TOSH

TOSH. A known abbreviation of IMac Intosh. " Old Molly Tosh, who long kept the Red Lion in Churchway, North Shields, became Mary Macintosh on her tombstone, where she lies sound asleep with a bundle of manuscript correspondence under her head." Folks of Shields.

Lower, Mark A (1860) Patronymica Britannica: a dictionary of the family names of the United Kingdom. London: J.R. Smith. Public Domain.