Augustine Harmer was born in Worstead around 1750 and was the son of Augustine Harmer (1725) and Martha Palmer. He married Sarah Yaxley at Mundesley on 28th January 1777.

Sources
• 1. Hazel Fuller's files. Augustine Harmer married Sarah Yaxley on 28. 1. 1777 at Mundesley. Children: Hannah (1777), Augustine (1781), Augustine (1785).