Ash was the eldest son of a Devon-born lawyer of the same name, who had been drawn to the south-east by the profits available in the Westminster law courts.
His father’s death, probably in the second half of 1446, gave Ash control of the family estates in Devon centred on the manor of Clyst Fomson in Sowton, at the time of his own son’s death in 1495 said to be worth £20 p.a.
As far as it is possible to tell, Ash played little part in public life. He may occasionally have served on local juries, but did so only irregularly, and hardly at all during Henry VI’s reign.
The political crisis of 1459-60, which saw the duke of York, his sons, and his closest supporters among the peerage (the Neville earls of Warwick and Salisbury) exiled, also led to a closing of ranks among the Lancastrian court party and royal household. Many Crown offices were placed in the hands of trusted royal servants, and it was probably as a consequence of his existing ties with the court that in April 1460 Ash was appointed to the controllership of subsidies in the ports of Plymouth and Fowey. The patents issued that month were unusual in that they related only to tunnage and poundage, and made no reference to any other customs, as was normally the case. In any event, the holders of these curious commissions were to remain in office for little more than four months, for in July an army led by Warwick and Salisbury and the duke of York’s son and heir, Edward, earl of March, defeated a royal force under the nominal leadership of King Henry himself, and seized the reins of government along with the King’s person. Within days of the battle at Northampton, the unpopular earl of Wiltshire who was already on his way to seek sanctuary in the Low Countries, had been replaced as treasurer by Henry, Viscount Bourgchier, who rapidly replaced the customs officers throughout the realm.
Nominally, Henry VI remained on the throne, but the Yorkists lost little time in dismissing most of the members of his household, although it is uncertain whether Ash was among those who at this time lost his position about the King. Certainly, he was not without connexions among the new rulers. In the early 1450s he had supplied victuals to the household of Sir John Dynham (d.1457) at Nutwell, and although at the time he had had to rely on the intervention of Queen Margaret to secure payment,
The exact date of Ash’s death is unknown. He was still alive in 1465 when Bishop Neville of Exeter was translated to the archbishopric of York, for it was under the latter title that he named him one of his feoffees prior to June 1467, when Neville was replaced as chancellor by Bishop Stillington of Bath and Wells.
