Joahnna is a girl name. It last appeared in U.S. Social Security records in 1991. Joahnna first appears in the data in 1990 and reached its peak in 1990 (5 births). The chart below shows how the name has risen and fallen over time.
How popular is Joahnna? (U.S. births per year)
U.S. births per year, 1990–1991 · hover or tap for the count and national rank · source: U.S. Social Security Administration