Joseph was born in 1811. He is the son of Joseph Sellar and Mary Gillespie.
<https://www.findmypast.co.uk/transcript?id=SCOT%2FOPR%2FBAP%2F1149534>
<https://www.findmypast.co.uk/transcript?id=GBC/1851/0019031744>
<https://www.findmypast.co.uk/transcript?id=GBC/1861/0022068776>
<https://www.findmypast.co.uk/transcript?id=GBC/1871/0026178593>
<https://www.scotlandspeople.gov.uk/record-results/26212963963dfcafadddf0>