Family Law Attorney

MARY C.
NEFF

Family Law Attorney. Certified Mediator. Monroe County Native.

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Mary C. Neff, family law attorney, Monroe County Illinois and St. Louis Missouri

Her Story

Mary C. Neff grew up in Monroe County, Illinois — the same community where she now serves families through some of the most difficult chapters of their lives. After earning her J.D. from Saint Louis University School of Law and a Master's in Family Sciences, Mary built her career at the intersection of law and human understanding.

She is dual-licensed in both Missouri and Illinois, Supreme Court-certified as a mediator in both states, and recognized as a Guardian ad Litem in Missouri courts. Her Monroe County Prosecutor experience gives her rare courtroom depth that most family attorneys simply don't have.

With over 13 years in practice, Mary founded her own firm to give clients something she values above everything else: undivided attention and a genuine commitment to moving their lives forward.

DUAL-LICENSED IN
MISSOURI & ILLINOIS

Most family law attorneys practice in one state. Mary practices in two — giving clients who live near the state line a single, experienced attorney who knows both systems inside and out.

13+ Years in Family Law Practice
M.S. Master's in Family Sciences — Rare among family attorneys

Credentials & Background

Dual-licensed: Missouri & Illinois
J.D., St. Louis University School of Law
Master's in Family Sciences
Supreme Court-certified mediator — Missouri & Illinois
Guardian ad Litem, Missouri courts
Monroe County Prosecutor experience
Born & raised in Monroe County, Illinois
13+ years in practice

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Or call: (314) 454-9100