The baby name Otho appears in baby name data for the United States from 1910 to 1959. It was most popular in 1915 with 105 babies given the name.
In the later years of this period, Otho has become less common than it once was.
| Year | Count |
|---|---|
| 1910 | 5 |
| 1911 | 6 |
| 1912 | 29 |
| 1913 | 41 |
| 1914 | 42 |
| 1915 | 105 |
| 1916 | 67 |
| 1917 | 74 |
| 1918 | 64 |
| 1919 | 60 |
| 1920 | 38 |
| 1921 | 82 |
| 1922 | 81 |
| 1923 | 45 |
| 1924 | 80 |
| 1925 | 65 |
| 1926 | 73 |
| 1927 | 45 |
| 1928 | 50 |
| 1929 | 52 |
| 1930 | 21 |
| 1931 | 20 |
| 1932 | 26 |
| 1933 | 36 |
| 1934 | 23 |
| 1935 | 15 |
| 1936 | 16 |
| 1937 | 18 |
| 1938 | 31 |
| 1939 | 23 |
| 1940 | 10 |
| 1941 | 23 |
| 1942 | 10 |
| 1943 | 11 |
| 1944 | 5 |
| 1949 | 5 |
| 1952 | 5 |
| 1953 | 15 |
| 1959 | 5 |