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George Weir (1833-1910) of G. and J. Weir
1833 Born at Blackburn, Linlithgowshire
1851 Living at 26 Scotland Street, Govan, Jean Weir (age 39 born Pollernet, Linlithgowshire), White Seam Worker. With her children George Weir (age 17), Len Smith Apprentice, Elizabeth Weir (age 15), James Weir (age 8) and Thomas Weir (age 6). 
1861 Living at 21 Crookston Street, Glasgow Govan, Jean Weir (age 41 born Whitburn, Linlithgowshire) with her three sons, George Weir (age 27 born Blackburn, Linlithgowshire), Engine Smith Fitter; James Weir (age 18 born Airdrie), Engine Smith Fitter Apprentice; and Thomas Weir (age 16 born Airdrie), Engine Smith Fitter Apprentice. 
1871/2 Formed a partnership with his brother James Weir as consulting engineers G. and J. Weir and Co, based in Liverpool.
1872. Patent. '262. To George Weir, of Glasgow, in the county of Lanark, North Britain, Engineer, and James Weir, off Liverpool, in the county of Lancaster, Engineer, for the invention of "improvements in steam boilers." 
1873 The brothers moved the business to Glasgow. They designed and patented boiler-feed auxiliaries for both land and marine service.
1886 They set up G. and J. Weir at the Holm foundry at Cathcart
1895 The partnership was dissolved, to be replaced by a private company G. and J. Weir Ltd of Cathcart, Renfrewshire. George sold his shares and left the company.
1910 Believed to have died in Australia