The baby name Castulo appears in baby name data for the United States from 1914 to 1963. It was most popular in 1947 with 15 babies given the name.
Over the period shown, Castulo has stayed at a similar level of popularity.
| Year | Count |
|---|---|
| 1914 | 6 |
| 1923 | 6 |
| 1924 | 7 |
| 1928 | 5 |
| 1942 | 5 |
| 1947 | 15 |
| 1963 | 10 |