In 1900, Flora Moyle was living in Beaver Falls, Beaver County, Pennsylvania. Born November 1890, she was living with her stepfather, Edward Allison, and mother, Clara.

Flora was the daughter of John Nicholas Moyle, born in London, England on February 12, 1866, and Clara V. McFarland, born in 1870, the daughter of William McFarland and Mary Elizabeth Amick. John and Clara married in Everett, Bedford County, Pennsylvania on September 3, 1890. They divorced in Bedford County in 1893, and Clara married Edward Allison (b 1869 Ohio), found in the 1900 census. John N. Moyle married Nellie Guthridge in 1893. John Moyle died March 27, 1950 in Huntingdon County, Pennsylvania.

Clara McFarland had a sister named Flora McFarland.

Flora Moyle, 24, was a "pupil nurse" at the St. Francis School of Nursing at the time of the 1910 Federal Census. The census indicates she was born in Maryland and her parents were born in Pennsylvania. She is also listed in the 1910 census of her widowed grandmother, Mary McFarlane [sic], in Scottdale, Westmoreland County. There, her age is stated as 19, her birthplace as Pennsylvania, and her father's birthplace as England. She was listed as a hospital nurse.

The grandmother died in 1923.

Flora D. Moyle is named in a news article about the St. Francis School of Nursing Alumni Association in October 1915.

In the 1917 Pittsburgh City Directory, Flora D. Moyle was a nurse, residing at 201 Millvale Avenue.

In 1920, Flora D. Moyle, 29, was a resident of 201 South Millvale Avenue, Pittsburgh, working as an industrial social worker.

Flora married Walter A. Hamilton in 1922.

They lived on Kentucky Avenue in both 1930 & 1940. In the 1930 census, Walter, 48, was employed as a salesman, and Flora, 39, was a nurse. In 1940 Flora was listed as a Registered Nurse.

Flora Moyle Hamilton, born November 2, 1890, died on March 17, 1970. Walter Arthur Hamilton was born in Pittsburgh on December 17, 1881 or 1882, and he died on December 22, 1972. They are buried at Allegheny Cemetery, Pittsburgh.