John married Mary Jane Oulton 23 Jun 1840, , Westmorland, New Brunswick, Canada. Mary (daughter of Thomas Oulton and Jane Trenholm) was born 1819, Shemogue Corner, Westmorland, New Brunswick, Canada; died Bef Sep 1894. [Group Sheet]

1. John McCullough was born CA 1850, , , New Brunswick, Canada; died Yes, date unknown.
2. Olivia Jane McCullough was born 1 Aug 1849, Amherst, Cumberland, Nova Scotia, Canada; died 5 Sep 1909, Boston, Suffolk, Massachusetts, United States; was buried , Forest Hills Cemetery, Boston, , Massachusetts, United States.