Mary
Ann
"Mayme"
O’Callaghan
Born in Halifax, Halifax, Nova Scotia, Canada
Daughter of James (Calahan) O’Callaghan
and Anne (Graham) O’Callaghan
Sister of
James W (O’Callaghan) O'Callaghan, Daniel P O’Callaghan, Margaret (Callaghan) O’Callaghan, Bridget (Callaghan) O’Callaghan and Ann (Callaghan) O’Callaghan
[spouse(s) unknown]
Died
at age 44
in Sydney, Cape Breton, Nova Scotia, Canada
Profile last modified
| Created 29 Mar 2020
This page has been accessed 87 times.
Biography
Nursing Sister Mary O’Callaghan served in the Canadian Army in World War I
Service started: 19 Nov 1918
Unit(s): Canadian Army Medical Corps.
Service ended:
Service started: 19 Nov 1918
Unit(s): Canadian Army Medical Corps.
Service ended:
Mary O’Callaghan was born on December 20, 1877 in Halifax, Halifax, Nova Scotia, Canada. Her parents were James Calahan and Anne Graham. She died on June 05, 1922 in Sydney, Cape Breton, Nova Scotia, Canada.[1]
Sources
- http://www.canadiangreatwarproject.com/searches/soldierDetail.asp?ID=105761
- https://www.bac-lac.gc.ca/eng/discover/military-heritage/first-world-war/first-world-war-1914-1918-cef/Pages/image.aspx?Image=555109a&URLjpg=http%3a%2f%2fdata2.archives.ca%2fcef%2fgpc013%2f555109a.gif&
- 1881 Census of Canada Year: 1881; Census Place: Sydney, Cape Breton, Nova Scotia; Roll: C_13167; Page: 34; Family No: 150
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DNA Connections
It may be possible to confirm family relationships with Mary 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 Mary:
It may be possible to confirm family relationships with Mary 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 Mary:
-
~6.25%
Roy O’Callaghan
:
AncestryDNA, GEDmatch A230399 [compare], Ancestry member Susan_OCallaghan
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O > O’Callaghan > Mary Ann O’Callaghan
Categories: Canadian Army Medical Corps, Canadian Expeditionary Force, World War I | Sydney, Nova Scotia | Halifax, Nova Scotia | Royal Canadian Army Medical Corps | Canada, Nurses | Canadian Expeditionary Force, World War I