You may also wish to appoint godparents at the same time. I have been lapsed for a number of years and my seven year old daughter has never been baptized. Yes, but you will need to allow time for her preparation. She will need to be given some instruction about baptism so that she understands what is happening. You may well feel that you would also find some form of preparation helpful in order to clarify any points about the faith which have given you difficulties.
People sometimes wonder about how to approach a priest.
After Sunday Mass is not always the best time as there are usually crowds of people around. Try to book a time convenient for both of you in order to meet in an atmosphere of quiet and peace.