Fantastic, I presume you've read "Keeping the World Away" by Margaret Forster, a very sweet story.
I'm inclined to agree with Bloomsbury Bell - this is stunning. The turn of her face, the depth of her eyes, the colours.
Very nice portrait! It looks very lifelike.
She looks a bit like Miss Treadwell the short-lived governess on Upstairs Downstairs.
She reminds me of a middle aged Jane Eyre. I don't know why :)