As the link has got too long - this is a new thread....

William HARRISON married Charlotte MABBETT - 11 January 1797 at Newnham - subsequently moved to Merthyr - and 'Reg' - thinks there was a son William Harry or Henry baptised in Cardiff - 1800.

1851 Wales, Risca, Monmouthshire
Staying at the Bridge Inn

W H Harrison - age 50 married - Mineral Surveyor, born Gloucestershire, Lidney

1861 Census, Glamorgan - Eglwysilan

Lodging

William HARRISON - age 60 married - Mining Engineer, - born Meythyr Tydfil

1871 Census, Glamorgan - Glamorgan

Lodging

Wm H HARRISON - 70 Widower, Mining Engineer, born Glamorgan

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????

Church of Latter Day Saints - Wales Births and Baptisms

Charlotte HARRISON

christening : 9 November 1829

Christening place: Pont-Morlais English Weslyan, Merythyr Tydfil, Glamorgan, Wales

birth date: 12 September 1829

father's name: William H HARRISON

mother's name: Mary M

and

Robert Henry HARRISON - 27 November 1831, at Merthyr Tydfil

parents: Wm Henry HARRISON & Mary

and

English & Wales - Non-conformist Records

Elizabeth Harriet HARRISON

22 May 1827, Newport, Monmouthshire

father's name: William Henry HARRISON

mother's name: Mary HARRISON

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Can't find Mary, Elizabeth or Charlotte on census returns to confirm -