- Oct 1 Alice Joyce, American actress (Song O' My Heart), born in Kansas City, Missouri (d. 1955)
- Oct 1 Constantin C. Nottara, Romanian composer (d. 1951)
- Oct 1 Stanley Holloway, English actor (Higgins-Our Man Higgins), born in London, England (d. 1982)
Groucho Marx (1890-1977)
Oct 2 American comedian (Marx Bros, You Bet Your Life), born in NYC, New York
- Oct 3 Henry Hull, American actor (Tobacco Rd, Boys Town, High Sierra), born in Louisville, Kentucky (d. 1977)
- Oct 5 Kasimir Edschmid, German writer, born in Darmstadt, Germany (d. 1966)
- Oct 8 Eddie Rickenbacker, American aviator "Ace of Aces" (WWI), born in Columbus, Ohio (d. 1973)
- Oct 8 Philippe Thys, Belgian cyclist (three times winner of Tour de France), born in Anderlecht, Belgium (d. 1971)
- Oct 8 Snuffy Browne [Cyril Rutherford Browne], West Indian cricketer (pioneer WI Test player), born in St. Michael, Barbados (d. 1973)
- Oct 9 Aimee Semple McPherson, Canadian-American evangelist (Pentecostal), born in South-West Oxford, Canada (d. 1944)
- Oct 9 Alfred Swan, Russian composer, born in St. Petersburg, Russia (d. 1970)
- Oct 9 Jānis Mediņš, Latvian composer, born in Riga, Latvia (d. 1966)
- Oct 12 Luis de Freitas Branco, Portuguese composer, born in Lisbon, Portugal (d. 1955)
- Oct 13 Conrad Richter, American writer (Light in the Forest), born in Tremont, Pennsylvania (d. 1968)
- Oct 13 Gösta Nystroem, Swedish composer, born in Silvbergs, Sweden (d. 1966)
Dwight D. Eisenhower (1890-1969)
Oct 14 34th US President (Republican: 1953-61) and World War II general, born in Denison, Texas
Michael Collins (1890-1922)
Oct 16 Irish revolutionary leader and leading figure in the struggle for Irish independence in the early 20th century, born in Clonakilty, Ireland
- Oct 16 Paul Strand, American photographer (Native Land-1942), born in NYC, New York
- Oct 17 Roy Kilner, English cricketer (d. 1928)
- Oct 18 [Agathe] Henriette [M de Beaufort], Dutch author (Rembrandt)
- Oct 20 Ferdinand "Jelly Roll" Morton [LeMothe], American jazz pioneer pianist and composer (King Porter Stomp), born in New Orleans, Louisiana (d. 1941)
- Oct 21 Gerrit Engelke, German writer/poet (Love Letters)
- Oct 24 Kathleen Lockhart Manning, American composer, born in Hollywood, California (d. 1951)
- Oct 24 Main Rousseau Bocher, American uniform designer (Red Cross, Girl Scouts, Waves), born in Chicago, Illinois (d. 1976)
- Oct 28 Andrés Isasi, Spanish Basque composer, born in Bilbao, Spain (d. 1940)
- Oct 29 Claire Goll, German-French writer, born in Nuremberg (d. 1977)