Combination of the prefix De and the name Asia
Denasia is a modern American invented name. It likely combines the popular prefix 'De-' with the name 'Asia', which refers to the continent or is derived from the Greek word for the east or sunrise. It follows a rhythmic, multi-syllabic pattern common in African American naming traditions.
Less common today
Denasia isn't in the latest US Top 1000. It last peaked at #2,492 in 2003.
US births per 5-year period, 1990βpresent (SSA data).