If a divorce and child support are finalized in Oklahoma can jurisdiction be changed to the state of Texas when one party lives in Oklahoma and one in Texas?
Yes & No. All US states recognize the legal validity of all
marriages, divorces, custodial, child support and other domestic
issues where a court order has been issued. So the original court
order will stand.
However, you can file an amendment or modification to the existing order. For example, if the children establish residency in Texas by residing in a Texas county for more than 6 months (you must show proof) - you can establish jurisdiction for any legal matters concerning the children. You would then have to "transfer" jurisdiction of the case the local court from the original court, and file a motion to modify the order.
Can a person who is still married in Oklahoma but in the process of a divorce but it is not legal or finalized no judge signature they get married to someone else in another state AR and be legal?
In most cases, the waiting period to remarry in Texas after a divorce has been finalized (from any state) is 30 days. The court may deem the waiting period to be lengthened or shortened if it feels there are circumstances that warrant it. The waiting period does not begin until the divorce has been completely finalized-not filed.
Can a mother take her kids on vacation to another state without the fathers consent if the divorce is in the early stages and not finalized yet but the acknowledgement of divorce has been signed?
This depends on the jurisdiction, but MOST states have a rule that says a parent can't leave the home state with the children with the intention of depriving the Court of jurisdiction over issues related to the children. Thus, MOST states permit vacations outside the children's home state, provided that they will be returned to the jurisdiction at the conclusion of the vacation.