When Nellie G Tooker was born on 18 May 1886, in New York, United States, her father, John Henry Tooker, was 36 and her mother, Josephine Sophia Thomas, was 33. She lived in Brookhaven, Suffolk, New York, United States in 1920 and Manhattan, New York City, New York, United States in 1940. She died in March 1978, in Suffolk, New York, United States, at the age of 91, and was buried in Port Jefferson, Brookhaven, Suffolk, New York, United States.