Have you tried looking at the censuses?The Mormon Church has them on microfilm.
Census registers of Alscheid, Luxembourg, 1843-1900. The census was taken approximately every three years and includes all members of the household. Includes places, names, ages (sometimes a full birth date), professions, genders and whether married, single or widowed. Sometimes it gives nationality, religion, place of birth, and position in the family. Beginning in 1864 includes alphabetical list of names. Text in French and German.