Total babies named Arba (all years): 63
| Year | Boys (count / rank / %) |
|---|---|
| 1938 | 5 / #3546 / 0.000% |
| 1937 | — |
| 1933 | 5 / #3666 / 0.001% |
| 1931 | 5 / #3786 / 0.000% |
| 1926 | 5 / #4235 / 0.000% |
| 1923 | 6 / #3838 / 0.001% |
| 1920 | 7 / #3507 / 0.001% |
| 1916 | 6 / #3532 / 0.001% |
| 1898 | 8 / #806 / 0.007% |