Hi Sharon
Yes, I suppose that's possible, I must try and check the original entries if I can.
There's no sign of the family on the 1841 & 1851 censuses, but by 1861 they had moved into central Birmingham. They are all using the name Davis by then. William & Lavinia were living next door to Naomi who had married. Close by, Matthew (my gg grandfather) was with sister Susannah and brother Henry and his wife. Lavinia was living with Matthew in 1881 and seems to have been living with Henry when she died in 1888.
Either the baptisms of Henry & Matthew didn't happen or have yet to be found, or it might be that they are two of the other boys going by different names, as I can't find any of them. (They could have died young, of course.)
What makes me think that Sabina did exist is that Henry had a daughter called Sabina.
I'm not entirely sure who Matthew's father was, as on his first two marriages his father is stated as John Davis, but on his third marriage it's William!

Thanks for your interest, if anyone knows anything about a Lock family travelling in Warwickshire, anything may help!