Namesakes
American Presidents:
1 president
Grover Cleveland 1885-1889; 1893-1897 
Fictional Characters from Television:
1 character
Grover 1970 Sesame Street
Hall-of-Famers:
1 baseball
(baseball) Grover Cleveland Alexander 1938
Notable Actors and Entertainers:
2 actors
Gene Autry (a.k.a. Grover) 1907-1998
James Franciscus (a.k.a. Grover) 1934-1991
Notable Athletes:
1 baseball
(baseball) Grover Cleveland Alexander 1887-1950
Notable Musicians:
1 singer
Gene Autry (a.k.a. Grover) 1907-1998