Deda is of Slavic origin, specifically from Bulgarian and Macedonian backgrounds. It is a unisex name, derived from the Proto-Slavic element 'ded-', meaning 'grandfather'. In some cultures, it may also be associated with the word 'dedia' which means 'godparent'. The name has been used historically among Slavic peoples and continues to be popular in Bulgaria and Macedonia today.
"Deda was a popular baby girl's name in 1976, with five newborns bearing that moniker."