Brendan James O'Neill

Brendan J. O’Neill is a family law attorney at McKinley Irvin who combines compassion with practical, results-focused advocacy. A Monroe, Washington native, Brendan discovered his path in family law while working as a paralegal in Everett, where he saw firsthand how thoughtful legal guidance can make a meaningful difference for families facing difficult transitions.

Brendan represents clients in divorce, child custody, parenting plans, relocation matters, and child support. He has a particular interest in parenting plan and relocation cases, helping parents create stability and structure for their children during times of change. Known for his clear communication and steady approach, Brendan helps clients understand their options, stay informed, and move forward with confidence.

Grounded in the belief that effective advocacy starts with listening, Brendan takes a calm, solution-oriented approach to every case. He works closely with clients to understand their goals and develop strategies that support both immediate needs and long-term outcomes. His experience externing for Judge Flevaris also gave him valuable insight into court procedures and reinforced his commitment to fairness and accessibility in the legal system.

Brendan’s clients value his ability to break down complex legal issues into straightforward guidance while maintaining a thoughtful and empathetic perspective. He is dedicated to helping individuals and families navigate challenging moments with clarity, confidence, and a sense of stability.