This is an old post, so maybe you have already found this out but the father of this family appears as Andrew Harper (not James) in all the records. He lived 1806-1895 and for many years was Janitor of Shanes Castle in Randalstown. After his death, his two unmarried daughters Annie and Martha continued as Gatekeepers of the castle. Jane McCulloch Harper died in 1885. She was almost certainly the sister of John MacCulloch (1812-1876) who was a Forester at the castle and possibly of Grace McCulloch of Randalstown who married Joseph Bell in 1844.