All gravestones are in the Union Cemetery at the top of Church Street.  Click to see larger photo:
James Heathcote
Apr 27, 1787
Sep 11, 1861
Age 74
Mark Heathcote
1796
1881
Age 85
Charles Heathcote
Mar 15, 1820
Feb 3, 1906
Age 85
Mark Radcliffe
1827
1904
Age 77
George Shaw
1829
1913
Age 84

Ref: https://www.ancestry.com/genealogy/records/mark-heathcote_172701095
  Parents of James, Mark, William Heathcote:
    Father: John B. Heathcote 1765-1851
    Mother: Alice Neild 1765-1833
    Wife: Mary Ann Hall ?-1857
    Daughter: Martha Ann Heathcote 1830-1910
    Alice Heathcote 1820-?

Ref: http://usgwarchives.net/pa/york/bios/gibson/heathcote-william.txt
Ref: wikitree.com/wiki/Heathcote-78
Ref: ancestry.com/boards/surnames.heathcote/193/mb.ashx
    Charles & Jane had children: Matthew 1853, Sarah Ellen 1865, Mattie E 1871-who married Roland F. Seitz
        Roland & Mattie had children: Charlotte J (1904-1999) and Nevin H. Seitz (1906-2003)
            Charlotte & George W. S. Zelley son: Dr. Lee Seitz Zelley (married Karen)
            Ref: wikipedia.org/wiki/Roland_F._Seitz