I've been reading this thread today, having read about the case recently at the PA missing persons site. What a heartbreaking tale & a horrendous crime against this poor woman & her baby.
I've been pondering the question of why no one has claimed her & the theories put forth in this thread, such as she could have been punished for adultery, say if she were from a Muslim family where Sharia law is upheld. That's certainly a possibility...these things do happen in the Western world, sadly...and of course, it wasn't discussed back then like it is now. There is a large Asian community in the UK & there have been many cases over the years of girls being killed by family for having relationships that the family disapprove of or the husband's family killing a wife because they suspect infidelity--things like that. And the forced marriage issue is a big problem, too. I know it happens in the US & Canada, as well.
A few other ideas crossed my mind today. I was thinking that she might have come from a Romani/Romany (i.e. 'Gypsy') community. I know those cultures can be very patriarchal. Some are Catholics, whilst others may follow Islam--just depends on where they originate. And it might account for nobody coming forward...not saying that all Romanis are violent--on the contrary--I disapprove of stereotypes. But I do know that some Romanis can be, having seen a friend attacked by a Romani man in Budapest when she thwarted his sexual advances. Plus, I think oftentimes, the communities are 'closed' & pretty much look after themselves. Of course, this is all speculation.
Also, in sort of the same vein, I thought of Travellers, just because they do just that--move from place to place, no real roots & they have their own culture, etc.
I also thought of the runaway scenario & thought also that she might have been forced into prostitution, either as a means to survive or otherwise.
I definitely agree that the killer knew her & was possibly a husband/partner/boyfriend or his family.
Anyway...just more stuff to ponder...really, really, REALLY would love to see this woman have a name & justice.