Bacilio is a very rare boys' name that was most common in the 2000s and has all but disappeared.
Bacilio is a boy name. It last appears in U.S. records in 2016. Bacilio was first reported in SSA data in 1922 and peaked in 2002 (10 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 2016 | 5 | 5 | #12,407 |
| 2007 | 5 | 5 | #12,562 |
| 2002 | 10 | 10 | #6,579 |
| 2001 | 8 | 8 | #7,595 |
| 2000 | 7 | 7 | #8,288 |
| 1999 | 7 | 7 | #7,946 |
| 1995 | 6 | — | #7,888 |
| 1990 | 7 | — | #6,468 |
| 1989 | 8 | — | #5,678 |
| 1987 | 5 | — | #7,048 |
| 1986 | 6 | — | #5,994 |
| 1982 | 6 | — | #5,691 |
| 1980 | 8 | — | #4,532 |
| 1977 | 5 | — | #5,926 |
| 1971 | 7 | — | #3,996 |
| 1967 | 6 | — | #3,590 |
| 1966 | 5 | — | #3,986 |
| 1965 | 5 | — | #3,963 |
| 1964 | 5 | — | #4,085 |
| 1957 | 6 | — | #3,588 |
| 1949 | 5 | — | #3,725 |
| 1947 | 8 | — | #2,886 |
| 1943 | 5 | — | #3,581 |
| 1935 | 5 | — | #3,687 |
| 1931 | 6 | — | #3,413 |
| 1927 | 7 | — | #3,476 |
| 1926 | 6 | — | #3,739 |
| 1923 | 7 | — | #3,499 |
| 1922 | 7 | — | #3,559 |