When Henry Evans Caster was born on 2 July 1850, in Jay, Indiana, United States, his father, James Castor, was 41 and his mother, Rebecca Juliett Ann Wilkinson, was 30. He married Josephine Abel on 19 November 1873, in Jay City, Wabash Township, Jay, Indiana, United States. They were the parents of at least 1 son and 4 daughters. He lived in Gasper Township, Preble, Ohio, United States in 1870. He died on 1 March 1919, in Wayne Township, Jay, Indiana, United States, at the age of 68, and was buried in Little Salamonia Cemetery, Portland, Wayne Township, Jay, Indiana, United States.