Uno is a boy name. It last appeared in U.S. Social Security records in 1923. Uno first appears in the data in 1908 and reached its peak in 1918 (15 births). The chart below shows how the name has risen and fallen over time.
| Year | U.S. births | Rank |
|---|---|---|
| 1923 | 7 | #6,917 |
| 1919 | 15 | #4,180 |
| 1918 | 15 | #4,178 |
| 1917 | 10 | #5,187 |
| 1916 | 6 | #6,912 |
| 1915 | 14 | #3,986 |
| 1914 | 11 | #4,000 |
| 1913 | 8 | #4,258 |
| 1912 | 12 | #3,021 |
| 1908 | 5 | #3,638 |