When Philip Henry Houtz was born on 5 July 1770, in Bethel Township, Lebanon, Pennsylvania, United States, his father, Henry Heinrich Houtz, was 24 and his mother, Maria Barbara Dubs, was 21. He married Anna Christina Koppenheffer on 2 December 1797, in Lancaster, Pennsylvania, United States. They were the parents of at least 3 sons and 6 daughters. He died on 30 August 1848, in Germantown, Montgomery, Ohio, United States, at the age of 78, and was buried in Ohio, United States.