SS Mersey was a freight vessel built for the Lancashire and Yorkshire Railway in 1906.

[2] She was built in 1906 by Swan Hunter and Wigham Richardson as a sister ship to SS Irwell, and launched on 23 February 1906 for the Lancashire and Yorkshire Railway to provide freight services from Goole to Rotterdam.

In 1915 she was switched to the Great Western Railway's Weymouth to the Channel Isles service.

She transferred to the London and North Western Railway in 1922, the London, Midland and Scottish Railway in 1923 and Associated Humber Lines in 1935.

Eleven men were reported missing[3] People from the shore saw a great column of water thrown into the air, and the vessel sank in three minutes.