The Dictionary of Australasian Biography/Cavenagh-Mainwaring, Hon. Wentworth
Cavenagh-Mainwaring, Hon. Wentworth, was member for Yatala in the Assembly of South Australia from 1863 to 1881; and was Commissioner of Crown Lands, under Mr. Strangways, from Nov. 1868 to May 1870, and Commissioner of Public Works in the Ayers Government from March 1872 to July 1873. In 1887 he received permission to bear the title of Honourable. Having married Ellen, daughter of George Mainwaring, who, on the death of her brother in 1891, became entitled to the Whitmore Hall estate, in Staffordshire, he assumed the additional name of Mainwaring.