Bigamy or what?

[tsumi]

Having eventually found the marriage of Jane Fearance spelled Ferrance to an Owen Thomas,in Llanbeblig, father George occupation mariner, I have found another Jane Fearance spelled Feriens,to a John Davies,both correct year of birth both correct, fathers name and occupation,one in 1868 the other 1871,she says she is a spinster on both ,one marriage in Llanbeblig, the other Bangor ,I have checked as best I could the census for that time and can only find the one family in Llanbeblig ,what do I make of it ,help someone before I tear my hair out.
Tsumi