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George Lincoln Jeffries (1847-1931), Gunmaker of Lincoln Jeffries and Co
1847 Born in Norwich the son of George Jeffries, gunmaker, and his wife Agnes Coleman
1861 Living at Golden Ball Street, Norwich: George Jeffries (age 41 born Forncett, Norfolk), Gun Maker. Agnes Jeffries (age 42 born Longford, Ireland) and their seven children; Emma M. Jeffries (age 17 born Norwich); George L. Jeffries (age 14 born Norwich); Arthur G. Jeffries (age 12 born Norwich); Alice Jane Jeffries (age 10 born Norwich); Randle John Jeffries (age 8 born Norwich); Robert F. Jeffries (age 5 born Norwich); and Mary G. Jeffries (age 2 months born Norwich). One nurse.
1866 After working in the family business, he obtained employment in the gun trade in Birmingham.
1872 October 10th. Married at Bordesley to Jane Elizabeth Ingram the daughter of Henry Ingram, a Grocer. Both parties are living at Grange Road, Bordesley, and he is a gun maker, son of George Jeffries, gun maker. They had eight children.
1874 Birth of son Lincoln Parkes Jeffries
By 1873 he had set up on his own at 31 Whittall Street, Birmingham
1891 Living at Groveley Cottage, Alvechurch: George L. Jeffries (age 45 born Norwich), Gun Maker - Employer. With his wife Jane E. Jeffries (age 42 born Birmingham) and their six children; Lincoln P. Jeffries (age 17 born Birmingham), Gun Maker Apprentice; John C. Jeffries (age 15 born Kings Norton); Robert Jeffries (age 9 born Alvechurch); Bertram Jeffries (age 4 born Aston); Madeline Jeffries (age 6 born Alvechurch); Hilder Jeffries (age 2 born Alvechurch). 
1893 His wife files for divorce supported by her daughter who later withdraws her statement. Divorce absolute in 1907.
1903 Offered his Lincoln Air Rifle as ‘the most accurate airgun sold.’
1905 Both Lincoln Jeffries and BSA produced the new air rifle.
1907 States he is living at 121 Steelhouse Lane and his ex-wife at Groveley Cottage, Alvechurch.
1931 September 25th. Died.
1932. Concerning his estate. '...persons having claims or demands against the estate of George Lincoln Jeffries, late of "The Knoll," Sutton Park Road, Kidderminster, in the county of Worcester, Retired Gun Manufacturer (who died on the 25th day of September, 1931, and whose will was proved in the Birmingham District Probate Registry on the 8th day of January, 1932, by Frederick Charles Shillitoe, of 2, Kew Road, Rugby, in the county of Warwick, Builder and Contractor, and Bertram Kidson, of 12, Waterloo Road, Wolverhampton, in the county of Stafford, Chartered Accountant, the executors),...'