Hi Madpants (luv that name) & Tony
Just out of curiosity I trawled through the census, only the free searches as I don't have any subscriptions, and found the following which may or may not lead to Harry being one of yours.
1901
Living in Spotland
James W 47 b. Ovenden Yorks
Mary E 30
Ethel 7
Florence 6
Harry 4
Bertha 3
Tom 1
Eliza 79 b. Littleborough, Lancs (James W mother)
1901
Also living in Spotland a brother to James W
Fred 42 b, Hebden Bridge, Yorks
Sarah 39
James F 10
1891 - Could not find any reference
1881
James W, Mary E and Eliza living at 1 Rooley Moor Rd, Spotland
1871
James W living Spotland with father James, b. 1823 Soyland, Yorks, and mother Eliza.
1861
James & Eliza living in Yorks
1851
James living with father Joseph, b. 1804 Yorks, in Yorks
I can't vouch totally for all that but if it does give you a sniff to some long lost branch of the Mallalieus then good.
If you think Harry may be connected I have a couple of transcripts from the Rochdale Observer where he is mentioned.
Cheers
Bob