I find no Thomas Letts with the right middle initial.On page 440 of the text, "The Letts Line" there is a Nathan M. Letts born Dec 1876 in Manahawkin, Stafford TWp., Ocean County, NJ.His wife was Katherne W. Paul born April 1883. Nathan's parents: Thomas H.Letts26 Mar 1843 - 1910.Thomas was born in the same place as his son. He married Sarah C. Cranmer, daughter of Edward Cranmer 10 sept 1871.Sarah was born in Barnegat, Monmouth Co. NJ.Nathan was a farmer. Nathan's parents: Job Letts 1802-1878 & Naomi Lamson Letts born 7 sep 1808 - 10 Mar 1870. Both are buried in the Methodist Cemetary in Manahawkin, Stafford Twp, Ocean Co, NJ.Job was the son of William Letts.