Helen died on 27 Feb 1892 in Bathurst, New Brunswick, Canada.
"Scotland Births and Baptisms, 1564-1950"
citing UK General Register Office.
FamilySearch Record: X1ZL-3RQ (accessed 19 August 2022)
Name: Helen Irvine; Birth Date: 2 Aug 1825; Birth Place: Dunrossness, Shetland, Scotland, United Kingdom.
"Scotland, Select Marriages, 1561-1910"
Scotland, Marriages, 1561-1910. Salt Lake City, Utah: FamilySearch, 2013 Ancestry Record 60144 #4063093 (accessed 19 August 2022)
Helen Irvine marriage to Joseph Sinclair on 15 Feb 1849 in Dunrossness, Shetland, Scotland.
"New Brunswick, Canada, Deaths, 1888-1938"
Provincial Archives Of New Brunswick; New Brunswick, Canada Ancestry Sharing Link - Ancestry Record 61512 #54436 (accessed 19 August 2022)
Helen Sinclair death 27 Feb 1892 (age 67) in Bathurst, Gloucester, New Brunswick, Canada.
"Canada Census, 1881," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MV6F-87B : 4 October 2018), Ellen Sinclair in household of Joseph Sinclair, Bathurst, Gloucester, New Brunswick, Canada; from "1881 Canadian Census." Database with images. Ancestry. (www.ancestry.com : 2008); citing Joseph Sinclair, citing Library and Archives Canada, Ottawa, Ontario.