John Duggan was a son of Timothy Duggan and Mary Barry.
Mary Bridget Cuthbert was a daughter of Thomas Cuthbert and Ellen Forde..  Thomas was a baker.

John Duggan and Mary Bridget Cuthbert married in the Catholic Church in Clogheen on 4 June 1933.  The witnesses were Timothy Duggan and Evelyn Hannah O'Mahony.

Children:

They had 3 children.
 

Death announcement of their son Tony Duggan:
Duggan (Gurranabraher, Cork) on February 19th 2022 in the wonderful care of the Staff at Haven Bay Care Centre, Kinsale. Tony, beloved son of the late Jack and Maureen, and dear brother of Jack Duggan (Kinsale) and Evelyn Kristofs (Canada). Sadly missed by his loving brother, sister, sister-in-law Cal, nieces Robyn Powell, Lyn Denny and Caroline Graham, relatives and friends.

Deaths of Mary  (aka Maureen) and John:
Mary Duggan of 81 Mt. Nebo Avenue, Gurranabraher, Cork died on 17 April 1951 at the North Infirmary Hospital, Cork.  From her death record she was married, aged 39 years, a housewife.
John Duggan of 81 Mt. Nebo Avenue, Gurranabraher, Cork died on 30 November 1957 at the South Infirmary Hospital, Cork.  From his death record he was a widower, aged 60 years, a motor driver with C.I.E.

From Cork Examiner newspaper of Thursday 19 April 1951:
DUGGAN (Cork) - On April 17, 1951, at the North Infirmary, Maureen (nee Cuthbert), dearly beloved wife of John Duggan, 81 Mount Nebo Avenue, Gurranabraher.  Deeply regretter by her sorrowing husband and family.  R.I.P.  Funeral on this day (Thursday) after 10 o'clock Mass at Cathedral to St. Joseph's Cemetery.