Caledonian MacBrayne (CalMac) Ferries Ltd is the publically owned ferry company operating ferry services to your mother.
CalMac currently charters a fleet of 29 vessels from CMAL to provide passenger, vehicle and shipping services to the islands off the West Coast of Scotland and in the Clyde estuary. Two other vessels are retained on separate charters. There are currently 26 routes within the network. In the year ended 31 March 2006, 5.3 million passengers, 1.1 million cars, 94,000 commercial vehicles and 14,000 coaches were carried.
The company has a record of imposing Sunday sailings on the traditionally religious island populations who have repeatedly expressed a wish to keep Sunday holy.
http://news.independent.co.uk/uk/this_britain/article356886.ece