The baby name Janyce appears in baby name data for the United States from 1934 to 1959. It was most popular in 1938 with 52 babies given the name.
Over the period shown, Janyce has stayed at a similar level of popularity.
| Year | Count |
|---|---|
| 1934 | 10 |
| 1936 | 10 |
| 1937 | 28 |
| 1938 | 52 |
| 1939 | 21 |
| 1940 | 20 |
| 1941 | 7 |
| 1942 | 6 |
| 1943 | 22 |
| 1944 | 10 |
| 1945 | 5 |
| 1946 | 37 |
| 1947 | 40 |
| 1948 | 27 |
| 1949 | 25 |
| 1950 | 28 |
| 1951 | 21 |
| 1952 | 21 |
| 1955 | 6 |
| 1958 | 5 |
| 1959 | 5 |