Namesakes
Notable Musicians:
1 composer
Wolfgang Amadeus Mozart 1756-1791 
Notable Writers:
1 author
E. T. A. Hoffmann (a.k.a. Amadeus) 1776-1822
Saints:
3 blessed
Blessed Amadeus of Lausanne 1110-1159
Blessed Amadeus of Portugal 1420-1482
Blessed Amadeus IX 1435-1472
Spanish Kings and Queens:
1 king
King Amadeo I of Savoy (a.k.a. Amadeus) 1870-1873