| 1904 | 23 | — | #448 |
| 1903 | 18 | — | #517 |
| 1902 | 36 | — | #329 |
| 1901 | 24 | — | #391 |
| 1900 | 21 | — | #528 |
| 1899 | 17 | — | #472 |
| 1898 | 15 | — | #564 |
| 1897 | 18 | — | #469 |
| 1896 | 23 | — | #415 |
| 1895 | 15 | — | #548 |
| 1894 | 18 | — | #477 |
| 1893 | 19 | — | #428 |
| 1892 | 22 | — | #411 |
| 1891 | 16 | — | #453 |
| 1890 | 14 | — | #530 |
| 1889 | 17 | — | #459 |
| 1888 | 23 | — | #395 |
| 1887 | 27 | — | #323 |
| 1886 | 21 | — | #393 |
| 1885 | 18 | — | #434 |
| 1884 | 17 | — | #464 |
| 1883 | 22 | — | #369 |
| 1882 | 25 | — | #363 |
| 1881 | 26 | — | #322 |
| 1880 | 18 | — | #419 |