Xmaat'in [matt-IN]
Language of origin Tsimshianic language family Nisg̲a’a language
Feature Type:Site - A named place that has historic, geographic or folkloric significance.
Status: Official
Other Names: Dogfish Bay 42
Name Authority: BC Geographical Names Office
Relative Location: E side of Portland Canal, near entrance, Cassiar Land District
Tags: Indigenous
Latitude-Longitude: 55°03'59"N, 130°08'16"W at the approximate centre of this feature.
Datum: WGS84
NTS Map: 103O/1
Origin Notes and History:

Formerly Dogfish Bay Indian Reserve 42, Kincolith Band. Extinguished per Nisga'a Treaty and transferred, with extensions, to fee-simple interest: Lots 5432, 627, 628, 628A, & 7234, Cassiar Land District. Name changed to Xmaat'in (site) per Nisga'a Treaty, Appendix F-3, effective 11 May 2000.

Source: BC place name cards, or correspondence to/from BC's Chief Geographer or BC Geographical Names Office

x ma tint "caught in salmon weir"; Dogfish Bight. Fishing (house at mouth of creek). Also "where all valuable things at".
The ma/or maa morphemes in place names, as explained by one Nisga'a elder, denotes "vastness". Therefore the meaning cited or referenced here may be describing the place as "a vast area rich in resources/salmon" T'in could be referring to the "fishing technology" or the "valley".

Source: Nisga'a Tribal Council / Ayuukhl Nisga'a Department, Aiyansh BC