- Oct 1 Johnny Meijer, Dutch accordionist known as the "King of Accordions" (Body & Soul), born in Amsterdam, The Netherlands (d. 1992)
- Oct 3 Gabriel Julian, American pianist (Bobby Byrne Orchestra), arranger (Glenn Miller), and bandleader (Alabama Cavaliers Jazz Ensemble), born in Newark, New Jersey (d. 2002)
- Oct 4 Alfonso Letelier (-Llona), Chilean composer and educator (El Hombre ante la Ciencia - (Man Before Science)), born in Santiago, Chile (d. 1994)
- Oct 4 John de Mol Sr., Dutch accordionist, and orchestra leader (Baantjer, Pril Geluk), born in The Hauge, Netherlands (d. 1970)
- Oct 6 Anthony Cuthbert Baines, English music scholar (d. 1997)
- Oct 9 Henri Dillon, French composer (Arlequin), born in Angers, France (d. 1954)
- Oct 13 Hugo Weisgall, American composer (4 Impressions), born in Ivančice, Czech Republic (d. 1997)
- Oct 15 Nellie Lutcher, American jazz and R&B singer, pianist, and songwriter ("Hurry On Down"; "He's a Real Gone Guy"), born in Lake Charles, Louisiana (d. 2007)
- Oct 21 (Carlos) "Don" Byas, American swing and be-bop jazz saxophonist, and bandleader, born in Muskogee, Oklahoma (d. 1972)
- Oct 21 Georg Solti [György Stern], Hungarian-British conductor, winner of 31 Grammy awards (Chicago Symphony, 1969-91), born in Budapest, Hungary (d. 1997)
- Oct 27 Conlon Nancarrow, American-Mexican composer, often of player piano music (Soundings 4), born in Texarkana, Arkansas (d. 1997)
- Oct 27 Gösta Törner, Swedish hot jazz and session trumpeter and bandleader, born in Stockholm, Sweden (d. 1982)
- Oct 31 Dale Evans, American actress and singer (Roy Rogers Show), born in Uvalde, Texas (d. 2001)
About October 1912
How Old? 111 years old
Generation: Greatest Generation
Leap Year: Yes
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