In 1554 Thatteworh was granted to William Petre as the 'manor and park of Tatworthy' and remained in the family until 1790. Tatworth in the 1850s extended to  and had a population of 852.
The land known as Tatworthy was granted to William Petre in 1554 and remained within his family until 1790. By the 1850s, Tatworth expanded to encompass an area with a population of 852 people.