Total babies named Cluster (all years): 55
| Year | Boys (count / rank / %) |
|---|---|
| 1955 | 7 / #3249 / 0.000% |
| 1938 | 5 / #3621 / 0.000% |
| 1930 | 8 / #3069 / 0.001% |
| 1927 | 5 / #4311 / 0.000% |
| 1926 | 5 / #4321 / 0.000% |
| 1924 | 8 / #3314 / 0.001% |
| 1921 | 7 / #3593 / 0.001% |
| 1920 | 5 / #4427 / 0.000% |
| 1917 | 5 / #4092 / 0.001% |