Please feel free to create a follow up on your existing ticket regarding the name change, so that our team can further assist you with this request. You can access the ticket here and should be able to create the follow up as well from there.
Your Upwork name and your Bank account name needs to match so that our team can verify your payment method. You can update your Upwork name by going to Settings > My Info. If you need further help let me know, if private details are involved feel free to send me a PM(click on my name). Thank you!