Mary Brennan, second child of John & Margaret Brennan was born 12 Apr 1912 at Develeash. On 22 Dec 1937, she married John Kenny in London, England.
Mary and John had seven children:
- John, born 20 Jan 1939, married Kathleen Walsh, 12 Dec 1964.
- Francis, born 8 Oct 1941, married Patricia Gillard, Jan 1965.
- Martin, born 13 Mar 1943, married Kathleen McKeown, 17 Mar 1967.
- Stephen, born 7 Oct 1945, married Pauline Linnane, 23 Nov 1967.
- Kathleen, born 4 Jul 1947, married Vincent Burke, 4 Aug 1973.
- Christina, born 21 Jun 1949, married Seamus Waldren, 2 Nov 1973.
- Nuala, born 28 Dec 1958.
On 31 Mar 1992, Mary Brennan-Kenny died and is buried in Kilkenure Cemetery, Kiltimagh, Co. Mayo, Ireland.