She was the penultimate abbess whose election was debated by Cardinal Wolsey and Anne Boleyn before Henry VIII, the abbey's patron, chose her.
Her sister, Agnes Jordan, was the abbess at Syon Monastery and Isabel was well respected as a nun at Wilton Abbey who was "ancient, wise and discreet".
[1] The abbess of Wilton Abbey, Cecily Willoughby, died on 24 September 1528, and Jordayne was the heir apparent and her name was put forward to Cardinal Wolsey.
[2] Henry VIII eventually agreed to Jordayne when Eleanor Carey's candidacy was destroyed by serious charges of immorality against her.
[1] The abbey was then visited by the plague, there was a fire in one of the dormitories, and Jordayne struggled to bring the nuns into line with discipline.