When Joshua T Ostrom was born on 10 February 1804, in Poughkeepsie, Dutchess, New York, United States, his father, Johannes Ostrum, was 30 and his mother, Sarah Tompkins, was 30. He married Polly Mary Fuller on 10 January 1827. They were the parents of at least 4 sons and 4 daughters. He lived in New York, United States in 1870. In 1872, at the age of 68, his occupation is listed as farmer of 71 acres in Richmondville, Schoharie, New York, United States. He died on 19 June 1888, in Richmondville, Richmondville, Schoharie, New York, United States, at the age of 84, and was buried in Richmondville, Richmondville, Schoharie, New York, United States.