Shelagh is a rare girls' name that was most common in the 1950s and has all but disappeared.
Shelagh is a girl name. It last appears in U.S. records in 1999. Shelagh was first reported in SSA data in 1942 and peaked in 1950 (22 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 1999 | 5 | 5 | #16,522 |
| 1996 | 6 | — | #13,231 |
| 1994 | 5 | — | #15,394 |
| 1992 | 7 | — | #11,537 |
| 1991 | 5 | — | #15,049 |
| 1990 | 10 | — | #8,409 |
| 1989 | 8 | — | #9,541 |
| 1988 | 9 | — | #8,288 |
| 1987 | 5 | — | #12,945 |
| 1986 | 7 | — | #9,394 |
| 1985 | 8 | — | #8,193 |
| 1984 | 6 | — | #10,182 |
| 1983 | 9 | — | #7,190 |
| 1981 | 6 | — | #10,188 |
| 1980 | 6 | — | #10,165 |
| 1979 | 8 | — | #7,922 |
| 1978 | 7 | — | #8,395 |
| 1977 | 8 | — | #7,448 |
| 1974 | 13 | — | #4,677 |
| 1973 | 12 | — | #4,811 |
| 1972 | 11 | — | #5,042 |
| 1971 | 13 | — | #4,497 |
| 1970 | 8 | — | #6,267 |
| 1969 | 20 | — | #3,087 |
| 1968 | 18 | — | #3,140 |
| 1967 | 18 | — | #3,052 |
| 1966 | 15 | — | #3,377 |
| 1965 | 16 | — | #3,241 |
| 1964 | 20 | — | #2,898 |
| 1963 | 20 | — | #2,847 |
| 1962 | 20 | — | #2,800 |
| 1961 | 22 | — | #2,664 |
| 1960 | 9 | — | #4,724 |
| 1959 | 6 | — | #6,121 |
| 1958 | 5 | — | #6,874 |
| 1957 | 17 | — | #2,908 |
| 1956 | 12 | — | #3,666 |
| 1955 | 15 | — | #3,077 |
| 1954 | 15 | — | #3,000 |
| 1953 | 6 | — | #5,573 |
| 1952 | 16 | — | #2,780 |
| 1950 | 22 | — | #2,115 |
| 1949 | 5 | — | #5,943 |
| 1948 | 5 | — | #5,921 |
| 1947 | 9 | — | #3,975 |
| 1946 | 5 | — | #5,595 |
| 1945 | 6 | — | #4,477 |
| 1942 | 6 | — | #4,574 |