"Lady Isabel" is an English story from the late 19th century, also known as Child Ballad 261.

But that is not our affair; let the Lady Isabel look to it.

Lady Isabel, as they approached, turned from a mirror, at which she was trying on a diamond crescent.

I regret I must leave you at the door, Lady Isabel.

Forgive me, Lady Isabel, if I trespass, but you seem to be alone here.

Lady Isabel will be staying with us for a short time.

Ralph readily performed the task, and dedicated it to the Lady Isabel.

In this, the tale is the closest to the 'Lady Isabel' ballads.

In her later years, Lady Isabel suffered from various blood disorders, and she died of leukaemia in 1997.