Namesakes
Grammy Award Winners:
1 record of the year/album of the year
(record of the year/album of the year) Whitney Houston 1994 I Will Always Love You; The Bodyguard Soundtrack 
Hall-of-Famers:
1 football
(football) Ken Houston 1986
Notable Actors and Entertainers:
2 actors
Donald Houston 1923-1991
Glyn Houston 1925-2019
Notable Musicians:
2 singers
Thelma Houston 1946-
Whitney Houston 1963-2012
Olympic Medalists:
1 gold
(gold) Allan Houston 2000 basketball
Rock and Roll Hall-of-Famers:
1 musician
Whitney Houston 2020