richard,
thanks for looking anyway,
i did find a catherine cain left liverpool port in 1923 destination i think was sydney it said she was a clerk she was on the ship runic my catherine in 1921 was a domestic servant , im asking myself could she have changed her job, why would she go of to australia, leave her son of 2 yrs here and just go , it says on the site that she was alone , any way i have no real way of finding out if it was her as manx ships did not keep passenger lists, and i dont think liverpool had any thing other than she got on at that port