Have you found any new information on the Dunnicas of Cole Co. MO? I believe my 4th great grandmother, Rhoda Dunnake (name spelled on marriage bond) was a sister to the James, John & William Hamilton Dunnica of Cole Co.
Rhoda married Reason Sansbury, 31 Aug 1809 in Knox Co. TN, then moved to Cole Co. MO. I just found in a book that Reason Sansbury & John Dunnica entered lands on Section 29 Cole Co. in 1826.
Another clue was Reason & Rhoda named their first child (my ggg grandfather) William Hamilton Sansbury. (after abrother or father?)
James and Wm Hamilton married Thomas sisters. James Dunnica married Philadelphia Pendleton Thomas. Wm Hamilton Dunnica married Sallie Minor Thomas.
I would love to hear from you if any of thing fits into your family line.