The baby name Lydia appears in baby name data for the United States from 1910 to 2024. It was most popular in 2016 with 4,699 babies given the name.
In the later years of this period, Lydia has become more popular compared with earlier years.
| Year | Count |
|---|---|
| 1910 | 708 |
| 1911 | 771 |
| 1912 | 917 |
| 1913 | 1,009 |
| 1914 | 1,095 |
| 1915 | 1,421 |
| 1916 | 1,524 |
| 1917 | 1,568 |
| 1918 | 1,578 |
| 1919 | 1,312 |
| 1920 | 1,383 |
| 1921 | 1,270 |
| 1922 | 1,098 |
| 1923 | 1,194 |
| 1924 | 1,095 |
| 1925 | 1,302 |
| 1926 | 1,049 |
| 1927 | 1,254 |
| 1928 | 1,177 |
| 1929 | 1,101 |
| 1930 | 970 |
| 1931 | 825 |
| 1932 | 862 |
| 1933 | 854 |
| 1934 | 674 |
| 1935 | 1,019 |
| 1936 | 761 |
| 1937 | 718 |
| 1938 | 728 |
| 1939 | 652 |
| 1940 | 685 |
| 1941 | 639 |
| 1942 | 695 |
| 1943 | 1,157 |
| 1943 | 6 |
| 1944 | 598 |
| 1945 | 632 |
| 1946 | 681 |
| 1947 | 856 |
| 1948 | 1,024 |
| 1949 | 1,003 |
| 1950 | 1,186 |
| 1951 | 1,172 |
| 1952 | 1,442 |
| 1953 | 1,645 |
| 1954 | 1,612 |
| 1955 | 1,624 |
| 1956 | 1,619 |
| 1957 | 1,876 |
| 1958 | 1,808 |
| 1959 | 1,833 |
| 1960 | 1,922 |
| 1961 | 1,820 |
| 1962 | 1,780 |
| 1963 | 1,131 |
| 1964 | 1,044 |
| 1965 | 921 |
| 1966 | 831 |
| 1967 | 775 |
| 1968 | 859 |
| 1969 | 806 |
| 1970 | 925 |
| 1971 | 911 |
| 1972 | 736 |
| 1973 | 689 |
| 1974 | 715 |
| 1975 | 676 |
| 1976 | 735 |
| 1977 | 813 |
| 1978 | 736 |
| 1979 | 854 |
| 1980 | 922 |
| 1981 | 932 |
| 1982 | 1,086 |
| 1983 | 1,106 |
| 1984 | 1,306 |
| 1985 | 1,347 |
| 1986 | 1,332 |
| 1987 | 1,470 |
| 1988 | 1,405 |
| 1989 | 1,612 |
| 1990 | 1,509 |
| 1991 | 1,711 |
| 1992 | 1,485 |
| 1993 | 1,536 |
| 1994 | 1,824 |
| 1995 | 2,025 |
| 1996 | 2,093 |
| 1997 | 2,224 |
| 1998 | 2,678 |
| 1999 | 2,454 |
| 2000 | 2,676 |
| 2001 | 2,675 |
| 2002 | 2,957 |
| 2003 | 3,226 |
| 2004 | 3,617 |
| 2004 | 24 |
| 2005 | 3,801 |
| 2006 | 3,618 |
| 2007 | 3,816 |
| 2008 | 3,535 |
| 2009 | 3,457 |
| 2010 | 3,427 |
| 2011 | 3,885 |
| 2012 | 4,001 |
| 2013 | 3,901 |
| 2014 | 4,310 |
| 2015 | 4,331 |
| 2016 | 4,699 |
| 2017 | 4,262 |
| 2018 | 3,969 |
| 2019 | 3,692 |
| 2020 | 3,260 |
| 2021 | 3,708 |
| 2022 | 3,621 |
| 2023 | 3,498 |
| 2024 | 3,333 |