Cluster is a very rare boys' name that was most common in the 1920s and has all but disappeared.
Cluster is a boy name. It last appears in U.S. records in 1955. Cluster first appears in 1917 and peaked in 1924 (8 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 1955 | 7 | — | #3,250 |
| 1938 | 5 | — | #3,621 |
| 1930 | 8 | — | #3,069 |
| 1927 | 5 | — | #4,311 |
| 1926 | 5 | — | #4,321 |
| 1924 | 8 | — | #3,314 |
| 1921 | 7 | — | #3,593 |
| 1920 | 5 | — | #4,427 |
| 1917 | 5 | — | #4,092 |