The baby name Otha appears in baby name data for the United States from 1910 to 1986. It was most popular in 1920 with 169 babies given the name.
In the later years of this period, Otha has become less common than it once was.
| Year | Count |
|---|---|
| 1910 | 10 |
| 1910 | 7 |
| 1911 | 17 |
| 1912 | 56 |
| 1913 | 15 |
| 1913 | 50 |
| 1914 | 14 |
| 1914 | 67 |
| 1915 | 20 |
| 1915 | 107 |
| 1916 | 22 |
| 1916 | 87 |
| 1917 | 24 |
| 1917 | 164 |
| 1918 | 12 |
| 1918 | 150 |
| 1919 | 6 |
| 1919 | 134 |
| 1920 | 6 |
| 1920 | 169 |
| 1921 | 24 |
| 1921 | 166 |
| 1922 | 28 |
| 1922 | 141 |
| 1923 | 11 |
| 1923 | 127 |
| 1924 | 22 |
| 1924 | 132 |
| 1925 | 21 |
| 1925 | 152 |
| 1926 | 18 |
| 1926 | 145 |
| 1927 | 40 |
| 1927 | 128 |
| 1928 | 20 |
| 1928 | 121 |
| 1929 | 16 |
| 1929 | 133 |
| 1930 | 26 |
| 1930 | 116 |
| 1931 | 128 |
| 1932 | 5 |
| 1932 | 117 |
| 1933 | 20 |
| 1933 | 104 |
| 1934 | 11 |
| 1934 | 133 |
| 1935 | 5 |
| 1935 | 115 |
| 1936 | 5 |
| 1936 | 95 |
| 1937 | 5 |
| 1937 | 95 |
| 1938 | 5 |
| 1938 | 103 |
| 1939 | 109 |
| 1940 | 99 |
| 1941 | 15 |
| 1941 | 90 |
| 1942 | 5 |
| 1942 | 107 |
| 1943 | 128 |
| 1944 | 84 |
| 1945 | 117 |
| 1946 | 6 |
| 1946 | 73 |
| 1947 | 133 |
| 1948 | 6 |
| 1948 | 104 |
| 1949 | 118 |
| 1950 | 99 |
| 1951 | 81 |
| 1952 | 101 |
| 1953 | 72 |
| 1954 | 78 |
| 1955 | 7 |
| 1955 | 79 |
| 1956 | 92 |
| 1957 | 56 |
| 1958 | 48 |
| 1959 | 19 |
| 1960 | 31 |
| 1961 | 29 |
| 1962 | 33 |
| 1963 | 53 |
| 1964 | 42 |
| 1966 | 34 |
| 1968 | 16 |
| 1969 | 20 |
| 1973 | 5 |
| 1976 | 5 |
| 1978 | 5 |
| 1981 | 5 |
| 1986 | 10 |