Following are the only Gilmours on the 1851 Malew Census:

Dist 2/Page 9/Entry 26/

Gilmour James/Shennvalley/Servant/U/18/Ag Lab/Peel (Edward Collister)

- and -

Dist 3/Page 20/Entry 24

Gilmour, James/Ronaldsway/Head/M/43/Labourer/Malew
Gilmour, Ann/Ronaldsway/Wife/M/45/Patrick
Gilmour, Thomas/Ronaldsway/Son/16/Malew
Gilmour, Elizabeth/Ronaldsway/Daughter/13/Malew
Gilmour, John/Ronaldsway/Son/9/Malew
Gilmour, Margaret/Ronaldsway/Daughter/8/Malew
Gilmour, Ann//Ronaldsway/Daughter/4/Malew
Gilmour, William/Ronaldsway/Son/2/Malew
Gilmour, Isabella/Ronaldsway/Daughter/1/Malew