Hayes is the popular name for Hayes Communications[?], creator of the original self-dialing "smart" modem. It is also often used as a short form when referring to the Hayes command set, originally pioneered in Hayes modems.
Hayes is also the name of several cities in England:
... of 83.8/km² (216.9/mi²). The racial makeup of the town is 98.03% White, 0.59% African American, 0.00% Native American, 0.52% Asian, 0.13% Pacific Islander, ...