Change Your Child's Surname Changing a child’s surname post-separation is a common occurrence in family law. The process is relatively straightforward if both parents agree. However, it becomes complicated when one parent wishes to change a child’s surname post-separation and the other parent opposes such change. In parenting matters, the Court must apply a presumption that it is in the best interests of the child for the parents to have equal shared parental responsibility in relation to major long-term issues...