The baby name Duncan appears in baby name data for the United States from 1914 to 2024. It was most popular in 1997 with 705 babies given the name.
In the later years of this period, Duncan has become more popular compared with earlier years.
| Year | Count |
|---|---|
| 1914 | 18 |
| 1915 | 21 |
| 1916 | 44 |
| 1917 | 37 |
| 1918 | 29 |
| 1919 | 18 |
| 1920 | 45 |
| 1921 | 30 |
| 1922 | 29 |
| 1923 | 36 |
| 1924 | 38 |
| 1925 | 63 |
| 1926 | 41 |
| 1927 | 21 |
| 1928 | 56 |
| 1929 | 42 |
| 1930 | 25 |
| 1931 | 35 |
| 1932 | 31 |
| 1933 | 25 |
| 1934 | 17 |
| 1935 | 29 |
| 1936 | 42 |
| 1937 | 38 |
| 1938 | 23 |
| 1939 | 35 |
| 1940 | 50 |
| 1941 | 60 |
| 1942 | 74 |
| 1943 | 78 |
| 1944 | 38 |
| 1945 | 67 |
| 1946 | 43 |
| 1947 | 135 |
| 1948 | 86 |
| 1949 | 80 |
| 1950 | 92 |
| 1951 | 70 |
| 1952 | 146 |
| 1953 | 75 |
| 1954 | 84 |
| 1955 | 88 |
| 1956 | 119 |
| 1957 | 169 |
| 1958 | 267 |
| 1959 | 248 |
| 1960 | 145 |
| 1961 | 65 |
| 1962 | 84 |
| 1963 | 262 |
| 1964 | 97 |
| 1965 | 75 |
| 1966 | 45 |
| 1967 | 45 |
| 1968 | 31 |
| 1969 | 21 |
| 1970 | 80 |
| 1971 | 30 |
| 1972 | 17 |
| 1973 | 64 |
| 1974 | 35 |
| 1975 | 33 |
| 1976 | 23 |
| 1977 | 6 |
| 1978 | 12 |
| 1979 | 6 |
| 1980 | 38 |
| 1981 | 29 |
| 1982 | 17 |
| 1983 | 47 |
| 1984 | 54 |
| 1985 | 85 |
| 1986 | 85 |
| 1987 | 99 |
| 1988 | 106 |
| 1989 | 143 |
| 1990 | 127 |
| 1991 | 181 |
| 1992 | 215 |
| 1993 | 323 |
| 1994 | 365 |
| 1995 | 517 |
| 1996 | 537 |
| 1997 | 705 |
| 1998 | 695 |
| 1999 | 634 |
| 2000 | 576 |
| 2001 | 533 |
| 2002 | 485 |
| 2003 | 419 |
| 2004 | 439 |
| 2005 | 364 |
| 2006 | 360 |
| 2007 | 254 |
| 2008 | 357 |
| 2009 | 311 |
| 2010 | 323 |
| 2011 | 254 |
| 2012 | 293 |
| 2013 | 254 |
| 2014 | 316 |
| 2015 | 310 |
| 2016 | 302 |
| 2017 | 255 |
| 2018 | 248 |
| 2019 | 165 |
| 2020 | 185 |
| 2021 | 192 |
| 2022 | 209 |
| 2023 | 195 |
| 2024 | 144 |