Forename:
Origin: French (Root: Andrew)
Meaning: Manly, Courageous

Surname:
Origin: The same as Ruyter, a knight, a chevalier.

According to the US Census Bureau°, 0.078% of US residents have the first name 'Andre' and 0.0136% have the surname 'Ritter'. The US has around 300 million residents, so we guesstimate there are 32 Americans who go by the name 'Andre Ritter'.