On the Family Search Internet there is a George Andrew McKew christened at St Barnabas Church, Douglas, Isle of Man, 22 Feb 1851, parents James McKew & Elizabeth.

There is a marriage of James McKew & Elizabeth Bryden, 14 Sep 1843, Maughold I.O.M.

There are also christenings in Ramsey, I.O.M. for James McKew and Elizabeth Bryden.

Hope this is of some use to you.
Marie Radcliffe