It seems that Jewish comedians live to a ripe old age much more than the general population.
George Burns (100)
Henny Youngman (91)
Carl Reiner (90)+
Sid Caesar (89)+
Mel Brooks (85)+
Milton Berle (93)
Morey Amsterdam (87)
Jackie Mason (75)+
Jerry Lewis (86)+
Jerry Stiller (84)+
Anne Meara (83)+
Jack Benny (80)
Victor Borge (91)
The ones that are still alive (indicated by a ‘+’) are still mostly active professionally.
BTW, to REALLY live long, be a Borscht Belt comic who smokes a cigar!
Jerry Stiller is Jewish; his wife, Anne Meara, is not ethnically Jewish, but Irish Catholic by birth.