'He may have been born in Virginia but evidence to that effect has not been found. There is a possibility that he was the Robert Ingram mentioned in a land patent by Major John Word on 8 October 1670. He is first mentioned in the Surry County records when he was on a tithable list for 1683. He is shown to have been in the Colonial Militia in 1687.'
↑ Birth year (1655) estimated based on a mention of him in Surry County in 1683 and estimated birth years of his sons. If he was the "Robert Ingram mentioned in a land patent by Major John Word on 8 October 1670", then he was born closer to 1645.