The baby name Phyllis appears in baby name data for the United States from 1910 to 1999. It was most popular in 1929 with 11,563 babies given the name.
In the later years of this period, Phyllis has become less common than it once was.
| Year | Count |
|---|---|
| 1910 | 401 |
| 1911 | 538 |
| 1912 | 925 |
| 1913 | 1,256 |
| 1914 | 1,694 |
| 1915 | 2,578 |
| 1916 | 3,003 |
| 1917 | 3,374 |
| 1918 | 4,116 |
| 1919 | 3,930 |
| 1920 | 4,704 |
| 1921 | 5,733 |
| 1922 | 5,783 |
| 1923 | 7,146 |
| 1924 | 8,712 |
| 1925 | 9,195 |
| 1926 | 9,977 |
| 1927 | 10,718 |
| 1928 | 11,543 |
| 1929 | 11,563 |
| 1930 | 11,408 |
| 1930 | 5 |
| 1931 | 9,705 |
| 1932 | 9,883 |
| 1933 | 9,758 |
| 1934 | 9,394 |
| 1935 | 9,183 |
| 1936 | 9,498 |
| 1937 | 9,380 |
| 1937 | 5 |
| 1938 | 9,724 |
| 1938 | 5 |
| 1939 | 9,143 |
| 1940 | 9,116 |
| 1941 | 8,371 |
| 1942 | 9,315 |
| 1942 | 7 |
| 1943 | 9,904 |
| 1943 | 5 |
| 1944 | 8,542 |
| 1944 | 5 |
| 1945 | 7,817 |
| 1946 | 9,642 |
| 1947 | 11,512 |
| 1948 | 9,806 |
| 1949 | 9,068 |
| 1950 | 9,022 |
| 1951 | 9,041 |
| 1952 | 8,499 |
| 1953 | 8,088 |
| 1954 | 7,338 |
| 1955 | 7,076 |
| 1956 | 7,370 |
| 1957 | 7,070 |
| 1958 | 6,804 |
| 1959 | 6,246 |
| 1960 | 6,017 |
| 1961 | 5,301 |
| 1962 | 4,570 |
| 1963 | 3,682 |
| 1964 | 3,633 |
| 1965 | 3,169 |
| 1966 | 2,471 |
| 1967 | 1,705 |
| 1968 | 1,378 |
| 1969 | 1,086 |
| 1970 | 969 |
| 1971 | 769 |
| 1972 | 571 |
| 1973 | 470 |
| 1974 | 321 |
| 1975 | 364 |
| 1976 | 255 |
| 1977 | 274 |
| 1978 | 226 |
| 1979 | 199 |
| 1980 | 173 |
| 1981 | 158 |
| 1982 | 141 |
| 1983 | 156 |
| 1984 | 147 |
| 1985 | 104 |
| 1986 | 75 |
| 1987 | 102 |
| 1988 | 73 |
| 1989 | 35 |
| 1990 | 47 |
| 1991 | 22 |
| 1992 | 50 |
| 1993 | 41 |
| 1994 | 31 |
| 1995 | 19 |
| 1996 | 26 |
| 1997 | 10 |
| 1998 | 5 |
| 1999 | 5 |