Data for Peter's spouse and descendants come solely from 1850 Fayette Co Census (http://usgenweb/archives/in/fayette/census/1850/pg0271b.txt)
Peter Messersmith is in the 1820 Columbia Twp Fayette census: 2 boys under ten, Peter 16-26, 1 girl under ten, 1 woman 26-45. John Williams, age 16-26 living with a female 10-16 is nearby.
William Ellet household in ED 77 Huntington Co IN 1900 census, age 41, born OH, parents born OH, worked on RR, wife Susannah, son Monro 13, Laura 3.
occ. fireman, Huntington Co, Ind.