Understanding Tennessee Custody Laws in 2025: Key Factors Courts Consider Introduction Custody laws in Tennessee have evolved over time. In the past, mothers were often assumed to be the primary caregivers in child custody cases. However, in 2025 , courts focus on parenting responsibilities rather than outdated gender roles. Tennessee law (TCA 36-6-106) ensures that custody decisions are based on the child's well-being. Understanding Tennessee Custody Laws Under TCA 36-6-10