The Shwayder Trunk Manufacturing Company, founded in 1910 by Jesse Shwayder, made suitcases and briefcases that emphasized durability and strength.
Shwayder named one of his first cases after the biblical figure Samson, a man given supernatural strength by God to defeat his enemies, wrestle lions, and slay entire armies.
It started using the trademarked name "Samsonite" in 1941, and changed his company's name in 1966. Relevant names are easier to dominate the minds of the public, than family names.