John Brennan, fourth child of John & Margaret was born on 12 May 1915.
He married May Carrol on 30 Apr 1944 at Kiltimagh, Co. Mayo.
John and May had five children:
- Mary Kathleen, born 11 Apr 1945.
- Margaret Theresa, born 21 Sep 1947.
- John Patrick, born 9 Mar 1949 at Develeash, married Noreen Kelly, 30 Mar 1974.
- Bridget Joan, born 11 Apr 1950, married John Ryan.
- Winifred Angela, born 29 Sep 1951, married Patrick Halpin.
John & May built a new house at Develeash shown in the below photo.