Thomas Joseph O’Sullivan

I'm trying to find my husband's father who left my husband when he was five, since then lost contact about 51 years now, I hop he still alive. I know the details as below;

Thomas Joseph O'Sullivan (age 21) was married to Rose Helen Storey (age 17) on 15th, May, 1961 at Derby register office.

He have 2 sons from this marriage, Patrick O'Sullivan and John O'Sullivan

Hope this details will help, thank you!