Kimmy is of American origin, derived from the name Kimberly, which means 'from the woodlands' or 'meadow'. It gained popularity in the late 20th century and was particularly prevalent in the United States during the 1970s and 1980s. The variant spelling Kimmy is a more casual and often used as a nickname or short form of Kimberly.
The name Kimmy experienced a steady increase in popularity from the late 1950s to the mid-1960s, peaking with 22 births in 1959 and 21 births in 1964. However, its prevalence declined thereafter, dropping below 10 births per year after 1970.