In 1861 Wm. P. Jones (27) of Llanddwywe Merioneth, was with his parents in Pentre Mawr Llanenddwyn Merioneth.
In 1871 William P. Jones (37) of Merionethshire Wales, bookkeeper, and wife Laura (39) of Merionethshire Wales, were living at 36 Thackeray St., Liverpool, Lancashire, England.
In 1881 William P. Jones (47) of Merionethshire Wales, accountant & estate broker, and wife Laura (49) of Merionethshire Wales, were living at 16 Amberley St., Toxteth Park, Lancashire, England.
In 1891 William P. Jones (57) of Dyffyn [Dyffryn] Merionethshire Wales, married, estate agent, was living at 16 Amberley St., Toxteth Park, Lancashire, England. Visiting was John R. Jones (33) of Llandor Merionethshire, gentleman farmer
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William Pryse Jones died aged 63 years.