In case its of help some other Robinson in Magheralin civil Parish includefrom
http://freepages.genealogy.rootsweb.ancestry.com/~rosdavies/SURNAMES/R/RobinsonMiss Elizabeth Robinson . Magheralin Daughter Of Henry Robinson ; Aged 25 Married James Mullen 22 Oct 1854 Cr
James Robinson . Magheralin Of Derrylisnehavel; Will Probated 1796;Co Armagh Side Iiw V4 P131
William Robinson . Magheralin Father Of Mrs. Sarah Hamilton Who Married George Savage 21 Sep 1852 Cr
from about 1865
http://griffiths.askaboutireland.ie/gv4/gv_family_search_results.php?familyRobinson Alexander Ballyleny Down Magheralin
Robinson James Ballymacbredan Down Magheralin
Robinson David Ballymacmaine Down Magheralin
Robinson Henry Dollingstown, Village Of Down Magheralin
Lawther William Ballymacmaine Down Magheralin
Copeton Robert Ballymacmaine Down Magheralin
Bell George Ballymacmaine Down Magheralin
then you can look up further drtails on each