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John Gibb Dunlop (c1845-1913) Engineer and Ship Builder
c.1845 Born in Polmont, Stirlingshire
1861 Living at Claret, Polmont, Stirlingshire (age 16 and a House Joiner Apprentice). With parents Robert (age 42 and born Muiravonside, Stirlingshire), a farmer of 95 acres employing 3 men and 3 boys and Mary his wife. And siblings William (age 18), Janet (age 14), Robert (age 12), Thomas (age 9), Elizabeth (age 6) plus six servants / staff. 
Apprenticed with Randolph, Elder and Co
1864 He stayed with Elders when they established the Fairfield Works.
1879 he became Superintendent Engineer with the Orient Line.
1881 Living at 115 Edwards Road, Hackney (age 36 and born in Scotland), Superintendant Engineer. With wife Isabella Clark and children Elizabeth Lindsay (age4) and Robert (age 3) plus a servant. 
Around 1887 he took charge of the engineering works at Clydebank (presumably J. and G. Thomson)
1891 Living at Scotstownhill Earleseat, Renfrewshire (age 46 and born at Polmont, Stirlingshire), Steam Engineer and Machine Maker. With wife Isabella (age 39) and Children Elizabeth L. (age 14), Robert (age 12), Mary G. (age 7), Isabella C. (age 1) plus Catherine Clerk (age 30 and an Annuitant) and two servants. 
1901 Living at 12 Crown Terrace, Govan (age 56 and born at Polmont), Stirlingshire, a Shipbuilder. With wife Isabella C. and children Elizabeth L. (age 24), Robert (age 23), Isabella C. (age 11) plus five servants 
1911 Retired ship builder in Brighton with Isabella Clark Dunlop 59 and Mary Gibb Dunlop 28