The baby name Haruo appears in baby name data for the United States from 1915 to 1934. It was most popular in 1921 with 52 babies given the name.
In the later years of this period, Haruo has become less common than it once was.
| Year | Count |
|---|---|
| 1915 | 20 |
| 1916 | 20 |
| 1917 | 22 |
| 1918 | 32 |
| 1919 | 28 |
| 1920 | 36 |
| 1921 | 52 |
| 1922 | 28 |
| 1923 | 36 |
| 1924 | 38 |
| 1925 | 30 |
| 1926 | 20 |
| 1927 | 26 |
| 1928 | 14 |
| 1929 | 14 |
| 1930 | 26 |
| 1931 | 24 |
| 1932 | 14 |
| 1933 | 10 |
| 1934 | 12 |