Boy or Girl

Is Duncan a boy or girl name?

Duncan is a boy name in the US. In 2024, 0 girls and 194 boys were named Duncan, so 0% were girls. Across 1880–2024, 0.1% of the 21,043 US babies named Duncan were girls.

Boy rank, 2024
#1,102
Girl rank, 2024
Not ranked
Babies named Duncan since 1880
21,043
Most popular year
1997
644 babies
Babies named Duncan each year in the US
Line chart of US births named Duncan from 1880 to 2024, boys and girls. The table below has every value.020040060080018801900192019401960198020002020

Boys and girls named Duncan, by decade

DecadeBoysGirlsShare girls
1880s13900%
1890s11700%
1900s11600%
1910s54200%
1920s76700%
1930s65300%
1940s1,17800%
1950s1,78400%
1960s1,38900%
1970s93600%
1980s1,41500%
1990s4,22160.1%
2000s3,96500%
2010s2,68750.2%
2020s1,12300%
Every year
YearBoysBoy rankGirlsGirl rank
2024194#1,1020–
2023244#9300–
2022252#9180–
2021216#1,0160–
2020217#9820–
2019205#1,0140–
2018235#9160–
2017251#8690–
2016286#8060–
2015294#7905#17,190
2014287#8000–
2013262#8230–
2012263#8310–
2011275#8010–
2010329#7090–
2009318#7350–
2008324#7160–
2007288#7650–
2006351#6560–
2005359#6190–
2004402#5670–
2003421#5430–
2002472#4880–
2001500#4740–
2000530#4470–
1999576#4100–
1998641#3860–
1997644#3780–
1996505#4446#12,286
1995456#4730–
1994388#5120–
1993326#5670–
1992260#6390–
1991235#6610–
1990190#7400–
1989209#6900–
1988170#7210–
1987163#7150–
1986162#7110–
1985164#6900–
1984137#7460–
1983132#7530–
198294#9240–
198185#9800–
198099#9000–
197985#9600–
197886#9370–
197776#9840–
197683#9150–
197585#8960–
197486#8620–
1973121#7280–
197285#8740–
197195#8290–
1970134#7130–
196997#7850–
196898#7490–
196784#7950–
1966106#7220–
1965126#6610–
1964154#6260–
1963263#4930–
1962142#6490–
1961145#6510–
1960174#5950–
1959253#4900–
1958282#4700–
1957208#5370–
1956178#5680–
1955145#6160–
1954157#5890–
1953149#5900–
1952141#5890–
1951138#5910–
1950133#5900–
1949140#5680–
1948133#5790–
1947158#5380–
1946120#5860–
1945114#5630–
1944102#6120–
1943106#6130–
1942117#5720–
1941101#5900–
194087#6430–
193967#7340–
193869#7380–
193771#7150–
193668#7320–
193567#7530–
193453#8660–
193361#7860–
193266#7810–
193164#7850–
193067#7860–
192971#7570–
192889#6650–
192757#8990–
192672#7590–
192586#6980–
192477#7630–
192372#7790–
192282#7230–
192175#7750–
192086#6960–
191972#7620–
191881#7030–
191768#7620–
191666#7540–
191570#7010–
191453#7160–
191347#6530–
191246#6010–
191125#6140–
191014#8300–
19090–0–
190814#7200–
190712#7820–
190611#7710–
190512#7130–
190416#5720–
190316#5570–
190211#7000–
19017#8810–
190017#6070–
189910#6720–
189813#6160–
18978#8040–
189614#5590–
189514#5620–
189410#6850–
189310#6680–
189219#4480–
189110#6120–
18909#6840–
188916#4680–
188815#5110–
188718#3960–
188612#5520–
188514#5070–
188410#6260–
188318#4160–
188212#5500–
188112#5110–
188012#5400–

Highest rank

As a boy name, Duncan reached #378 in 1997. As a girl name, it reached #12,286 in 1996. Ranks count every name SSA published for that year and sex, so they go well past the top 1,000.

Names from the same era

These names were also most popular in the 1990s, with a similar number of babies. They can work as sibling or middle names that feel like they belong together.

Compare Duncan with another nameTry Duncan with your surnameTop names of 1997More names starting with D

Source: US Social Security Administration baby name data, 1880–2024. Counts are Social Security card applications for US births; SSA leaves out names given to fewer than 5 babies in a year. Updated 2026-10-05. How these numbers are made.