The baby name Cosimo appears in baby name data for the United States from 1913 to 2024. It was most popular in 1927 with 17 babies given the name.
In the later years of this period, Cosimo has become less common than it once was.
| Year | Count |
|---|---|
| 1913 | 6 |
| 1914 | 7 |
| 1915 | 14 |
| 1916 | 10 |
| 1917 | 10 |
| 1918 | 9 |
| 1919 | 6 |
| 1920 | 15 |
| 1921 | 9 |
| 1922 | 13 |
| 1923 | 15 |
| 1924 | 16 |
| 1925 | 5 |
| 1926 | 11 |
| 1927 | 17 |
| 1928 | 11 |
| 1929 | 7 |
| 1930 | 11 |
| 1932 | 6 |
| 1933 | 5 |
| 1934 | 5 |
| 1940 | 8 |
| 1969 | 5 |
| 1975 | 5 |
| 1980 | 5 |
| 2018 | 10 |
| 2023 | 5 |
| 2024 | 5 |