Rasor/Raser/Healy

Seeking any info on John Raser/Rasor born 1786 PA (and wife Mary born PA, maiden name unknown) living in Washtenaw County, MI, from 1840's to after 1870.Known children are Edwin born abt 1815, married Susan Rose 1839 Washtenaw Co., Euphemia 1821-1903 married Alonzo Healy of Ann Arbor, and Tilman born abt 1828 married Marinda Edgar of IL and eventually moved to Kinmundy, IL, where he became a judge and state representative.