He married Sarah Malcomsom (1827–1904), daughter of Robert Malcomson, and together they had seven children - Charles (1854–1914), Robert (1856–1883), Gilbert (1858–?), David (1865–1914), William Henry (1861–1948), Catherine (1862–1924), and Margaret Ann (1867–1932).
On July 23, 1870, David Hartin purchased the former Malcomson Tavern in Bells Corners from then owner William Corbett Junior. who had acquired it from Malcomson in 1855. Unfortunately, in August of that year it was destroyed in the great fire. He subsequently rebuilt a larger stone structure on the site in 1871 and named it Hartin"s Hotel.
lieutenant still stands today as the home of the East India Company restaurant and conference centre.
lieutenant is one of the oldest buildings in Bells Corners. In November 2014 it was designated a heritage building by Ottawa City Council.
45°19′30″North 75°49′36″West
The three youngest were all attending school. One structure is visible in the 1879 Belden map.
