The baby name Gillis appears in baby name data for the United States from 1915 to 1951. It was most popular in 1916 with 16 babies given the name.
Over the period shown, Gillis has stayed at a similar level of popularity.
| Year | Count |
|---|---|
| 1915 | 5 |
| 1916 | 16 |
| 1925 | 15 |
| 1950 | 5 |
| 1951 | 12 |