Phyllis appears in U.S. registration data going all the way back to 1880, when records begin. Its popularity climbed over the following decades. In 1947, 9,187 babies were named Phyllis (ranked #37 nationally). Today it sits well outside the top 1,000 (around #7685), with roughly 16 babies named Phyllis each year. Phyllis has been declining in recent years. In total, around 323,361 babies have been registered with this name since 1880.