Second from left is Clement Speak, the organist, next to him is Alice Speak before she marriage, to her right is Margery Speak, daughter of Clement, and to her right with spectacles is Harold Sutcliffe.
Early 20th century postcard pre-1910, posted in Mytholmroyd. It was sent by a Mr & Mrs Hargreaves of 23 Hall Gate, Mytholmroyd. Is this them? Sending family postcards was quite common at the time.