Margaret Olivia Slocum (Mrs. Russell Sage) (1828-1918) was an American philanthropist. Upon the death of her husband she received a fortune estimated at more than $50,000,000, to be used as she saw fit. She was born at Syracuse, N. Y., and graduated from the Troy Female Seminary (later called the Emma Willard School) in 1847. 1828 was a leap year starting on Tuesday (see link for calendar). ... 1918 was a common year starting on Tuesday of the Gregorian calendar (see link for calendar) or a common year starting on Wednesday of the Julian calendar. ... Lady in Sag Harbor, New York who built the John Jermain Library ... Clinton Square in Downtown Syracuse Syracuse is an American city in Central New York. ... The Troy Female Seminary was founded by Emma (Hart) Willard in 1821 in Troy, New York. ... 1847 was a common year starting on Friday (see link for calendar). ...

Her greatest single benefaction was the gift of $10,000,000 in 1907 to establish the Russell Sage Foundation. Three years later she gave $2,750,000 for the development of the Russell Sage Foundation Homes, a suburban community at Forest Hills Gardens, Long Island. In 1912, she acquired Marsh Island in the Gulf of Mexico and dedicated it as a home for wild birds. Up to 1915, the sum total of Mrs, Sage's gifts surpassed $23,000,000. 1907 was a common year starting on Tuesday (see link for calendar). ... The Russell Sage Foundation is a small foundation located in New York City that is devoted exclusively to research in the social sciences. ... This article is about Long Island in New York State. ... 1912 was a leap year starting on Monday. ... Gulf of Mexico in 3D perspective. ... 1915 was a common year starting on Friday (see link for calendar). ...