Found her on the 1940 Queens, New York census (dist 41-829 img 1) as
Madeline G. Finger age 16.

Marriage vows were exchanged by Miss
Madeline Gertrude Finger, daughter of
Mr. and Mrs. Frank W. Finger of 209-10 47th avenue, Bayside, and Sergeant
Walter L. Warren, son of
Mr. and Mrs. W. L. Warren of 423 Pine avenue, Albany, Ga. The Rev. Walter E. Schwolert officiated at the Redeemer Lutheran Church. wedding trip.
Miss Finger is a life-long resident of Bayside and a graduate of Bayside High School and Plaza Business school. She was employed in the A. H. Ball Company, Manhattan, for more than three years.
Sergeant Warren is a graduate of Albany High School and was employed as a teller with the Citizen and Southern National Bank of Albany, Ga., for three years before entering the Army in 1942.
He is now stationed at the New York Port of Embarkation Army Post Office.
The couple will live with the bride's parents -
Star Journal August 21, 1945
Mr. and Mrs. Walter Warren of 209-10 47th Avenue, Bayside, announce the birth of their daughter, Lynne, in Flushing Hospital. The couple have a three-year old son, Walter Jr. Mrs. Warren is the former Madeline Finger.
Mr. Warren is commander of the Bayside Legion Post. Mrs. Frank Finger, mother of Mrs. Warren, a former resident of
Bayside, now of Auburn, N.Y., is a house guest at the Warren home. - Bayside Times January 25, 1951