Namesakes
Canadian Prime Ministers:
1 prime minister
Lester B. Pearson 1963-1968 
Hall-of-Famers:
1 ice hockey
(ice hockey) Lester Patrick 1947
Nobel Prize Winners:
1 peace
(peace) Lester B. Pearson 1957
Notable Actors and Entertainers:
1 actor, 1 actor/comedian
Curly Howard (a.k.a. Lester) 1903-1952
Tom Tryon (a.k.a. Lester) 1926-1991
Notable Athletes:
1 ice hockey
(ice hockey) Lester Patrick 1883-1960
Notable Journalists:
1 news presenter
(news presenter) Lester Holt 1959-
Notable Musicians:
1 musician, 1 singer
Les Paul 1915-2009
Johnny Nash (a.k.a. Lester) 1940-2020
Notable Scientists and Inventors:
1 inventor
Les Paul 1915-2009
Olympic Medalists:
2 gold, 1 bronze, 1 silver
(gold) Lester Smith 1924 swimming - 4x200 m freestyle relay
(gold) Lester Lane 1960 basketball
(silver) Les Carney 1960 200 m
(bronze) Dave Laut (a.k.a. Lester) 1984 shot put