Delancey Kane Jay was a war major, with a brilliant record in action in France.
Lived in Paris as a child because his father was in the diplomatic service.
Attended the Farnborough boarding school in England
Graduated from Havard College with an M.A. in Government
Graduated from Harvard Law School and then served as the Personal Secretary to the US Ambassador to England (Whitelaw Reid)
Swam the Hellespont in Constantinople
Married Elizabeth Sarah Morgan on 30 April 1910 at her home (Wheatly) on Long Island. They gave birth to six children; Elizabeth Morgan Jay, Peter Jay, Sybil Kane Jay, Theodora Moran Jay, Augusta Jay, and Katharine Archer Morgan Jay.
Helped to write the New York State Health Code
Trained as an officer (at his own expense) at the Plattsburg, NY camp and served on the Editorial & Managing Board of the Military Training Camps Association of the United States newspaper (National Service).
As a Major, he was awarded the Distinguished Service Cross for extraordinary heroism in action while serving with 307th Infantry Regiment, 77th Division, A.E.F., at Chateau du Diable, near Fismes, France, 27 August 1918
He died at the Jay family home in Westbury, NY.
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