The name Ketty appears to have seen its peak popularity between the late 1950s and early 1970s, with the highest number of births occurring in 1960 (9 births). However, it's notable that there were several years (1953, 1968, 1974, 1975, 1990, 1992, and 1995) with only 5 births each, indicating a consistent but relatively low popularity for the name Ketty throughout these periods.