Castulo is a boy name. It last appeared in U.S. Social Security records in 2018. Castulo first appears in the data in 1914 and reached its peak in 1924 (9 births). The chart below shows how the name has risen and fallen over time.
| Year | U.S. births | Rank |
|---|---|---|
| 2018 | 5 | #25,891 |
| 1998 | 8 | #15,992 |
| 1975 | 5 | #13,497 |
| 1963 | 6 | #8,935 |
| 1958 | 5 | #9,418 |
| 1952 | 5 | #8,763 |
| 1949 | 5 | #8,475 |
| 1947 | 5 | #8,517 |
| 1943 | 5 | #7,761 |
| 1942 | 6 | #6,907 |
| 1938 | 5 | #7,462 |
| 1934 | 6 | #6,708 |
| 1929 | 5 | #8,035 |
| 1928 | 8 | #6,178 |
| 1926 | 5 | #8,537 |
| 1925 | 5 | #8,655 |
| 1924 | 9 | #6,148 |
| 1923 | 6 | #7,781 |
| 1920 | 5 | #8,784 |
| 1914 | 7 | #5,478 |