In the 1930 US Census for East Millbury, Worcester co, MA on 23 April 1930 one finds Philias THERRIEN enumerated with his nephew living on Grafton Road.
Enumeration Dist: 14-285A Sheet 42-B or 4122 lines 80-84
GINGRAS,(spelling)Jean, head, m,w,42,m,32,CT, CanFr, CanFr, occupation illegible, American Steel
GINGRAS, Eugeline (spelling), wife, f,w, 41,m,31, CanFr, CanFr, CanFrnone
THERRIEN, Philias, uncle, m,w,77,s, CanFr, CanFr, CanFr, none
LABONTE,(spelling) Arthur, brother-in-law, m,w,44,m,27, CanFr, CanFr, CanFr, weaver, woolen mills
LABONTE, Aylie (spelling), sister-in-law, f,w, 47,m,30, Mass, CanFr, CanFr, none.
The handwriting on the document is not very clearly defined as to spelling of names.