Namesakes
British Prime Ministers:
1 prime minister
Ramsay MacDonald 1924; 1929-1935 
Canadian Prime Ministers:
1 prime minister
John A. Macdonald 1867-1873; 1878-1891
Notable Actors and Entertainers:
4 actors, 1 actor/comedian
Blossom Rock (a.k.a. MacDonald) 1895-1978
Jeanette MacDonald 1903-1965
Norm Macdonald 1959-2021
Kelly Macdonald 1976-
Danielle Macdonald 1991-
Notable Artists:
1 fashion designer
Julien Macdonald 1971-
Notable Musicians:
1 singer
Jeanette MacDonald 1903-1965
Notable Writers:
1 author/poet
George MacDonald 1824-1905
Olympic Medalists:
3 silver, 2 bronze, 1 gold
(silver) Garfield MacDonald 1908 triple jump
(silver) Bertram Macdonald 1924 3000 m team
(gold) Oliver Macdonald 1924 4x400 m relay
(bronze) Irene MacDonald 1956 diving - springboard
(silver) Gary MacDonald 1976 swimming - 4x100 m medley relay
(bronze) Linsey MacDonald 1980 4x400 m relay