The baby name Dempsey appears in baby name data for the United States from 1913 to 2023. It was most popular in 1921 with 114 babies given the name.
In the later years of this period, Dempsey has become less common than it once was.
| Year | Count |
|---|---|
| 1913 | 16 |
| 1915 | 22 |
| 1916 | 5 |
| 1917 | 21 |
| 1918 | 24 |
| 1919 | 110 |
| 1920 | 87 |
| 1921 | 114 |
| 1922 | 98 |
| 1923 | 45 |
| 1924 | 18 |
| 1925 | 46 |
| 1926 | 19 |
| 1927 | 47 |
| 1928 | 57 |
| 1929 | 41 |
| 1930 | 37 |
| 1931 | 21 |
| 1932 | 31 |
| 1933 | 15 |
| 1934 | 28 |
| 1935 | 12 |
| 1937 | 5 |
| 1938 | 6 |
| 1939 | 6 |
| 1940 | 5 |
| 1941 | 30 |
| 1942 | 30 |
| 1943 | 31 |
| 1944 | 10 |
| 1948 | 21 |
| 1949 | 21 |
| 1950 | 10 |
| 1951 | 10 |
| 1952 | 30 |
| 1953 | 10 |
| 1954 | 7 |
| 1957 | 10 |
| 1958 | 16 |
| 1959 | 12 |
| 1961 | 10 |
| 1965 | 5 |
| 1973 | 5 |
| 2007 | 5 |
| 2011 | 22 |
| 2012 | 11 |
| 2013 | 14 |
| 2014 | 5 |
| 2014 | 25 |
| 2015 | 12 |
| 2016 | 21 |
| 2018 | 15 |
| 2020 | 10 |
| 2021 | 5 |
| 2021 | 20 |
| 2022 | 7 |
| 2023 | 11 |