found: Great original hits of the '50's and 60's [SR] p1974:label (The Singing Nun) jacket notes (Sister Luc-Gabrielle, a young Dominican nun [from] Fichermont Convent, near Waterloo, Belgium; the other nuns called her "Soeur Sourire" ("Sister Smile"))
found: MBMSR, 1968-72(Luc Dominique, soeur, 1933-)
found: Guinness encyclopedia of popular music, 2nd ed.(Singing Nun; b. Janine Deckers, 1928; d. 3-31-85; better known as Sister Luc-Gabrielle of the Fichermont Convent in Brussels; her album "Soeur Sourire" (Sister Smile) issued in 1962; Debbie Reynolds starred in 1966 film of her life)
found: Whitburn, J. Top pop singles, 1955-1990, 1991(Singing Nun, The; Sister Luc-Gabrielle (real name Jeanine Deckers) from the Fichermont, Belgium convent; recorded under the name Soeur Sourire ("Sister Smile"); committed suicide 3-31-85 (age 52))
found: Wikipedia, January 29, 2019(the Singing Nun; born Jeanne-Paule Marie Deckers, October 17, 1933, Laeken, Brussels, Belgium, died March 29, 1985, Wavre, Brabant, Belgium; known as Sœur Sourire ("Sister Smile"), often credited as the Singing Nun in English-speaking countries; Belgian singer-songwriter and initially a member of the Dominican Order in Belgium as Sister Luc-Gabrielle)
found: French Wikipedia, January 29, 2019(Sœur Sourire; born Jeanne-Paule Marie Deckers (called Jeanine), October 17, 1933, Brussels, Belgium, died March 29, 1985, Wavre, Belgium; religious name: sœur Luc-Gabriel; Belgian Dominican nun and singer; she used the name Luc Dominique after leaving her order in 1967)