There's an entry in this book that has mixed up two John STROUPs:
Daughters of the American Revolution of Ohio, compilers.1929."The Official Roster of the Soldiers of the American Revolution Buried in the State of Ohio."F.J. Heer Printing Co., Columbus, OH (also online at Genealogy.com).
On p. 335, it's written:
STROUP, JOHN, Madison co One of the four who fought in Rev; W B L Wt 40923-160-55 is for "Widow of invalid pensr wounded at Brandywine; mar Hannah Wintworth (?) 7-2-1801; soldier d 1831 in Phila Pa ?" Was a native of Pa. Mar Mary Steel (d 11-4-1835); soldr d 2-4-1832; bur rear of Maxey schoolhouse Madison co O. Inscript cop 1924: "__roup, __eb 4 1832 ___y." By side is stone "In memory of Mary wf of John Stroup d Nov 4 1835 æ 68 yrs.Came to Chillicothe O 1799; movd to Madison co O 1805; mentioned in Clarke co Hist. Rept by Capt Wm Hendricks chpt; Mrs Fred Hoch."
The elder John STROUP/STROOP (c1745-1831) married first on 11 Apr 1768 in Philadelphia to Rachel KEPHART/GEBHART (1749-1793) and second on 2 Jul 1801 in Philadelphia to Hannah WINTWORTH/WENTWORTH (1767/8->1855).He died 6 Mar 1831 and is buried in the West Laurel Hill Cemetery, Montgomery Co., PA.
The younger John STROUP (c1764-1832) married Mary STEELE/STEELY (1766/7-1835) in PA, then moved to Kentucky by 1796 and to Ohio by 1799.He lived in Chillicothe, Ross Co., OH, up through 1809, then in Madison Co., OH, from 1810 until his death there on 4 Feb 1832.
For further details, please see family group sheets linked below: