Minding Frankie by Maeve Binchy

When Noel learns that his terminally ill one-night-stand is pregnant with his child, he agrees to take the child and raise her. As a single father, Noel needs help. Lots of help! Fortunately, he has a large caring and competent network of friends to help him. But, the nosy social worker needs convincing that this arrangement is in the best interest of Frankie. Interesting book! You should give it a shot!