Cook County, Illinois, Marriages Index, 1871-1920
Name: Celeste Lucaioli
Birth Year: abt 1876
Marriage Type: Marriage
Marriage Date: 16 Nov 1906
Marriage Place: Chicago, Cook, Illinois
Spouse Name: Pietro Gargasio (Gargano)
Spouse Age: 40
Spouse Gender: Male
FHL Film Number: 1030411
Unfortunately, marriage license does not contain any specific info on her birthplace.
If the following is your great grandmother, it appears she emigrated with Masini family for whom she worked as a maid. Last residence Rome.
Manifest markings show she may have naturalized in 1942. Her naturalization papers might give her birthplace.
Likewide, her Social Security application might give details on her birthplace.