Why does it matter so much to you what religion your children are baptized in when you don’t practice the faith yourself?
It sounds like there’s something drawing you to the Catholic Church, but currently it’s not enough to get you to Mass, regularize your marriage, or complete your sacraments of initiation. Maybe the first step is to focus on your spiritual life. Once that’s more developed, your wife will see how important it is to you. Right now it’s just words.