Texas Roofer. Ok, I’ll take you up on what I think you are asking for.
The presumption of the Church is that the first marriage is valid. Whether is actually is or not can only be determined by looking at the facts of the first marriage. Nothing about the current relationship or living situation is relevant. So the first responsibility is to look at that first marriage. The responsibility to do this is the marriage tribunal… They look at all the facts to determine what happened at the point in time where the first marriage was attempted. Attempt does not mean unsuccessful. Attempt might be successful or unsuccessful depending on the facts at the time.
Only after that is done can the current relationship be looked at. If the first marriage is found to be invalid, that doesn 't mean that the new relationship automatically becomes a valid marriage. It only means that the OP becomes free to marry. The responsibilty for what happens at that point is up to the OP and her intended.
I think that takes care of all the responsibility.
The grace of a Sacramental marriage is what will make her life different.
Maybe. Many couples chose to live apart when preparing for a convalidation. It can make the day a little more special. This isn’t practical for everyone, especially if there are kids involved.
It could be. That all depends on how much attention the couple wants to have on the marriage.
That’s a great idea. There will hopefully be lots of people who want to celbrate this time with the happy couple. In our parish, convalidations often happen at a weekend Mass with great joy from the congregation.
That depends on circumstances. In some parishes, convalidations are listed in the bulletin. I think this is a nice thing to do, especially if the irregular marriage situation was more widely known.
There will definately be a record made. There is nothing to change since no Sacramental marriage was previously recorded. The record will be made in the parish where the convalidation takes place and also on the Baptismal record where the husband, who is the Catholic, was baptized. If the Baptismal parish is not the same one where the convalidation occurs, I think it would be simply a clerical process without an announcement there.