Yes, PERRIES is a Scrabble word!

Letter values in Scrabble US: P 3, E 1, R 1, R 1, I 1, E 1, S 1.

Is it a valid word?

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

United States philosopher (1876-1957)
United States admiral who led a naval expedition to Japan and signed a treaty in 1854 opening up trade relations between United States and Japan; brother of Oliver Hazard Perry (1794-1858)
United States commodore who led the fleet that defeated the British on Lake Erie during the War of 1812; brother of Matthew Calbraith Perry (1785-1819)
a fermented and often effervescent beverage made from juice of pears; similar in taste to hard cider

Also: ralph barton perry, matthew calbraith perry, oliver hazard perry, commodore perry.