On Jessie's death certificate her profession is given as a telegraph operator
Fact: Arrival (October 1916) U.S., Border Crossings from Canada to U.S. Yarmouth, Yarmouth, Nova Scotia, Canada
Fact: Burial (4 March 1948) Pine Grove Cemetery, Shelburne, Shelburne, Nova Scotia, Canada
Fact: http://familysearch.org/v1/LifeSketch Jessie (2) with her father Martin A (37) and Margaret Miller (29) and one sibling in 1891 Census of Canada, Shelburne, Shelburne, Nova Scotia; "Jessia" (12) living with her widowed mother Margaret Miller (38) and two siblings in 1901 Census of Canada, Shelburne, Shelburne & Queens (shelburne), Nova Scotia; and Jessie (22) continuing to live with her mothe Margaret Miller (42) and one sibling in 1911 Census of Canada, Shelburne and Queens Sub-Districts 12-41. Jessie married Mitchell Burns Arnold in Shelburne in 1915. Mitchell died in British Columbia in 1917 and is buried there.
Afterwards Jessie returned to Shelburne and apparently worked there 30 years as a telegraph operator. She died at the Roseway Hospital in Sandy Point in 1948 and is buried in Shelburne's Pine Grove Cemetery. She did not remarry and as yet we know of no children from her marriage to Mitchell.
: Jessie's death date from Nova Scotia Vital Statistics, Registration Year: 1948 - Book: 1948 - Page: 1837; Marriage date from Nova Scotia Vital Statistics, Registration Year: 1915 - Book: 19 - Page: 5
"Nova Scotia Marriages, 1907-1932," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:QVBK-QCZL : 8 November 2017), Mitchell B Arnold and Jessie Z Miller, 09 Jun 1915; citing Shelburne, Shelburne, Nova Scotia, Canada, p. , Nova Scotia Archives, Halifax, Nova Scotia.