The baby name Jan appears in baby name data for the United States from 1915 to 2024. It was most popular in 1956 with 3,946 babies given the name.
In the later years of this period, Jan has become more popular compared with earlier years.
| Year | Count |
|---|---|
| 1915 | 5 |
| 1917 | 6 |
| 1918 | 16 |
| 1919 | 11 |
| 1920 | 6 |
| 1922 | 10 |
| 1922 | 5 |
| 1923 | 5 |
| 1924 | 11 |
| 1925 | 6 |
| 1926 | 12 |
| 1927 | 32 |
| 1929 | 21 |
| 1930 | 22 |
| 1931 | 69 |
| 1931 | 16 |
| 1932 | 90 |
| 1932 | 16 |
| 1933 | 82 |
| 1933 | 75 |
| 1934 | 135 |
| 1934 | 124 |
| 1935 | 205 |
| 1935 | 200 |
| 1936 | 198 |
| 1936 | 307 |
| 1937 | 232 |
| 1937 | 219 |
| 1938 | 244 |
| 1938 | 289 |
| 1939 | 286 |
| 1939 | 336 |
| 1940 | 351 |
| 1940 | 371 |
| 1941 | 465 |
| 1941 | 568 |
| 1942 | 427 |
| 1942 | 596 |
| 1943 | 886 |
| 1943 | 631 |
| 1944 | 517 |
| 1944 | 602 |
| 1945 | 772 |
| 1945 | 502 |
| 1946 | 1,096 |
| 1946 | 533 |
| 1947 | 1,456 |
| 1947 | 831 |
| 1948 | 1,438 |
| 1948 | 763 |
| 1949 | 1,743 |
| 1949 | 627 |
| 1950 | 2,197 |
| 1950 | 730 |
| 1951 | 2,757 |
| 1951 | 891 |
| 1952 | 3,193 |
| 1952 | 728 |
| 1953 | 3,343 |
| 1953 | 716 |
| 1954 | 3,750 |
| 1954 | 942 |
| 1955 | 3,383 |
| 1955 | 805 |
| 1956 | 3,946 |
| 1956 | 607 |
| 1957 | 3,733 |
| 1957 | 485 |
| 1958 | 3,208 |
| 1958 | 507 |
| 1959 | 3,237 |
| 1959 | 425 |
| 1960 | 3,159 |
| 1960 | 388 |
| 1961 | 2,663 |
| 1961 | 320 |
| 1962 | 2,515 |
| 1962 | 284 |
| 1963 | 1,803 |
| 1963 | 197 |
| 1964 | 1,544 |
| 1964 | 192 |
| 1965 | 1,162 |
| 1965 | 155 |
| 1966 | 1,028 |
| 1966 | 142 |
| 1967 | 925 |
| 1967 | 109 |
| 1968 | 819 |
| 1968 | 110 |
| 1969 | 689 |
| 1969 | 96 |
| 1970 | 621 |
| 1970 | 94 |
| 1971 | 508 |
| 1971 | 82 |
| 1972 | 426 |
| 1972 | 71 |
| 1973 | 272 |
| 1973 | 64 |
| 1974 | 357 |
| 1974 | 37 |
| 1975 | 246 |
| 1975 | 49 |
| 1976 | 246 |
| 1976 | 94 |
| 1977 | 239 |
| 1977 | 41 |
| 1978 | 223 |
| 1978 | 65 |
| 1979 | 213 |
| 1979 | 78 |
| 1980 | 149 |
| 1980 | 32 |
| 1981 | 130 |
| 1981 | 17 |
| 1982 | 107 |
| 1982 | 81 |
| 1983 | 83 |
| 1983 | 53 |
| 1984 | 53 |
| 1984 | 70 |
| 1985 | 35 |
| 1985 | 63 |
| 1986 | 27 |
| 1986 | 44 |
| 1987 | 24 |
| 1987 | 61 |
| 1988 | 13 |
| 1988 | 61 |
| 1989 | 50 |
| 1990 | 73 |
| 1991 | 57 |
| 1992 | 54 |
| 1993 | 47 |
| 1994 | 72 |
| 1995 | 73 |
| 1996 | 73 |
| 1997 | 43 |
| 1998 | 48 |
| 1999 | 83 |
| 2000 | 163 |
| 2001 | 180 |
| 2002 | 144 |
| 2003 | 162 |
| 2004 | 240 |
| 2005 | 223 |
| 2006 | 273 |
| 2007 | 106 |
| 2008 | 209 |
| 2009 | 123 |
| 2010 | 115 |
| 2011 | 87 |
| 2012 | 107 |
| 2013 | 101 |
| 2014 | 71 |
| 2015 | 71 |
| 2016 | 88 |
| 2017 | 68 |
| 2018 | 88 |
| 2019 | 26 |
| 2020 | 48 |
| 2021 | 34 |
| 2022 | 59 |
| 2023 | 50 |
| 2024 | 45 |