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c.1820 Birth of son Henry
1843 26th February: death of Charles Wren, youngest son of Henry Wren, age 20 
1843 28th March: Death of Elizabeth, wife of Henry Wren 
1855 'Serious Accident.—We regret to have to record an accident of a serious nature, which occurred last Tuesday week, to Mr. Henry Wren, jun., of the firm of Wren, Wren, and Hopkinson, engineers, of this city. As he was passing along Grosvenor-street, Chorlton-upon-Medlock, a length of wall ten to eleven feet high, forming part of the premises occupied Mr. S. Alsop, and which had for some time been in a dangerous state, suddenly fell outwards, covering the entire footpath, and almost burying Mr. Wren beneath its weight. He was speedily extricated by the passers-by, and conveyed to the surgery of Mr. G. Heathcote, from whom he received immediate attention, and it was then ascertained that he had sustained compound fracture of the leg, besides some severe contusions on the upper part of the body. Under the direction of Mr. Wilkinson and Mr. Heathcote he was removed to his residence, and is now going on favourably.'
1858 Death: 'On the 17th inst., at his residence, Devonshire-street, Chorlton-upon-Medlock, in his 76th year, Mr. Henry Wren, millwright and engineer.'
1858 'The Late Henry Wren, Esq.— In our obituary on Saturday we noted the death of this gentleman, whose name, as a mechanical engineer, has long been associated with the industrial enterprises of this district. After an illness of only a few weeks, he expired on Monday last, at his residence, Grosvenor Square, at the age of 75. Born at Dalston, Cumberland, he left that county in early life, and entered the service of the late T. C. Hewes, of this city, whom he afterwards joined as partner, and finally succeeded in business. For many years he was a useful member the watch and gas committees, as one of the commissioners of police previous to the granting of the charter of incorporation of the borough. The author of a variety of improvements in the construction of waterwheels, dyeing and bleaching machinery, and in the making of plate and sheet glass ; during upwards of half a century he was occupied in the application of water or steam power to manufacturing operations. Not a few of the most successful engineers of Lancashire have been at different times associated with him, either as pupils, workmen, or assistants. His sound judgment and great integrity secured the confidence of a large circle of acquaintance, and laid the foundation of a successful and honourable career.— Manchester Weekly Times.'