The baby name Peggy appears in baby name data for the United States from 1910 to 2019. It was most popular in 1958 with 12,999 babies given the name.
In the later years of this period, Peggy has become less common than it once was.
| Year | Count |
|---|---|
| 1910 | 219 |
| 1911 | 185 |
| 1912 | 285 |
| 1913 | 302 |
| 1914 | 425 |
| 1915 | 495 |
| 1916 | 691 |
| 1917 | 718 |
| 1918 | 983 |
| 1919 | 902 |
| 1920 | 1,090 |
| 1921 | 1,226 |
| 1922 | 1,496 |
| 1923 | 1,931 |
| 1924 | 2,579 |
| 1925 | 3,359 |
| 1926 | 3,785 |
| 1927 | 4,150 |
| 1928 | 5,360 |
| 1929 | 6,048 |
| 1930 | 6,610 |
| 1931 | 8,391 |
| 1932 | 8,978 |
| 1933 | 9,068 |
| 1933 | 5 |
| 1934 | 9,275 |
| 1935 | 9,282 |
| 1936 | 9,119 |
| 1936 | 6 |
| 1937 | 9,380 |
| 1937 | 12 |
| 1938 | 9,342 |
| 1939 | 7,360 |
| 1939 | 8 |
| 1940 | 7,966 |
| 1941 | 7,327 |
| 1941 | 5 |
| 1942 | 7,450 |
| 1943 | 8,889 |
| 1944 | 6,822 |
| 1945 | 6,637 |
| 1946 | 8,431 |
| 1947 | 10,781 |
| 1948 | 11,003 |
| 1949 | 10,969 |
| 1950 | 10,946 |
| 1951 | 12,289 |
| 1952 | 12,411 |
| 1953 | 12,123 |
| 1954 | 10,859 |
| 1955 | 10,029 |
| 1956 | 9,842 |
| 1957 | 9,471 |
| 1958 | 12,999 |
| 1959 | 9,600 |
| 1960 | 8,624 |
| 1961 | 7,465 |
| 1962 | 6,498 |
| 1963 | 4,914 |
| 1964 | 4,920 |
| 1965 | 3,909 |
| 1966 | 3,369 |
| 1967 | 2,823 |
| 1968 | 2,708 |
| 1969 | 2,677 |
| 1970 | 2,403 |
| 1971 | 2,165 |
| 1972 | 1,634 |
| 1973 | 1,414 |
| 1974 | 1,146 |
| 1975 | 1,065 |
| 1976 | 897 |
| 1977 | 883 |
| 1978 | 721 |
| 1979 | 561 |
| 1980 | 556 |
| 1981 | 490 |
| 1982 | 384 |
| 1983 | 279 |
| 1984 | 363 |
| 1985 | 302 |
| 1986 | 270 |
| 1987 | 218 |
| 1988 | 228 |
| 1989 | 163 |
| 1990 | 165 |
| 1991 | 70 |
| 1992 | 66 |
| 1993 | 114 |
| 1994 | 34 |
| 1995 | 61 |
| 1996 | 6 |
| 1997 | 34 |
| 1999 | 26 |
| 2000 | 10 |
| 2006 | 5 |
| 2007 | 7 |
| 2011 | 6 |
| 2019 | 12 |