The baby name Onnie appears in baby name data for the United States from 1912 to 1969. It was most popular in 1934 with 28 babies given the name.
Over the period shown, Onnie has stayed at a similar level of popularity.
| Year | Count |
|---|---|
| 1912 | 12 |
| 1913 | 10 |
| 1915 | 15 |
| 1915 | 6 |
| 1916 | 20 |
| 1916 | 15 |
| 1917 | 17 |
| 1917 | 10 |
| 1918 | 18 |
| 1920 | 12 |
| 1921 | 16 |
| 1922 | 26 |
| 1923 | 16 |
| 1924 | 5 |
| 1925 | 27 |
| 1926 | 27 |
| 1927 | 14 |
| 1929 | 6 |
| 1934 | 28 |
| 1935 | 21 |
| 1944 | 10 |
| 1950 | 10 |
| 1955 | 6 |
| 1969 | 5 |