Of Andrew; manly or courageous
A modern American blend or elaboration, likely combining the prefix 'D-' with the name Andrea. Andrea itself is the feminine form of Andrew, which is derived from the Greek 'Andreas' meaning manly or brave.
Less common today
Dandrea isn't in the latest US Top 1000. It last peaked at #2,620 in 1990.
US births per 5-year period, 1990βpresent (SSA data).