Total babies named Rollo (all years): 940
| Year | Boys (count / rank / %) |
|---|---|
| 2024 | 11 / #7614 / 0.001% |
| 2023 | 5 / #13759 / 0.000% |
| 2022 | 12 / #7157 / 0.001% |
| 2021 | 11 / #7474 / 0.001% |
| 2020 | 9 / #8584 / 0.001% |
| 2019 | 8 / #9575 / 0.000% |
| 2018 | 8 / #9494 / 0.000% |
| 2017 | 10 / #8016 / 0.001% |
| 2016 | 9 / #8673 / 0.000% |
| 2015 | 10 / #7923 / 0.001% |
| Year | Boys (count / rank / %) |
|---|---|
| 1987 | 5 / #7896 / 0.000% |
| 1980 | 6 / #6093 / 0.000% |
| 1979 | 7 / #5258 / 0.000% |
| 1974 | 6 / #5114 / 0.000% |
| 1973 | 9 / #3640 / 0.001% |
| 1962 | 9 / #3007 / 0.000% |
| 1960 | 5 / #4500 / 0.000% |
| 1957 | 7 / #3501 / 0.000% |
| 1956 | 6 / #3869 / 0.000% |
| 1955 | 8 / #3160 / 0.000% |
| Year | Boys (count / rank / %) |
|---|---|
| 1954 | 7 / #3408 / 0.000% |
| 1952 | 5 / #4166 / 0.000% |
| 1951 | 5 / #4149 / 0.000% |
| 1950 | 6 / #3623 / 0.000% |
| 1948 | 11 / #2425 / 0.001% |
| 1947 | 6 / #3674 / 0.000% |
| 1946 | 5 / #3933 / 0.000% |
| 1945 | 6 / #3265 / 0.000% |
| 1944 | 10 / #2442 / 0.001% |
| 1943 | 8 / #2927 / 0.001% |
| Year | Boys (count / rank / %) |
|---|---|
| 1942 | 8 / #2904 / 0.001% |
| 1941 | 8 / #2842 / 0.001% |
| 1940 | 7 / #3082 / 0.001% |
| 1939 | 14 / #1947 / 0.001% |
| 1938 | 10 / #2454 / 0.001% |
| 1937 | 15 / #1900 / 0.001% |
| 1936 | 18 / #1633 / 0.002% |
| 1935 | 18 / #1701 / 0.002% |
| 1934 | 14 / #2004 / 0.001% |
| 1933 | 13 / #2078 / 0.001% |
| Year | Boys (count / rank / %) |
|---|---|
| 1932 | 19 / #1702 / 0.002% |
| 1931 | 22 / #1527 / 0.002% |
| 1930 | 16 / #1945 / 0.001% |
| 1929 | 22 / #1596 / 0.002% |
| 1928 | 18 / #1889 / 0.002% |
| 1927 | 14 / #2284 / 0.001% |
| 1926 | 17 / #1965 / 0.002% |
| 1925 | 30 / #1356 / 0.003% |
| 1924 | 28 / #1448 / 0.002% |
| 1923 | 20 / #1802 / 0.002% |
| Year | Boys (count / rank / %) |
|---|---|
| 1922 | 23 / #1632 / 0.002% |
| 1921 | 23 / #1638 / 0.002% |
| 1920 | 27 / #1453 / 0.003% |
| 1919 | 29 / #1346 / 0.003% |
| 1918 | 38 / #1123 / 0.004% |
| 1917 | 32 / #1218 / 0.003% |
| 1916 | 27 / #1329 / 0.003% |
| 1915 | 25 / #1365 / 0.003% |
| 1914 | 13 / #1847 / 0.002% |
| 1913 | 13 / #1565 / 0.003% |
| Year | Boys (count / rank / %) |
|---|---|
| 1912 | 12 / #1513 / 0.003% |
| 1911 | 5 / #1949 / 0.002% |
| 1905 | 5 / #1390 / 0.004% |
| 1904 | 5 / #1368 / 0.004% |
| 1903 | 5 / #1277 / 0.004% |
| 1902 | 6 / #1114 / 0.005% |
| 1899 | 5 / #1178 / 0.005% |
| 1898 | 8 / #875 / 0.007% |
| 1896 | 7 / #964 / 0.006% |
| 1893 | 5 / #1155 / 0.004% |
| Year | Boys (count / rank / %) |
|---|---|
| 1892 | 7 / #939 / 0.006% |
| 1891 | 7 / #829 / 0.007% |
| 1890 | 7 / #866 / 0.006% |
| 1889 | 7 / #869 / 0.006% |
| 1888 | 6 / #1015 / 0.005% |
| 1887 | 6 / #896 / 0.006% |
| 1886 | 6 / #943 / 0.005% |
| 1884 | 7 / #832 / 0.006% |
| 1882 | 6 / #928 / 0.005% |
| 1881 | 7 / #769 / 0.007% |