Thomas Mainwaring Penson (1818–64), son of the above, English architect working in Chester
In 2006 Russian billionaire Roman Abramovich sponsored an exhibition of Penson's photographs of Uzbekistan in agreement with the Moscow House of Photography on 29 November 2006 at the Gilbert Collection at Somerset House in London.
The cemetery was laid out between 1848 and 1850 by T. M. Penson.
Penson is single but was previously married to four women, the most notable of which was with Filipina actress Dina Bonnevie in 1996.