If the lender gets a judgment against you, but cannot collect b/c you are "judgment proof", they cannot go after your spouse - as long as she had nothing to do with the debt.
Generally speaking, a person does not get liability by getting married. If your spouse did not sign the credit agreement, then your spouse would not have contractual liability for charges made pursuant to that credit agreement. Ordinarily if your spouse did not benefit from the charges you made on your credit account, that is that your spouse was not unjustly enriched by the charges you made -- and if the creditor can not prove that your spouse was the intended beneficiary of the charges you made (which if the creditor sued only you and did not sue both you and your spouse, that is an indicator that the creditor does not consider your spouse to be liable for payment of the debt), then your spouse would not be liable. One way to investigate this, although it is not perfect, is to get two credit reports, one for you and one for your spouse, and see if the same creditor for the SAME ACCOUNT NUMBER appears on both reports -- it's one way to see if the creditor views this a joint liability.
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Whose name was on the crdit card account? If it was soley in your name or the name of your business, and your wife was not involved with the business, the judgment creditor cannot collect from your wife, unless she guaranteed the debt.
This should not be construed as formal legal advice or the offer of the formation of an attorney/client relationship. There is no substitute for taking the time to consult directly with an attorney regarding your specific legal needs and issues.