To summarise the children of Roderick and/or Jessie:
Children of Roderick from 1851 census:
Ann - b.c. 1842, Feriintosh
Farquhar, b.c. 1846, Fodderty
William,b.c. 1849, Fodderty
Children of Roderick and Janet/Jessie from 1861-1881 censuses:
John, b.c. 1853, Dingwall
Mary, b.c. 1855, Contin
Jessie (Janet), b.c.1857, Fodderty - IGI 1856
Alexander, b.c. 1860, Fodderty - IGI 1859
Isabella, b.c. 1862, Rosskeen - IGI -1862
I'll try and find more about the new ones tomorrow.
Gadget