From the Sydney Morning Herald, Sept. 8, 2018:
The Reverend Aubrey Robert Caulfeild-Browne 15.07.1931 - 05.09.2018
Loved son of Cecil and Gladys Caulfeild-Browne (both deceased). Died peacefully at Bethlehem House, Kogarah. Formerly from Kyeemagh; Vicar of Nunhead, South London; Hon. Curate, St. Stephen's Gloucester Road, South Kensington; PIC St. John's South Townsville; PIC Violet Town, Wangaratta; Rector St. John's Balmain. […]
http://tributes.smh.com.au/obituaries/SMH-AU/obituary.aspx?page=lifestory&pid=190158819
He was the grandson of Aubrey Caulfeild Browne (1860-1953), great-great grandson of the 1st Baron. The late Rev Aubrey was heir presumptive to Lord Kilmaine, and the next in line to the peerage appears to be his first cousin of the half-blood once removed, Mark Caulfeild Browne, born 1966.
At the age of 87, the Rev Aubrey was among the ten oldest heirs to peerages. Here is a list of other octogenarian heirs to peerages:
1. Hon. Peter R. Thellusson, born 25 January 1920 (RENDLESHAM)
2. Hon. Michael B. Hives, born 12 March 1926 (HIVES)
3. Lt-Cdr. Rupert J.E. Craven, born 22 March 1926 (Earldom of CRAVEN)
4. Hon. M. James Huggins, born 13 January 1928 (Viscountcy of MALVERN)
5. Hon. Peter N.T. Eve, OBE, born 2 May 1930 (SILSOE)
6. Mrs. Christopher H. Fothergill (Linda K.), born 2 May 1930 (BRAYE)
7. Robert F. Boyle, born 15 August 1930 (Earldom of SHANNON)
8. Hon. Nigel G. Parker, born 18 November 1931 (Earldom of MORLEY)
9. Chester D.H. Kearley, born 29 April 1932 (Viscountcy of DEVONPORT)
10. Michael J. Powys, born 19 January 1934 (LILFORD);
11. Patrick N. Wingfield, born 1934 (Viscountcy of POWERSCOURT); 12. Hon. Michael Spring Rice, born 18 February 1935 (MONTEAGLE OF BRANDON); 13. Hon. Michael H. Richards, born 1 August 1936 (MILVERTON); 14. Hon. James S. Kirkwood (KIRKWOOD), born 19 June 1937; 15. Hon. Peter H. Lewis (MERTHYR), born 1937; 16. Hon. John P. Brooks (CRAWSHAW), born 17 March 1938; 17. Hon. David E.H. Bigham (Viscountcy of MERSEY), born 14 April 1938; 18. Arthur M. Balfour (RIVERDALE), born 24 November 1938.