[RubinBoomer]

And, of course, there is the inconvenient fact that from 1619 to 1642 there was no slavery in the English colonies in America. There was indentured servitude

This is a absolutely correct. And it included whites. I have a descendant that arrived in the Province of Carolina in 1642. The ship's manifest listed him as a prisoner of the crown. He was bought into servitude instead of rotting in jail. Good choice, I guess. He labored on a plantation, err, swamp land, along the New River. Must have been brutally hot, mosquito infested work conditions.

[lepton]

I have a descendant that arrived in the Province of Carolina in 1642.

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That is extremely unlikely. :)