There's a Harriet Clements registered Dec qtr 1861, mmn Ware. She doesn't appear with her family on a census - in 1871 she's a visitor of an Eliza Bradbury and in 1881 she's married.
However there is a Tom Clements registered Mar qtr 1860 and in 1861 he is with his parents Charles and Sarah living in Great Francis St. There were also 3 sisters and a brother.
Charles was born 1820 London, Sarah 1825 Bridgwater, Somerset. It looked like they travelled around a bit, one of the children was born in Crewe and another in Woolwich.
Charles is listed as a coach maker.