William Horne (1580 – ????) was the 13th great-grandfather of Cometan, classified as one of Cometan’s distant paternal ancestors in the Hardacre family line. Other than the fact that he was born in Yorkshire, little else is known of William’s life expect for the fact that he was the father of Francisci Horne (1602 – ????), who is recorded as having been born at Newchurch in Rossendale, Lancashire.
In Cometanic ancestry, William is categorised as part of the 105h generation retrograde, classifying him as a distant ancestor of Cometan.