There have actually been several messages, most recently last year, so far as I can see. You will find about 8 messages if you put 'dock gateman liverpool' under Search (need to leave the 'porter' out).
By:JC
Date: 29/3/2011, 2:07 pm In Response To: Re: Robert Cain, carter:
Meanwhile, in Liverpool, the other couple, John Cain b Liverpool, and Edith nee Cowle b IOM, were with their two Liverpool-born children and Edith's mother:
1901
Lancashire, Everton, North Everton 21/5
37 Melbourne St
John Caine head mar 37 dock gateman b Liverpool
Edith wife 32 b IOM
Annie M dau 10 b LP
Jessie Pacific dau 1 b LP
Ann Cain mother wid 73 b IOM
Sue