Plympton Erle, or Plympton St Maurice as it was generally known except in the context of parliamentary elections, was a small borough and parish. When Parliament’s Protestation of May 1641 was sent down for the assent of the population, 159 male residents in Plympton St Maurice subscribed it.
The government of Plympton Erle was vested in a corporation which derived its authority from a charter of 1602. The common council consisted of eight principal burgesses and the mayor; there was a wider body of burgesses called the Four and Twenty Men, from whom the mayor and principal burgesses selected a bailiff.
In the initial election for what became known as the Long Parliament, Slanning was again successful, but if Hele stood (which is far from certain), he was beaten to the second seat by Michael Oldisworth, secretary to Philip Herbert*, 4th earl of Pembroke, who enjoyed much influence in the region as steward of the duchy of Cornwall (which included Plympton) and lord warden of the stannaries. Both Slanning and Oldisworth opted to sit for seats elsewhere, and although no indenture survives, a by-election must have been held around 15 November which returned Hele, as he had taken his seat by the 21st.
During the civil war, Plympton was occupied by soldiers of the king and of Parliament at various times, one householder there apparently being told by the royalists billeted on him that he was for Parliament, and by occupying parliamentarians that he was for the king.
Both Potter and Martyn kept their seats at Pride’s Purge in December 1648, but Potter withdrew from politics while Martyn went on to become active in the Rump Parliament. On 9 March 1653, during debate on a bill for a ‘new representative’, the question was put that Plympton should be reduced to one parliamentary seat.
Right of election: in the freemen
Number of voters: 18 in 1647
