He was the son of Sir Ralph Bulmer of Wilton and his wife Joan, the daughter of Sir
William Bowes of
Streatlam, county Durham. He succeeded his father in 1496 and was knighted after taking part in the
Earl of Surrey's Scottish campaign of 1497. He was appointed
sheriff and escheator for county Durham for 1503–16, 1523-7 and jointly with his son Sir John Bulmer for 1527–9. He was appointed
High Sheriff of Yorkshire for 1517–18. He also served as a member of the council of 4th Earl of Shrewsbury in 1522 and as lieutenant of the Eastern March and
Norham Castle, Northumberland in 1523. Bulmer joined in the escort of
Margaret Tudor to Scotland in 1503. Bulmer fought at the
battle of Flodden in 1513. In 1520 he accompanied
Henry VIII with other knights to his meeting with
Francis I of France at the
Field of the Cloth of Gold. In August 1520, William and his son John Bulmer were requested to raise a force of 100 horsemen and bring them to Chester, from where they would travel to serve in Ireland. In 1523, he received and forwarded letters from Margaret Tudor, and from
Isabella Hoppringle, Prioress of Coldstream. In 1523, William was selected as a
knight of the shire for
Yorkshire in the
Parliament of England. Bulmer was a member of the council and household of
Henry FitzRoy, Duke of Richmond and Somerset in 1525. By his will, Bulmer left his best gold chain worth £100 to his eldest son John Bulmer, and gold chains weighing 100 marks to his younger sons Ralph and William. He founded a chapel of St Ellen at Wilton with four poor men and a bedeswoman. == Family ==