Who coined the name “Big Mac” for McDonald’s signature double-decker hamburger?

Esther Glickstein Rose coined the name “Big Mac” for McDonald’s signature double-decker hamburger.

Rose was a McDonald’s advertising secretary who suggested the name in 1967. The sandwich had already been developed as a larger, more substantial menu item, but its final branding needed a memorable name that fit McDonald’s naming style.

The Big Mac was created by Jim Delligatti, one of McDonald’s early franchisees, and was first sold in the Pittsburgh area before gaining broader availability. Its name is sometimes incorrectly credited to a senior executive or to Ray Kroc, but the naming credit belongs to Rose.

The Big Mac later became one of the world’s most recognizable fast-food products. Its distinctive name, two beef patties, middle bun, and special sauce made it a major part of McDonald’s international brand identity.