The baby name Leah appears in baby name data for the United States from 1910 to 2024. It was most popular in 2009 with 7,268 babies given the name.
In the later years of this period, Leah has become more popular compared with earlier years.
| Year | Count |
|---|---|
| 1910 | 160 |
| 1911 | 173 |
| 1912 | 337 |
| 1913 | 405 |
| 1914 | 520 |
| 1915 | 651 |
| 1916 | 590 |
| 1917 | 658 |
| 1918 | 714 |
| 1919 | 634 |
| 1920 | 601 |
| 1921 | 485 |
| 1922 | 559 |
| 1923 | 623 |
| 1924 | 649 |
| 1925 | 551 |
| 1926 | 581 |
| 1927 | 442 |
| 1928 | 534 |
| 1929 | 398 |
| 1930 | 402 |
| 1931 | 331 |
| 1932 | 308 |
| 1933 | 383 |
| 1934 | 393 |
| 1935 | 388 |
| 1936 | 332 |
| 1937 | 453 |
| 1938 | 413 |
| 1939 | 399 |
| 1940 | 367 |
| 1941 | 322 |
| 1942 | 296 |
| 1943 | 267 |
| 1944 | 247 |
| 1945 | 224 |
| 1946 | 319 |
| 1947 | 420 |
| 1948 | 354 |
| 1949 | 489 |
| 1950 | 510 |
| 1951 | 551 |
| 1952 | 594 |
| 1953 | 665 |
| 1954 | 598 |
| 1955 | 659 |
| 1956 | 809 |
| 1957 | 919 |
| 1958 | 807 |
| 1959 | 889 |
| 1960 | 955 |
| 1961 | 978 |
| 1962 | 1,232 |
| 1963 | 1,349 |
| 1964 | 1,535 |
| 1965 | 1,492 |
| 1966 | 1,503 |
| 1967 | 1,764 |
| 1968 | 1,875 |
| 1969 | 1,753 |
| 1970 | 1,919 |
| 1971 | 1,990 |
| 1972 | 1,789 |
| 1973 | 1,807 |
| 1974 | 2,032 |
| 1975 | 2,422 |
| 1976 | 2,606 |
| 1977 | 3,127 |
| 1978 | 3,315 |
| 1979 | 3,697 |
| 1980 | 4,241 |
| 1981 | 4,266 |
| 1982 | 4,304 |
| 1983 | 3,934 |
| 1984 | 4,021 |
| 1985 | 4,191 |
| 1986 | 4,133 |
| 1987 | 4,317 |
| 1988 | 4,411 |
| 1989 | 4,823 |
| 1989 | 14 |
| 1990 | 4,510 |
| 1991 | 4,872 |
| 1992 | 3,943 |
| 1993 | 4,031 |
| 1994 | 3,936 |
| 1995 | 3,720 |
| 1996 | 3,820 |
| 1997 | 3,831 |
| 1998 | 4,131 |
| 1999 | 3,718 |
| 2000 | 3,902 |
| 2001 | 3,827 |
| 2002 | 3,899 |
| 2003 | 4,281 |
| 2004 | 6,146 |
| 2004 | 18 |
| 2005 | 5,981 |
| 2006 | 5,815 |
| 2007 | 5,723 |
| 2008 | 6,271 |
| 2009 | 7,268 |
| 2010 | 6,784 |
| 2011 | 7,203 |
| 2012 | 6,458 |
| 2013 | 5,668 |
| 2014 | 5,680 |
| 2015 | 6,180 |
| 2016 | 7,110 |
| 2017 | 6,785 |
| 2018 | 6,182 |
| 2019 | 5,356 |
| 2020 | 4,975 |
| 2021 | 5,305 |
| 2022 | 5,201 |
| 2023 | 4,920 |
| 2024 | 4,741 |