I have several Adam Deems on my chart, but none that I can definitely identify as the one to which you refer:
Adam Deem, son of John Nicholas Deem (b.21 Nov 1756in Maryland per LDS, d: 1833 in Astoria Cemetery, Poastown, Ohio or 30 Aug 1835). John's wife was Mary Dils. I have no info on Adams wife or children.
Adam Deem, son of Mark Deem (b. ca1754,d: April 14, 1814 in Pike Run, Washington Co, PA).
Adam Deem b. January 10, 1761 in Hagerstown, MD, d: September 07, 1856 in Ritchie County, VA. married Catherine Fought or Foughty. Adam was he son of Johannes Adam Diehm b. 1731 in Haslach Germany, d: March 08, 1802 inUniontown,Fayette County, PA.
Adam Deem (“a minister who went west to Indiana”). Adam was the son of Phillip Deem b. January 10, 1785 in Bedford County, PA, d: January 04, 1865 in Ritchie County, VA. Phillip married Rachel Kidwiler.
Adam Deem who married Hannah Deem. Hannah was the daughter of the above Adam Deem and Catherine Fought or Foughty.
Adam Deem III b. ABT. 1837 in Wood Co., (W.) Va.. I have no marriage info on him.
Adam Deem married Elizabeth A. Holland on June 23, 1871. Adam and Elizabeth lived in Jackson County, Ohio.
I will let you know if I find any more info that might help you.