Yes, MEAD is a Scrabble word!

Letter values in Scrabble US: M 3, E 1, A 1, D 2.

Is it a valid word?

MEAD is a valid word in the official Scrabble dictionary (US), the UK Scrabble Dictionary and Words with Friends (ENABLE).

United States anthropologist noted for her claims about adolescence and sexual behavior in Polynesian cultures (1901-1978)
United States philosopher of pragmatism (1863-1931)
made of fermented honey and water

Also: margaret mead, george herbert mead.