In 1920 Florence was living with her parents in Hackensack, Bergen County, New Jersey.

In 1930 she was living with her widowed mother, her sister Leona and her brother Harry at 5 Prospect Avenue, Hackensack, Bergen County, New Jersey. Louis C. Fritz, later the husband of Leona, was living with the family as a boarder.

Florence married, — –, 193–, George H— McIlwain. He was born July 12, 1902 in —, New Jersey, the son of David McIlwain and Emma (Pfeiffer) McIlwain.

George and Florence lived in Closter, Bergen County, New Jersey in 1935 and 1940. In the later year George's occupation was given as carpenter, and Florence's as telephone operator. An infant named Donald Holly, born in New York, was living with them.

Florence McIlwain was living at 49 Chestnut Avenue, Chester, Morris County, New Jersey in 1947, when her great uncle Oscar Traudt died.

Florence's Social Security card was issued in New Jersey before 1951. George's Social Security card was issued in New York before 1951.

Florence retired as a receptionist.

Florence moved to central Florida in 1982.

Florence was a member of St. Luke's Lutheran Church.

In 1992 Florence lived on Fountain Drive, Oviedo, Seminole County, Florida. She died Sunday, August 2, 1992 in —, Orange County, Florida, aged 78. Survivors included her husband George, sister Dorothy Gnerlich, and brother Harry Crowell. Arrangements were handled by the Baldwin-Fairchild Funeral Home, Goldenrod, Florida. Burial was in Saint Lukes Lutheran Church Cemetery, Oviedo, Seminole County, Florida.

In 2002 George lived in Oviedo. He died Friday, June 21, 2002, aged 92. Arrangements were handled by the Baldwin-Fairchild Funeral Home, Goldenrod Chappel. He was buried beside his wife in Saint Lukes Lutheran Church Cemetery, Oviedo, Seminole County, Florida. Their grave marker bears the following inscription:

Photo from findagrave.com.