I have a couple of Ross Kellys in my data base of IOM Manx. I think these families were posted on the board--you might check the archive files to see what all is there.
I have Ross Kelly ch 19 June 1841 Onchan son of Ross Kelly and Ann Corlett
Ross Kelly 1842 married Ann Cleator 12 Nov 1863 Lonan.

The elder Ross Kelly was ch 31 Jul 1803 Onchan son of John Kelly & Catherine Moore.
He md Ann Corlett 1 Aug 1830 Onchan.

1851 Onchan
District Page Entry Last Name First Name Place Relation Condition Age Occupation Born Census For
1 18 073 KELLY Ross Kiondroghad Head Married 48 Labourer Onchan Onchan
1 18 073 KELLY Ann Kiondroghad Wife Married 41 Lonan Onchan
1 18 073 KELLY Ann C Kiondroghad Daughter 21 Onchan Onchan
1 18 073 KELLY Thomas Kiondroghad Son 17 Appt Tailor Onchan Onchan
1 18 073 KELLY Wm Kiondroghad Son 12 Scholar Onchan Onchan
1 18 073 KELLY Ross Kiondroghad Son 10 Scholar Onchan Onchan
1 18 073 KELLY Ellanor Kiondroghad Daughter 7 Scholar Onchan Onchan
1 18 073 KELLY John Kiondroghad Son 4 Onchan Onchan
1 18 073 KELLY MargaretKiondroghad Daughter 1 Onchan Onchan

1881 Onchan
District Page Entry Last Name First Name Place Relation Condition Age Occupation Born Census For
04 19 100 KELLY Ross Lincoln Lodge Head Married 79 Gardener Onchan Onchan
04 19 100 KELLY Ann Lincoln Lodge Wife Married 71 Lonan Onchan
04 19 100 KELLY John Lincoln Lodge Son Unmarried 34 Gardener Onchan Onchan
04 19 100 KELLY Margaret Lincoln Lodge Daughter Unmarried 27 Domestic Servant Onchan Onchan
04 19 100 KELLY Annie Lincoln Lodge Granddau 13 Domestic Servant Onchan Onchan
04 19 100 KELLY Thomas J Lincoln Lodge Grandson 11 Scholar Onchan Onchan

District Page Entry Last Name First Name Place Relation Condition Age Occupation Born Census For
04 04 131 KELLY Ross Howstrake Head Married 40 AG Lab Onchan Onchan
04 04 131 KELLY Anne Howstrake Wife Married 35 Lezayre Onchan
04 04 131 KELLY James Howstrake Son 12 Scholar Onchan Onchan
04 04 131 KELLY Annie Howstrake Daughter 9 Scholar Onchan Onchan
04 05 131 KELLY Eliza Howstrake Daughter 6 Scholar Onchan Onchan
04 05 131 KELLY Thomas Howstrake Son 3 Scholar Onchan Onchan
04 05 131 KELLY Jenny Howstrake Daughter 1

Hopefully, others on this board will have more info for you. This is all I have.
Donna