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Photo of Cornelius Joseph O’Brien

Cornelius Joseph O’Brien

Chemist at Dornock
Birthplace Manchester Date of Birth: October 8, 1888


Full name of worker at H.M. Factory Gretna (and any other names they are known by): Cornelius Joseph O’Brien

Do they already have a Wikipedia page? If yes, please paste link: No

Gender: Male

Date and Place of Birth: 08/10/1888 Manchester

Date and Place of Death: November 1944 Wrexham age 56

Nationality: British 

Do we have images/photos of this person?: N/K



Parents: Cornelius Joseph and Ellen E (nee Connolly) O’Brien

Parent’s occupations: Teacher (father)

Schools / universities attended and years of attendance: 

Manchester University from 1907 B.Sc

Occupation: Science Teacher

Place of residence at Gretna: N/K

Job title at Gretna: Chemist at Dornock

Marital status: Ellen Sarah O’Brien

Children: N/K

Travels: N/K

Awards/recognitions: N/K

Trivia / any other information: 


  • Books published (Title, year of publication, publisher): N/K
  • Books written about the individual or mentioning the individual (Title, year of publication, publisher): N/K


  • Blogs about the individual: N/K
  • Websites about the individual: N/K

Further links, notes, and comments:

Enlisted February 1915 in 21st Battalion (University & Public Schools) 

Transferred to Royal Engineers, then Class W Army Reserve for Ministry of Munitions.


Forwarding address on Dornock Souvenir, 8 Meade Grove, Longsight Manchester, is parents’ address.

In 1939, Cornelius is a Works Chemist in Talivrn Lodge, Legacy, Brynteg, Denbighshire and an ARP Warden.

He is buried in Wrexham Cemetery.

Name and address appears in Dornock Farewell, held in The Devil’s Porridge Museum’s archive collection.

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