We’ll never know for certain the complete list of descendants of John Blackburn (c1675-1752), but here’s the current known distribution among the generations of the 217,046 descendants recorded through April 29, 2024.
Breaking down those descendants by their second generation ancestor, the following distribution occurs:
The total of the descendants noted by child exceeds the 217,046 descendant total as several Blackburn descendants have more than one Blackburn ancestor. Also, we know that Sarah Blackburn(2) married and had at least one child, but her family remains a mystery.