Who suggested the name “Big Mac” for McDonald’s signature hamburger?

Esther Glickstein Rose suggested the name “Big Mac” for McDonald’s signature hamburger.

Rose was a 21-year-old advertising secretary at McDonald’s headquarters when she proposed the name in 1967. The name was initially dismissed, but it was eventually adopted for the company’s large two-patty hamburger.

The sandwich itself was created by franchisee Jim Delligatti, who introduced it in the Pittsburgh area. That distinction matters: Delligatti developed the product, while Rose is credited with suggesting its eventual name.

The Big Mac became one of McDonald’s most recognizable branded products. Its name, layered construction, special sauce, and later advertising jingle helped make it a distinct sub-brand within the wider McDonald’s identity.