Rita M. (Perreault) Viens, 92 of Haverhill died Thursday, Nov. 6, at the Merrimack Valley Hospice House, Haverhill She was born in Haverhill, May 25, 1922, daughter of the late William A. and Virginia (Desourdie) Perreault. Viens' mobility was limited but aided by use of a power wheelchair for mo