The baby name Olan appears in baby name data for the United States from 1911 to 2020. It was most popular in 1920 with 51 babies given the name.
In the later years of this period, Olan has become less common than it once was.
| Year | Count |
|---|---|
| 1911 | 5 |
| 1912 | 9 |
| 1913 | 13 |
| 1914 | 17 |
| 1915 | 15 |
| 1916 | 19 |
| 1917 | 25 |
| 1918 | 14 |
| 1919 | 45 |
| 1920 | 51 |
| 1921 | 31 |
| 1922 | 37 |
| 1923 | 37 |
| 1924 | 38 |
| 1925 | 42 |
| 1926 | 14 |
| 1927 | 19 |
| 1928 | 28 |
| 1929 | 15 |
| 1930 | 16 |
| 1931 | 15 |
| 1932 | 7 |
| 1936 | 5 |
| 1937 | 26 |
| 1938 | 7 |
| 1939 | 16 |
| 1940 | 6 |
| 1941 | 14 |
| 1942 | 19 |
| 1943 | 17 |
| 1944 | 6 |
| 1945 | 11 |
| 1946 | 9 |
| 1947 | 24 |
| 1948 | 17 |
| 1949 | 7 |
| 1954 | 10 |
| 1955 | 18 |
| 1956 | 10 |
| 1957 | 10 |
| 1963 | 10 |
| 1964 | 10 |
| 1965 | 10 |
| 1975 | 6 |
| 2020 | 5 |