Hhmmm, interesting.......
I have found a travel record for a Mrs. M. L. Todd born 17th April 1909, single, occupation cook.
She left on the 23rd October 1956, destination Sydney, Australia
A look at the image reveals that widowed or divorced persons are to be marked as single.
Her address at the time of leaving was Basement Flat, 9A Rosehill Terrace, Brighton, Sussex. She intended to reside permanently in Australia.
The ship was called the S.S. Orion.
Thank you so much, am convinced this is my Maria, coupled with the fact that she had been living in Brighton, not all that far from Worthing where she had been in 1939.
I am now on the hunt for her brothers, who both had common names (Robert and Thomas), good well be that one or both ended up in Australia.