The title Baron Scrope of Masham was created in the Peerage of England

Peerage of England

The Peerage of England comprises all peerages created in the Kingdom of England before the Act of Union in 1707. In that year, the Peerages of England and Scotland were replaced by one Peerage of Great Britain....

 on 25 November 1350 as a barony by writ for Henry le Scrope, son of Geoffrey le Scrope

Geoffrey le Scrope

Sir Geoffrey le Scrope was an English lawyer, and Chief Justice of the King's Bench for four periods between 1324 and 1338. He was the son of Sir William le Scrope, who was bailiff to the earl of Richmond in Richmondshire...

 and first cousin of Richard le Scrope, 1st Baron Scrope of Bolton. It was abolished by attainder

Attainder

In English criminal law, attainder or attinctura is the metaphorical 'stain' or 'corruption of blood' which arises from being condemned for a serious capital crime . It entails losing not only one's property and hereditary titles, but typically also the right to pass them on to one's heirs...

 in 1415 after the 3rd Baron was executed as a ringleader in the Southampton Plot

Southampton Plot

The Southampton Plot of 1415 was a conspiracy against King Henry V of England, aimed at replacing him with Edmund Mortimer, 5th Earl of March. The three alleged ringleaders were Richard of Conisburgh, 3rd Earl of Cambridge, Mortimer's brother-in-law; Henry Scrope, 3rd Baron Scrope of Masham The...

, but the title was restored in 1426. It became abeyant in 1517.

Barons Scrope of Masham (1350)

• Henry Scrope, 1st Baron Scrope of Masham (1312–1391)
• Stephen Scrope, 2nd Baron Scrope of Masham (c. 1345–1406)
• Henry Scrope, 3rd Baron Scrope of Masham
  Henry Scrope, 3rd Baron Scrope of Masham
  Henry Scrope, 3rd Baron Scrope of Masham KG was a favourite of King Henry V of England but he was executed for his involvedment in the Southampton Plot.-Biography:...
  
   (c. 1373–1415) (forfeit 1415)
• John Scrope, 4th Baron Scrope of Masham (d. 1455) (restored 1426)
• Thomas Scrope, 5th Baron Scrope of Masham (c. 1428–1475)
• Thomas Scrope, 6th Baron Scrope of Masham (c. 1459–1493)
• Alice Scrope, 7th Baroness Scrope of Masham (d. 1502
• Elizabeth Scrope, 8th Baroness Scrope of Masham (d. aft. 1502)
• Henry Scrope, 9th Baron Scrope of Masham (d. c. 1512)
• Ralph Scrope, 10th Baron Scrope of Masham (d. 1515)
• Geoffrey Scrope, 11th Baron Scrope of Masham (d. 1517)