The baby name Kaoru appears in baby name data for the United States from 1914 to 1927. It was most popular in 1921 with 24 babies given the name.
Over the period shown, Kaoru has stayed at a similar level of popularity.
| Year | Count |
|---|---|
| 1914 | 10 |
| 1915 | 14 |
| 1916 | 12 |
| 1917 | 18 |
| 1918 | 10 |
| 1919 | 10 |
| 1920 | 18 |
| 1921 | 24 |
| 1922 | 10 |
| 1922 | 16 |
| 1923 | 16 |
| 1924 | 20 |
| 1925 | 10 |
| 1925 | 14 |
| 1926 | 12 |
| 1927 | 10 |