Black Ball Line (trans-Atlantic packet)
The Black Ball Line (originally known as the Wright, Thompson, Marshall, & Thompson Line, then as the Old Line) was a passenger line founded by a group of New York Quaker merchants headed by Jeremiah Thompson, and included Isaac Wright & Son (William), Francis Thompson and Benjamin Marshall. All were Quakers except Marshall.
Source: Wikipedia — Black Ball Line (trans-Atlantic packet) (CC BY-SA 4.0)