Its numbers increased to 40, including one woman, by 1910. Its secretary in 1918 was J.W. Stephens, 36 Curzon Road, Bolton, Lancashire and by 1925 J.C.B. Donaldson, 81 Kildare Street, Farnworth, Lancashire. In 1948 P. Fenton, 24 Hollywood Road, Smithills, Bolton was secretary. He remained in office until the union’s collapse.