There was also a member's entry on the IGI with the same names at marriage in Ballaugh, but it looks as though we have the right ones, with Benjamin son of William Kinnish & Esther bapt 25 DEC 1869 Patrick.

In the 1881 census (Familysearch.org):
Esther KINNISH Head M Female 50 Patrick, Isle of Man, England Farmer of 17 1/2 Acres
Henry KINNISH Son U Male 28 Patrick, Isle of Man, England Farm Servant (in door)
Richard KINNISH Son U Male 20 Patrick, Isle of Man, England Farm Servant (in door)
Philip KINNISH Son U Male 16 Patrick, Isle of Man, England Farm Servant (in door)
Evan KINNISH Son U Male 14 Patrick, Isle of Man, England Scholar
Benjamin KINNISH Son U Male 12 Patrick, Isle of Man, England Scholar
Sisery KINNISH Daur U Female 9 Patrick, Isle of Man, England Scholar
Source Information:
Dwelling Ballaharry
Census Place Marown, Isle of Man, Isle of Man
Family History Library Film 1342345
Public Records Office Reference RG11
Piece / Folio 5598 / 4
Page Number 3

This is no.2 William & Esther in 1881:
William KENNISH Head M Male 55 Andreas, Isle of Man, England Farmer (of 28 Acres)
Easter KENNISH Wife M Female 58 Andreas, Isle of Man, England Farmers Wife
Margaret KENNISH Daur U Female 19 Andreas, Isle of Man, England Farmers Daughter
Easter KENNISH Daur U Female 15 Ballaugh, Isle of Man, England Farmers Daughter
John KENNISH Grandson Male 1 Ballaugh, Isle of Man, England
Source Information:
Dwelling Lough Dhoo
Census Place Ballaugh, Isle of Man, Isle of Man
Family History Library Film 1342345
Public Records Office Reference RG11
Piece / Folio 5598 / 92
Page Number 8

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