Mathias married Melvina Maria Strang 1 Jul 1865, , , Prince Edward Island, Canada. Melvina (daughter of George Chappell Strang and Sarah Ann Trerice) was born Abt 1848, , , New Brunswick, Canada; died Yes, date unknown. [Group Sheet]

1. George Allison McArthur was born 27 May 1866, , , Prince Edward Island, British North America; died 14 Sep 1867, Cambridge, Middlesex, Massachusetts, United States.
2. Annie Belle McArthur was born 16 Oct 1867, Cambridge, Middlesex County, Massachusetts, United States of America; died 11 Oct 1933, Amherst, Hillsborough County, New Hampshire, United States of America; was buried , Meadow View Cemetery, Amherst, Hillsborough, New Hampshire, United States.
3. Minnie Etta McArthur was born Apr 1868, Cambridge, Middlesex, Massachusetts, USA; died Bef 1954.
4. Carrie McArthur was born 29 Apr 1869, Cambridge, Middlesex, Massachusetts, United States; died Bef 1954.
5. William J. McArthur was born CA 1871, , , Prince Edward Island, Canada; died Yes, date unknown.
6. Frank McArthur was born 1 Apr 1873, Belmont, Middlesex, Massachusetts, United States; died Yes, date unknown.
7. Mary Jane McArthur was born CA 1875, , , Prince Edward Island, Canada; died Yes, date unknown.
8. Margaret McArthur was born 20 Sep 1877, , , Prince Edward Island, Canada; died 31 Jan 1958, Kalamazoo, Kalamazoo, Michigan, United State; was buried , , Augusta, , Michigan, United States.
9. Donald MacLean McArthur was born 21 Sep 1879, , , Prince Edward Island, Canada; died 11 Aug 1944, Amherst, Hillsborough, New Hampshire, United States; was buried , Meadow View Cemetery, Amherst, Hillsborough, New Hampshire, United States.