kind of red-skinned eating apples, 1874, named for John McIntosh (b. 1777), Ontario farmer who found them in 1796 while clearing woodland on his farm and began to cultivate them. The surname is Gaelic Mac an toisich "son of the chieftain."
McCarthyism
McConnell
McCoy
McFarland
McGuffey's
McIntosh
McMillan
McQueen
me
*me-
mea culpa