• Born: 2 May 1878, Whitchurch, Glamorgan, Wales ¹
• Married: 1917, Pontypridd District, Glamorgan, Wales ²
• Died: 9 Feb 1958, Ton Pentre, Glamorgan, Wales ^{3 4}

  Research Notes:

In 1901 Leopold Trenberth, aged 22, born in Whitchurch Glamorgan, stationary fireman, was with his parents at 146 Wellington St., Canton, Glamorgan.

In 1911 Leopold Trenberth, aged 32, born in Cardiff Glamorgan, single, was working as a stoker in Dinas Powis, Cardiff.

In 1921 Leopold Trenberth, aged 43 years 1 month, born in Whitchurch, fitter at hospital, and wife Lucy Trenberth, aged 28 years 4 months, born in Ton Pentre, Glamorgan, home duties, were at 55 Penrhys Road, Ystrad, Glamorgan. With them were sons (born in Ystrad Rhondda) Raymond (2y 1m), and Arthur (6m).

In the 1939 Register Leopold Trenberth (b. 2 May 1878), disinfector? Fern? Hospital, and wife Lucy Trenberth (b. 11 Feb 1893), unpaid domestic duties, were at 16 Mill Street, Rhondda, Glamorgan. At the same address were (sons, single) Raymond Trenberth (b. 5 May 1919), student, Arthur (b. 7 Dec 1920), student, and Gordon (b. 10 Nov 1922), chemist's apprentice, and Enid Mary Trenberth (b. 20 Sep 1925), at school.

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Leopold Trenberth died aged 79 years. ³

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Leopold Trenberth of 29 Victoria Street Ton Pentre Glamorgan died 9 February 1958. Administration Oxford 10 March to Lucy Trenberth, widow. Effects £1,004 15s. 11d. ⁴