Sir Samuel Pennant was a Lord Mayor of London.

He was appointed a Sheriff of London for 1745 and then elected Lord Mayor of London

Lord Mayor of London

The Right Honourable Lord Mayor of London is the legal title for the Mayor of the City of London Corporation. The Lord Mayor of London is to be distinguished from the Mayor of London; the former is an officer only of the City of London, while the Mayor of London is the Mayor of Greater London and...

 for 1749 but died the following year in office, and was succeeded by John Blachford. There is a monument to him in the church of St Michael Paternoster Royal.

Sir Samuel's brother John was the father of Richard Pennant, 1st Baron Penrhyn

Richard Pennant, 1st Baron Penrhyn

Richard Pennant, 1st Baron Penrhyn was a slave owner, anti-abolitionist Member of Parliament and Irish peer.Richard Pennant was educated at Newsome's academy in Hackney and Trinity College, Cambridge...

. He was also a distant relative of the Welsh naturalist and antiquarian Thomas Pennant

Thomas Pennant

Thomas Pennant was a Welsh naturalist and antiquary.The Pennants were a Welsh gentry family from the parish of Whitford, Flintshire, who had built up a modest estate at Bychton by the seventeenth century...

.