I have a little mystery that has me puzzled that I hope someone can give some other suggestions as to what might be going on.
Ann Jane Roberts was born in Bootle in 1875 to John and Ann Jane (née Megson) Roberts. In 1881 the family were all in Bootle, including Ann Jane's younger sister Jessie, but in 1891 a 16yo Ann Jane was working as a servant for Sarah Broadgate in Brigg, Lincolnshire, possibly having come over from Bootle with Sarah Broadgate's niece Sarah Duff.
In 1901 she was a servant at Meerbank, a large house in Toxteth Park that's no longer there, where she's listed as married and going by Ann Jane Stacey. Five years later Ann Jane Stacey, now a widow, married George Eden in Bootle, where her father is given as John Roberts, a carter, and one of the witnesses was her younger sister Jessie.
What I haven't found anywhere is a record of Ann Jane marrying a man whose surname was Stacey between 1891 and 1906. The most obvious possibility is of her not having married anyone, but also it's very possible that I just haven't been looking in the right places. There's nothing in the BMD or other marriage records in the Liverpool area that I can see, and the only possible candidates I can see who died between 1901 and 1906 were both above 70, which seems unlikely given Ann Jane would likely have been in her early to mid-20s at the time of the marriage. If there was a Mr Stacey could it be a common law marriage even though they weren't cohabiting?