What is the legal age of marriage?
If you get married in the UK its 16 with parent consent 18
without. It depends on where you get married.
In most states, the youngest you can get married is 16, with parental consent, and 18, without parental consent.
The legal age for marriage in the United States is 18 years of age. You can get married before this but you must have your parent or guardian's permission.
If the marriage was legal in every other way then the answer is yes. However, it would help to know your wife's current age and how long you have been married. In some states the marriage may be voidable if one of the spouses challenges it. If you have questions about the validity of your marriage you should consult with an attorney who specializes in family law.