I have shown this to my mum so we are now both looking into this. We are planning on going down to south wales this summer and may stop off at the National Library of Wales. Looks like it could be a great starting point anyways! I've been searching for this Alfred Lloyd and saw that record you found but it's so hard to say because we've not known anything about an Alfred till now and unfortunately there aren't many living relatives left that we are in touch with to ask. I really appreciate your help though.. I have also looked into whether he was born a Rees but not finding anything concrete.
How are you finding your ancestry research? It's all quite amazing really! I've just ordered my dna kit through ancestry. Pretty excited!