Do a a search on this website for the name and look around the Quidi Vidi and White Hills area of St. John's.
The 1911 census below is for the widow and family of Garret Pendergast who married Elizabeth Jane Martin at the Congregational Church in 1866. Garret was born circa 1840 and he had a brother Thomas. The will for Garrett is also posted on this website.
Garret and Thomas had sisters Frances and Sarah.
1911 CENSUS QUIDI VIDI SECTION
ST. JOHN'S EAST DISTRICT
PENDERGAST Elizabeth F Head Widow 75 St John's,NFLD
PENDERGAST Margaret R F Daughter Single 33 St John's,NFLD
MORRIS Maud F Daughter Married 32 St John's,NFLD
MORRIS Edgar M Son in Law Married 34 Trinity,NFLD
MORRIS Mary J F Grand Daughter 1 St John's,NFLD
BASTONE Hannah F Grand Daughter 15 St John's,NFLD
PENDERGAST Elizabeth F Grand Daughter Single 18 St John's,NFLD
PORTER Edgar J M Grand Son 4 Kelligrew's,NFLD
http://ngb.chebucto.org/C1911/11-quidi-vidi-sje.shtmlYour names hint of Catholic ties. Some members of the families in the Quidi Vidi and White Hills areas did convert occasionally and then moved to the US. Check the Basilica records also on this website.
Hopefully this is of some help.
Geoff Martin
Calgary