Jer is a unisex name. It last appeared in U.S. Social Security records in 1990. Jer first appears in the data in 1965 and reached its peak in 1980 (6 births). The chart below shows how the name has risen and fallen over time.
How popular is Jer? (U.S. births per year)
U.S. births per year, 1965–1990 · hover or tap for the count and national rank · source: U.S. Social Security Administration