Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 147,372 pages of information and 233,518 images on early companies, their products and the people who designed and built them.
John Dunnell Garrett (1831-1900) of Richard Garrett and Sons
Managed the business with his brother Richard Garrett (1829-1884) when his father was in London with his brewing and other business
1857 Married Sarah Winsmore daughter of James Easton of 25 Russell Square and the Grove, Southwark. JD is the second son of Richard Garrett of Northwick Terrace, Maida Vale and of Sizewell House, near Saxmundham. Married at St. George's, Bloomsbury in 1857. 
1858 of Saxmundham - see improved horse hoe
1860 Left the Leiston business and moved to Germany.
Set up an engineering works at Magdeburg - see Garrett, Smith and Co
1861 His wife Sarah Winsmore Garrett 26 was living in the London house of her father James Easton, an engineer, 64, with Sarah Easton 61, Louisa Easton 20, Helen Mary Easton 15, and her daughters Margaret E Garrett 1 and Edith E Garrett 4 mo
1862 Birth of son Easton Garrett
1881 His wife, Sarah W. Garrett 46, was living in Southwold with her daughter Helen E. Garrett, 8 mo and sister in law Helen M. Easton 35
1891 Living on own means in Southwold, with Sarah W Garrett 56