This information I've accumulated might help a bit ...
Elam Blain (Allaim Blain), born 5/15/1760 New Jersey; at the age of seventeen, enlisted about May 1, 1778 in the Continental Establishment; was a private in Captain John Heard's Company, 4th Regiment, Light Horse Command of Continental Dragoons commanded by Colonel Anthony White in the Pennsylvania Regiment of Cavalry under Muster-Master General Stephen Moylan who was Secretary and Aide de Camp to Washington; listed in the list of officers and men in Pennsylvania in the War of the Revolution-Battalions and Line 1775-1783 edited by John Blair Linn and William Egle;on Pensioners List of 1818; total service during the Revolutionary War was three years; came to Harlem Township in 1820; died 11/22/1845
Abstr of Rev War Pen Files: "Blain, Alam, Catharine, W5834, BLW #5213-160-55, Cont line, sol appl 1 May 1818 Muskingum Cty OH, in 1820 sol was aged 61 with wife Catharine aged 59 & daughter Polly aged 25, wid appl 29 May 1847 in Delaware Cty OH aged 84 and a res of harlem Twnshp OH, m 5 Apr 1783, sol d 22 Nov 1846, wid appl for BLW 19 Mar 1855 Delaware Cty OH, wid's name before m. was Catharine Reed."
"My occupation is coaling - not able to work more than one third of my time. the number of my family residing with me is three, named Catherine (my wife) aged 59 - Polly aged 25, works out part of her time, owing to her mohter's sickness & inability to work, to help maintain the family & Alam, 11 years old, very weakly, and does not contribute in the least to my support"
Rev. War Pens. Application Aug 1820 In 1840, he was residing with his son Elam Blain. He is listed on the American Revolutionary War Pensioners Census for 1840.
Title: Genelogical Abstracts of Revolutionary War Pension Files Volume I: A-E Author: Virgil D. White Publication: The National Historical Publishing Company, Waynesboro, TN, 1990 Page: p. 283