Rob
That's what I have in my database
William Corkill 6 Jun 1790 md 6 Mar 1810 KG Margaret Kneal
Children:
1. John Corkill 25 Nov 1810 KG
2. Eliza Corkill 7 Nov 1813 KG
3. Wm Corkill 13 Mar 1816 KG
4. Mary Corkill 4 Apr 1819 KG md John Cain(e) 17 Nov 1840 Braddan.
5. Masrgaret Corkill 21 Apr 1822 KG
6. Christian Corkill 20 Jun 1824 KG
7. Catherine Corkill 17 Jun 1827 KG
8. Thomas Corkill 14 Nov 1828 KG
I don't have any more info on this Corkill line, don't have who sibs married, etc nor do I have death data re William or Margaret. Please share if you come across it.

Do you need any info on the Cain(e) line?

Donna