Why is weed called mary jane?

Marijuana - often called pot, grass, reefer, weed, herb, mary jane, or mj - is a greenish-gray mixture of the dried, shredded leaves, stems, seeds, and flowers of Cannabis sativa, the hemp plant. Most users smoke marijuana in hand-rolled cigarettes called joints, among other names; some use pipes or water pipes called bongs. read more

To the question at hand, however, Marijuana and Mary Jane have an interesting etymological relationship. It isn't particularly clear which came first. In his fascinating book, Etymologicon, Mark Forsyth claims that the term marijuana comes from the term Mary Jane, rather than the other way around. read more

um according to my friend's book that i've read,its named after Mary and John, Jesus's mother and deciple. in spanish its Maria & Juan = marijuana. Thats what spanish explorerers called it when they brought the plant over to latin america. read more