Marguerite Beatrice Child was born in New York on the 13th of December 1886. She was one of two children born to Homer Newton Child and Harriet Wright Child. Her sister, Dorothy Harriet was born three years later in 1889 in California. Homer, an engineer, was born in Franklin, Pennsylvania in 1866, and Harriet, born in 1867, came from Oneonta, Otsego, New York.
Harriet died in 1905 and Homer married for a second time in 1907. He and his new wife, Karoline Serrahn had four children together: Mildred, Homer Newton Jr., Elizabeth and Celinda.
In 1900, the U.S. Census records Marguerite and her sister Dorothy living with an aunt at 31 River Street, Oneonta (a house that still stands today) and attending the local schools. Marguerite graduated from Oneonta High School, class of 1902.
Marguerite later moved to Brooklyn where she lived for many years and worked as a teacher in the public school system for all of her working life. She was an avid traveller and made many trips to Europe where she visited Italy, Portugal, France, England, Spain, and the Netherlands.
Homer Newton Sr., died in 1938 and is buried in Des Moines, Iowa where he had lived for the previous 20 years. Dorothy Child died in 1955, also in Des Moines, Iowa.
Marguerite Beatrice Child died in New York on the 19th of October 1978 and was buried on Hart Island on the 1st of April 1981.