Yes, KELLIES is a Scrabble word!

Letter values in Scrabble US: K 5, E 1, L 1, L 1, I 1, E 1, S 1.

Is it a valid word?

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

United States circus clown (1898-1979)
United States film actress who retired when she married into the royal family of Monaco (1928-1982)
United States dancer who performed in many musical films (1912-1996)

Also: emmett kelly, weary willie, grace kelly, grace patricia kelly, princess grace of monaco, gene kelly, eugene curran kelly.