A Party?

These ladies are in the Congregational Church Loftus, we don’t know all of the ladies names but some of them are (left to right): ??, ??, Mrs Benson, ??, Mrs Middleton (of Arbroath House), ??, Mrs Wood (her husband George Wood could often be seen in and around Loftus sitting at his easel painting beautiful water colours), ??, ??, Mrs Jackson. 
Can you name the remaining ladies.
Image courtesy of Mrs Waton and thanks to Eric Jackson for the update.