man‎John Lytle‏‎
Born ‎15 Oct 1792, died ‎11 Dec 1864‎, age 72 years

Married ‎22 Mar 1853 at Westminster Presbyterian Church, Mifflintown, Juniata County, Pennsylvania, United States, age 60 years (married 11 years) to:

womanMary M Lyon‏, age by marriage 48 or 49 years, daughter of Lyon and N.N.‏.
Born ‎1804 at ,, Pennsylvania, United States, died ‎7 Apr 1888‎, age 83 or 84 years, buried at Westminster Presbyterian Cemetery, Mifflintown, Juniata County, Pennsylvania, United States

Possible aunt of John Cunningham? shows up in 1880 & 1870 Census in John Cunningham's HH. Further, Mabel's letter indicates her father's aunt (Mary Lytle) came to stay with him after his wife died.