Evidentially they are not in everyone's tree because they are not in mine. I have not researched beyond Walter Raleigh Tillett. My research is primarily on the earlier Tilletts, going back to William Tillett and his wife Sarah Scarborough who are most likely the 4th great grandparents of Walter R. Tillett.
William Tillett patent 1730
His Excelly John Lord Carteret Palatin & Lords Proprietors of Carolina according to our great Deed of Grant bearing date the first Day of May Anno Dom 1668 given to our County of Albemarle
do hereby give & Grant unto William Tillet of our said County a Tract of Land containing Three hundred and Eight Acres lying in Curratuck precinct on the North Sand banks beginning at a Live Oak at Francis's Creek ENE 160 pole to a Pine NNW 308 pole to an Oak WSW 160 pole to Steels Gutt SSE 308 pole to the first Station being due for the Importation of one person for every Fifty acres as appears on Record under this Patent Paying unto us our heirs & Success'rs yearly every Twenty Ninth day of September the ffee Rent of One Shilling for every ffifty acres provided that if the sd. William Tillet shall not Seat & plant or cause to be Seated & Planted thereon within Three Years
then this patent to be Void otherwise to Stand & be in full force.
Given Under the Seal of the Colony the 31st Day of Augt. Anno Dom 1730
Witness our Trusty & well beloved Sr. Richd. Everard Bart. Gov. of No. Carolina and the rest of our Trusty & well beloved Counsellors who have hereunto set their hands.
Recorded in the Secrys Office
[NC State Archives Albemarle County Miscellaneous Records, 1678-1737 Microfilm Reel #C.002.10001]