"New York State Census, 1905," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MK9W-8H7 : 8 March 2021), Bertha Collins, Pierrepont, A.D. 02, E.D. 01, St. Lawrence, New York; citing p. 4, line 40, various county clerk offices, New York; FHL microfilm 885,346.
"New York Births and Christenings, 1640-1962", database, FamilySearch (https://familysearch.org/ark:/61903/1:1:HQB9-QJPZ : 21 January 2020), Bertha Cata in entry for Margaret Louise Collins, 1907.
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DNA Connections
It may be possible to confirm family relationships with Bertha by comparing test results with other carriers of her ancestors' mitochondrial DNA.
However, there are no known mtDNA test-takers in her direct maternal line.
It is likely that these autosomal DNA test-takers will share some percentage of DNA with Bertha: