John Chaddock was born in 1640 and was the son of Thomas Chaddock or Chadwick (1610) and Jane Tonge. He married Mary Atherton on 14th May 1665 in Wigan. He was buried in Upholland on 24th February 1723.

Sources
• 1. Angela Winward's data. John Chaddock. Born 1640. Father: Thomas Chaddock. Mother: Jane Tonge. Married Mary Atherton, 14 May 1665, Wigan. Buried 24 Feb 1723, Upholland.