Yes, you can designate a minor as a beneficiary, but doing so can create MAJOR problems.
THE PROBLEM: In the state of Texas, minor children (any person under the age of 18) cannot legally own any real property or be entitled to receive any assets. This means that if minor children are designated as beneficiaries, they need a guardian of the estate appointed by the court to control the assets or property on their behalf until they turn 18 years old. Appointing a guardian of the estate for minor children can be a long and costly process.
If you or a family member has designated minor children as beneficiaries on any current documents, it may be time to reconsider. Please contact a probate attorney to discuss the alternatives.