Thomas and Rebecca were from Maryland. Married in 1783.
Land Records Licking County, Ohio
Volume G pg 231 & 232
Samuel Deweese and wife; Thomas Dugan and wife and Wm McDaniel and wife sold land the 24th March 1819 to Amos H. Caffee for $100, Lot #8 in Newark.
Just prior to that record Volume G, pages 230-231 Rebecca Dugan, widow of Thomas Dugan released her dower right to Amos Caffee.
Other releases - James Dugan 23, August 1825 for $20 left to James/Mariah Dugan , son of Thomas Dugan plus 5 more.
Also Samuel/Mary "Polly" Deweese; Thomas/Catherine Dugan; Wm./Jane McDaniel; and Rebecca Dugan, widow plus one more later on. Zachariah Dugan 17, Nov. 1823 to A.H. Caffee for undivided 6th part of Lot # 8.