Roby is an uncommon variant of Robby that peaked in 1964 and has since faded.
Roby is predominantly a boy name. In 2025 it ranked #10,458 for boy births in the United States (and #21,581 across all names), given to 7 babies. Roby was first reported in SSA data in 1884 and peaked in 1964 (50 births).
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2025 | 7 | 7 | — | #10,458 |
| 2023 | 10 | 10 | — | #8,139 |
| 2022 | 10 | 10 | — | #8,182 |
| 2021 | 5 | 5 | — | #13,685 |
| 2020 | 5 | 5 | — | #13,652 |
| 2019 | 12 | 12 | — | #7,095 |
| 2018 | 7 | 7 | — | #10,517 |
| 2017 | 8 | 8 | — | #9,510 |
| 2016 | 5 | 5 | — | #13,789 |
| 2015 | 5 | 5 | — | #13,634 |
| 2011 | 12 | 12 | — | #6,920 |
| 2010 | 12 | 12 | — | #7,010 |
| 2009 | 15 | 15 | — | #6,023 |
| 2008 | 11 | 11 | — | #7,601 |
| 2007 | 10 | 10 | — | #8,049 |
| 2006 | 8 | 8 | — | #9,389 |
| 2005 | 8 | 8 | — | #8,932 |
| 2004 | 18 | 18 | — | #4,751 |
| 2003 | 5 | 5 | — | #12,364 |
| 2002 | 18 | 18 | — | #4,460 |
| 2001 | 11 | 11 | — | #6,353 |
| 2000 | 18 | 18 | — | #4,345 |
| 1999 | 10 | 10 | — | #6,413 |
| 1998 | 11 | 11 | — | #5,756 |
| 1997 | 16 | — | — | #4,199 |
| 1996 | 21 | — | — | #3,378 |
| 1995 | 14 | — | — | #4,461 |
| 1994 | 8 | — | — | #6,843 |
| 1993 | 9 | — | — | #6,124 |
| 1992 | 14 | — | — | #4,283 |
| 1991 | 13 | — | — | #4,426 |
| 1990 | 21 | — | — | #3,040 |
| 1989 | 16 | — | — | #3,587 |
| 1988 | 24 | — | — | #2,496 |
| 1987 | 12 | — | — | #3,922 |
| 1986 | 11 | — | — | #4,069 |
| 1985 | 13 | — | — | #3,561 |
| 1984 | 8 | — | — | #4,877 |
| 1983 | 11 | — | — | #3,822 |
| 1982 | 17 | — | — | #2,799 |
| 1981 | 16 | — | — | #2,868 |
| 1980 | 15 | — | — | #3,069 |
| 1979 | 25 | — | #11,477 | #2,447 |
| 1978 | 19 | — | — | #2,461 |
| 1977 | 21 | — | — | #2,254 |
| 1976 | 22 | — | — | #2,160 |
| 1975 | 22 | — | #10,209 | #2,518 |
| 1974 | 27 | — | — | #1,782 |
| 1973 | 26 | — | — | #1,770 |
| 1972 | 33 | — | — | #1,498 |
| 1971 | 27 | — | — | #1,736 |
| 1970 | 33 | — | — | #1,488 |
| 1969 | 37 | — | — | #1,318 |
| 1968 | 31 | — | — | #1,421 |
| 1967 | 24 | — | — | #1,603 |
| 1966 | 27 | — | — | #1,508 |
| 1965 | 38 | — | — | #1,251 |
| 1964 | 50 | — | — | #1,078 |
| 1963 | 37 | — | — | #1,301 |
| 1962 | 37 | — | — | #1,291 |
| 1961 | 41 | — | — | #1,246 |
| 1960 | 42 | — | #6,245 | #1,334 |
| 1959 | 30 | — | — | #1,461 |
| 1958 | 32 | — | — | #1,393 |
| 1957 | 29 | — | — | #1,481 |
| 1956 | 42 | — | #5,224 | #1,312 |
| 1955 | 24 | — | — | #1,603 |
| 1954 | 36 | — | #5,618 | #1,403 |
| 1953 | 30 | — | — | #1,402 |
| 1952 | 15 | — | — | #2,061 |
| 1951 | 18 | — | — | #1,822 |
| 1950 | 17 | — | — | #1,869 |
| 1949 | 35 | — | — | #1,224 |
| 1948 | 33 | — | — | #1,274 |
| 1947 | 48 | — | #5,957 | #1,113 |
| 1946 | 33 | — | — | #1,231 |
| 1945 | 20 | — | — | #1,526 |
| 1944 | 31 | — | #5,114 | #1,324 |
| 1943 | 27 | — | — | #1,358 |
| 1942 | 25 | — | — | #1,414 |
| 1941 | 20 | — | — | #1,579 |
| 1940 | 27 | — | — | #1,306 |
| 1939 | 19 | — | — | #1,570 |
| 1938 | 25 | — | #4,869 | #1,552 |
| 1937 | 24 | — | — | #1,397 |
| 1936 | 30 | — | — | #1,221 |
| 1935 | 29 | — | — | #1,270 |
| 1934 | 36 | — | — | #1,115 |
| 1933 | 13 | — | — | #2,077 |
| 1932 | 26 | — | — | #1,379 |
| 1931 | 23 | — | — | #1,484 |
| 1930 | 22 | — | — | #1,594 |
| 1929 | 26 | — | — | #1,441 |
| 1928 | 17 | — | — | #1,950 |
| 1927 | 32 | — | #3,813 | #1,594 |
| 1926 | 28 | — | — | #1,399 |
| 1925 | 34 | — | #4,866 | #1,417 |
| 1924 | 37 | — | #3,939 | #1,403 |
| 1923 | 29 | — | — | #1,377 |
| 1922 | 32 | — | #5,654 | #1,463 |
| 1921 | 34 | — | #4,996 | #1,439 |
| 1920 | 37 | — | #4,876 | #1,316 |
| 1919 | 39 | — | — | #1,117 |
| 1918 | 49 | — | #5,450 | #1,028 |
| 1917 | 26 | — | — | #1,386 |
| 1916 | 36 | — | #3,860 | #1,259 |
| 1915 | 33 | — | #3,090 | #1,402 |
| 1914 | 24 | — | — | #1,218 |
| 1913 | 23 | — | #2,504 | #1,428 |
| 1912 | 6 | — | — | #2,493 |
| 1911 | 9 | — | — | #1,270 |
| 1910 | 6 | — | — | #1,554 |
| 1909 | 6 | — | — | #1,416 |
| 1908 | 9 | — | — | #1,010 |
| 1907 | 6 | — | — | #1,315 |
| 1904 | 12 | — | #1,828 | #1,180 |
| 1901 | 8 | — | — | #841 |
| 1900 | 5 | — | — | #1,468 |
| 1899 | 6 | — | — | #1,033 |
| 1898 | 8 | — | — | #874 |
| 1896 | 8 | — | — | #885 |
| 1895 | 6 | — | — | #1,061 |
| 1894 | 5 | — | — | #1,209 |
| 1890 | 7 | — | — | #865 |
| 1888 | 6 | — | — | #1,014 |
| 1886 | 6 | — | — | #942 |
| 1884 | 6 | — | — | #953 |