Modern invented name, possibly a combination of De- and Asia
Deaysia is a contemporary American coinage. It likely follows the late 20th-century trend of adding the prefix 'De-' to established names or place names like Asia, which refers to the continent and carries connotations of sunrise or the east.
Fewer than 5 girls were named Deaysia in 2025.
US births per 5-year period, 1990–present (SSA data).