He is likely a grandson of Aaron5(Aaron4,John3-2,William1) Wilbur born in Little Compton, RI 22 July 1753, died in Trenton, Oneida Co., NY 21 July 1831. He lived in Trenton by 1814 along with his sons Barnabus and Gideon, who are the most likely suspects for being the father of your Aaron. Aaron5 Wilbur was a veteran of the American Revolution, as were his four brothers and his father. He was a descendant of the Mayflower passenger Richard Warren via his mother, Mary (Church) Wilbur. For several generations this family had lived in a house near where I grew up in Little Compton, it burned down around 1920 but the old cemetery is still there. My sources are Benjamin F. Wilbour, "Little Compton Families" and Oneida County rootsweb (death date for Aaron Wilbur, "Commission in Revolution" matches death date in "Little Compton Families") and census records.