Hi John ......
I think that this could be her. I cannot find a George Credland married to a Mary he seems to marry twice both times to a Ann.
1871 RG 10 /4488 F 28 P20 Thornton Yorkshire
John Clark hd m 39 gas worker Marton Lincs
Mary wi m 38 d/o
William Robert son u 10 scholar Leeds Yorks
Francis dau u 7 d/o d/o
John son u 5 Hull Yorks
Lizza dau 3months Thornton
1861 RG9/3373 F 95 P12 Leeds South East
John Clarke hd m 28 flax mill lab Lincs Morton
Mary wi m 27 d/o
Rosetta dau u 2 Lincs Brigg
Upper Wigglesworth St
birth again given as Marton...........1881 Keighley Yorks
3 Daisey St
John Clark hd m 42 gas maker Marton Lincs
Mary wi m 47 d/o
Frances dau u 17 wl twister Leeds
John son u 15 wl mill hand Hull
Lizzy dau u 10 scholar Thornton.
RG11/4351 F 17 P35
There is a death for a Rosetta in Leeds in 1864
Tazzie