There's a Samuel Brook on the 1871 census for Pontefract
Head Joseph Brook Age 62 Born Pontefract Widower Occupation Gardener
Son Samuel Brook Age 21 " Occupation Gardener
Dau Elizabeth Brook Age 24 " Occupation Liquorice Cake Maker
Address is North Bailygate, Pontefract
Source information: RG10/4636
Registration district: Pontefract
Folio: 44
Page: 14