When parents disagree about a child’s last name during a Texas divorce, neither parent has the exclusive right to make that decision. Under Texas Family Code § 45.004(a)(1), a court may order a child’s name changed if the change is in the child’s best interest.
A recent Texas appeals court decision examined whether a mother could retain the surname she selected for her child without the father’s input, despite the parents remaining married when the child was born: In re Marriage of Callahan and Lewis, No. 06-25-00104-CV (2026).
Background of the Case
Claire Callahan filed for divorce from Matthew Lewis after nine months of marriage. She discovered she was pregnant before filing, and their daughter was born while the divorce remained pending.
The mother named the child A.C. Callahan and left the father’s information blank on the birth certificate. At the time, Callahan was not either parent’s legal surname, although the mother subsequently changed her surname to Callahan through a separate proceeding.
The mother testified that the parents had discussed adopting Callahan as a shared family surname. The father denied agreeing to the change and testified that he discovered his omission from the birth certificate when obtaining a copy to add the child to his insurance.
Following a bench trial, the trial court ordered that the child’s surname be changed to Lewis. Although the court found that the father had moved out and maintained minimal communication during the pregnancy, it also found that he attended most of the child’s medical appointments after birth.
The mother appealed, arguing that insufficient evidence supported the name change and that the trial court abused its discretion.
How Do Texas Trial Courts Decide Whether to Change a Child’s Last Name?
The best interest of the child standard is applied when determining if a child’s last name should be legally changed. The appeals court identified several considerations, including:
- Potential embarrassment or confusion
- How long the child has used the existing last name
- The effect on parental relationships
- The child’s age and preferences
- Whether either parent’s motivation involves alienation.
These factors are not exhaustive, and courts need not give each factor equal weight. See C.W. v. B.W., No. 02-19-00270-CV (2020).
The mother argued that the trial court failed to explain its findings under each factor. The appeals court rejected that argument, explaining that judges must determine the child’s overall best interest rather than mechanically apply a checklist.
Applying the abuse-of-discretion standard, the appeals court found sufficient evidence supporting the last name change and affirmed the trial court’s ruling.
What This Decision Means for Divorcing Texas Parents
This decision confirms that choosing a child’s last name on a birth certificate does not necessarily settle a later dispute. The facts around the last name selection at birth also matter. For example, neither parent having the last name Callahan at the time of the child’s birth and the mother maliciously failing to list the father on the birth certificate despite knowing the paternity can prove problematic in court.
Parents seeking or opposing a name change should present evidence addressing the child’s relationships, established identity, and future interests rather than relying solely on their personal naming preferences. This evidence needs to be presented effectively in trial court, because the standard of review often leaves the appellate court bound to the decision regardless of whether it would have chosen a different outcome.
If you are involved in a Texas divorce involving a dispute over your child’s last name, before or after the birth, McClure Law Group can assist. Call (214) 692-8200 or send us a message to discuss your case.
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