He and Hannah travelled to the US in 1930:
Ship SS CAMERONIA,
Departed Glasgow 23 May 1930, arrived New York 1 Jun 1930, and In Transit:
Thomas Matthew LYON, 43, Journalist, Scottish, b Kilmarnock,
Hannah LYON, 43, Housewife, Scottish, b Maryport,
Last permanent resident of Kilmarnock
Friend / Relative in UK (from whence came):
Brother Archibald LYON, of 44 Carsbrooke Drive, Nottingham.
Going to (in US): Lincoln Hotel, New York City
Final Destination: Kilmarnock. Will be in US for 60 days. Has US$1000.
Description him: 5', 10", dark complexion, dark brown hair and eyes
Description her: 5', 5½", fair complexion, fair hair, grey eyes.
Cheers
AMBLY