Jyll is a girl name. It last appeared in U.S. Social Security records in 1983. Jyll first appears in the data in 1954 and reached its peak in 1954 (9 births). The chart below shows how the name has risen and fallen over time.
| Year | U.S. births | Rank |
|---|---|---|
| 1983 | 5 | #15,748 |
| 1980 | 5 | #15,905 |
| 1979 | 7 | #12,291 |
| 1977 | 5 | #14,903 |
| 1973 | 5 | #13,047 |
| 1972 | 5 | #12,812 |
| 1971 | 7 | #10,195 |
| 1970 | 5 | #12,363 |
| 1968 | 8 | #7,993 |
| 1966 | 6 | #9,175 |
| 1961 | 6 | #9,332 |
| 1960 | 6 | #9,155 |
| 1959 | 7 | #8,168 |
| 1956 | 5 | #9,936 |
| 1954 | 9 | #6,583 |