Lynette,
There are 8 SHERRARD memorials in Mallusk cemetery.
Only 2 mention a James.
One is dated 1983, so not relevant.
The other, dated 1880, simply states "The burial place of James Sherrard, Belfast".
Location Ref: 124E in the "old" section.
[On the right, behind the hut, as you stand in the entrance off Park Road.]
There are no references to CHAPMAN on any memorial.
MALLUSK MEMORIALS
NIFHS, July 1997
ISBN 0-9524698-1-2
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There are a lot of SHERRARDs about (big families) and they tended to scatter to the winds.
Many ended up in Philadelphia.
[The ones from near Belfast were originally Scottish SHEARERs.]
Capt. Jock