Armour, aka James Armour and wife Elizabeth (McFarland?) Smith were both born in Londonderry, Ireland.
With their children, they immigrated to Philadelphia, Pennsylvania, USA in approximately 1837 and stayed in Pennsylvania for a few years.
Later they migrated to the Seneca County, Ohio and purchased farmland.
Children were:
John McFarland Smith b. 10 Aug 1826 Ireland d. 17 Apr 1898 Ohio
Thomas Smith b. 1 Oct 1829 Ireland d. 12 Apr 1873 Ohio
Anna Smith b. 1 Aug 1832 Ireland d. 7 Sep 1902 Ohio
Mary Jane b. 3 Mar 1835 Ireland d. 28 Nov 1909 California
I have much more information of descendants and and willing to share.