In 1861 John Wearne, aged 34, born in Mawgan Cornwall, unmarried, was with his parents at Gweek Mill, Mawgan in Meneage Cornwall.
In 1871 John Wearne, aged 44, born in Mawgan Cornwall, unmarried, miller, was with his sister Caroline Richards and her family in Gweek, Wendron Cornwall.
In 1881 John Wearne, aged 54, born in Mawgan Cornwall, unmarried, indoor farm labourer, was with his sister Mary Ann Richards and her family in Gwendrath, Grade Cornwall.
In 1891 John Wearne, aged 63, born in Mawgan Cornwall, single, miller's assistant, was with his brother William Wearne and his family in Poltesco, Ruan Minor Cornwall.
In 1901 John Wearne, aged 73, born in Mawgan, single, miller (worker), was with his brother William Wearne (60) of Mawgan, widower, miller (own account), in Poltesco, Ruan Minor Cornwall.
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John Wearne of Gwendreath Grade died aged 80 years (burial record).