An excellent source of genealogical information and personal history of the descendants of Rev Obadiah Holmes is the book:
This book is still in print and if you would like to obtain a copy please contact Mark Holmes, email adress: holmes (@rpi.edu).
Author: Holmes, James Taylor, 1837-1916
Title: The American Family of Rev. Obadiah Holmes
Place: Columbus, O.
Original Publisher: Stoneman Press
Year: 1915
Pub Type: Book
Format: 247 p. incl. plates, ports., facsims. 24 cm.
Subject: Holmes family (Obadiah Holmes, 1606-1682)