Deonca is a girl name. It last appeared in U.S. Social Security records in 1992. Deonca first appears in the data in 1978 and reached its peak in 1978 (10 births). The chart below shows how the name has risen and fallen over time.
How popular is Deonca? (U.S. births per year)
U.S. births per year, 1978–1992 · hover or tap for the count and national rank · source: U.S. Social Security Administration