Mrs. Jay's is Alexander Jenkins, so that would mean his last name is Jenkins.
Thompson
Renee's (From cycle 8) last name is Alway.
McGuiness :]
jays last name is Brosnan(jay brosnan).
Eva i don't know her last name but it was Eva i think it might be Eva Miller
I know for a fact that jays last name is brosnan His last name is Brosnan it says so on Wikipedia.
season 3:bronsnan season 5:ricco
Model!
The first name of a model with the last name Logan is likely "Kelsey," as Kelsey Logan is a well-known model. However, there may be other models with the last name Logan as well.
Kate's last name is Coll.
Miriam's last name is O'Reilly. She is known for her role as a model and presenter on QVC UK.
Tyra