Ironside

iron +‎ side, from a nickname of Oliver Cromwell's: "Old Ironsides".

Ironside (plural Ironsides)

1. (historical) A trooper in the Parliamentarian cavalry formed by English political leader Oliver Cromwell in the 17th century, during the English Civil War.

Two main origins:

• Scottish habitational surname from a place in Aberdeenshire, named with Old English earn (“eagle”) + sīde (“flank, side of a hill”).
• English surname from ironside, a nickname for a warrior.

Ironside (plural Ironsides)

1. A surname from Old English.

• According to the 2010 United States Census, Ironside is the 37029^th most common surname in the United States, belonging to 603 individuals. Ironside is most common among White (92.7%) individuals.

• Hanks, Patrick, editor (2003), “Ironside”, in Dictionary of American Family Names, volume 2, New York City: Oxford University Press, →ISBN, page 232.

• derision, ironised, resinoid