In 1868 Nicholas James West was a witness at the marriage of his sister Elizabeth to John Mead.
In 1868 Nicholas James West of Hayle Foundry, engineer, was co-executor of his father's will.
In 1869 Nicholas James West of Hayle, engineer, was granted Letters of Administration of the personal effects of his late brother Henry Haarlem Mer Mere West.
In 1871 Nicholas J. West (32) of St. Agnes, civil engineer, and wife Ellen (26) of Penryn, were living in Foundry, St. Erth. Present were sons (born in Phillack): Rooblie Hassan (3), Haarlem Ethneen (2)
In 1881 Nicholas J. West (41) of St. Agnes, civil engineer, and wife Helen (36) of Penryn, were living in Foundry House, St. Erth. Present were children (born in St. Erth): Haarlem E. (12), scholar, Howard S. (6), scholar, Ethel (4)
In 1901 Nicholas J. West (61) of St. Agnes and wife Hellen (56) of Penryn, were living in Hampstead, London, Middlesex, England. Present was daughter Ethel West (24).
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Nicholas James West of Great Eastern Hotel, Liverpool St., London, died aged 69 years (burial record).
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Nicholas James West of Le Chalet Braddon's Hill-road Torquay died 9 July 1909 at Great Eastern Hotel Liverpool-street London. Probate London 22 September to Helen West, widow, Rooblie Hassan West, captain R.E., and Haarlem Ethneen West, engineer. Effects £29239 11s. 10d. 3