Atty. Kathryn DeVane Hamilton

Atty. Kathryn DeVane Hamilton

Kathryn DeVane Hamilton has been practicing law in Florida and Washington states since 1998 and is the founding member of Hamilton O’Neill. Prior to establishing the Law Firm in 2008, Kathryn began her extensive litigation career as a trial attorney at the Miami-Dade County Public Defender’s Office trying over forty trials.

Miami Miami 28 yrs experience 28 year
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Alimony & More Attorney · Serving Miami, FL · 28+ Years Experience

Profile Summary

About Kathryn DeVane Hamilton at a Glance

Kathryn DeVane Hamilton is a Member based in Miami, Florida, practicing at Hamilton O'Neill. They have 28+ years of legal experience, licensed to practice since 1998. Their practice focuses on divorce, family law, child support, alimony, and prenup. Admitted to practice in Florida (1998) and Washington (1999). Educated at University of Miami School of Law (J.D., 1998) and University of Washington (B.A. Society, 1995). Recognitions include AV Preeminent. Active member of The Florida Bar Washington State Bar Association. Serves clients in Miami, FL and the surrounding metropolitan area.

Verified attorney profile · Updated October 2026

About Kathryn DeVane Hamilton

  • Kathryn DeVane Hamilton has been practicing law in Florida and Washington states since 1998 and is the founding member of Hamilton O’Neill
  • Prior to establishing the Law Firm in 2008, Kathryn began her extensive litigation career as a trial attorney at the Miami-Dade County Public Defender’s Office trying over forty trials
  • Her zealous representation led to acquittals or the dismissal of charges for many clients facing years in prison
  • In 2001, Kathryn focused her sites on family law litigation and joined the prestigious Miami family law firm, Kutner and Associates where she sharpened her civil litigation skills representing public figures, business owners, entrepreneurs and professionals
  • When Kathryn founded the Law Firm, she focused her representation on providing strategic, compassionate and tenacious representation to her clients in all areas of domestic relations, including dissolution of marriage, equitable property distribution, alimony and child support, paternity, child custody and parenting plans, prenuptial and postnuptial agreements and domestic violence, among others
  • Kathryn recognizes that the decisions she guides her clients to make are among the most important choices in their lives with both short and long term implications
  • Kathryn’s approach to practicing family law has resulted in numerous successes and honors for her excellence in the field of family law, including: Rating of AV Preeminent by Martindale Hubbell, the highest rating awarded based upon reviews from her peer attorneys, judges and clients for her professional excellence, legal abilities and ethical standards
  • Selected as Super Lawyer in Family Law – rated top 5% of lawyers in Florida since 2017
  • Recognized by Best Lawyers in America as a Top Attorney in Family Law since 2019
  • Ranked as “Best Law Firms” in family law by U.S
  • News & World Report - Best Lawyers since 2020
  • Selected as a 2020 Woman Leader in the Law by ALM
  • Rated "Superb" by as a Family Law Attorney since 2012
  • Named a Rising Star by Super Lawyers for 4 years, a distinction for only 2.5% of the lawyers in Florida
  • Named Florida Outstanding Young Lawyer by Florida Top Attorneys in 2013 and 2011
  • Kathryn is a founding member of the Miami-Dade Chapter of American Academy for Certified Financial Litigators
  • In 2017, she was appointed by The Florida Bar Family Law Section for two terms to serve on the Rules and Forms Committee
  • She has been published in several national and state publications and has lectured on family law to fellow attorneys
  • Originally from Seattle, Washington, Kathryn earned her Bachelor of Arts in Society and Justice at the University of Washington in 1995 before moving to Miami, Florida to study at the University of Miami School of Law
  • She earned her Juris Doctorate in 1998 from the University of Miami, after winning the 1996 Moot Court Board Competition, was selected as a member of the prestigious Moot Court Board and received Honors in the Litigation Skills Program
  • Kathryn is a member of the Family Law Section of the Florida Bar and has been a member of the Florida First Family Inns of Court since 2002
  • Kathryn is a supporter and sponsor of ICU Baby, an organization devoted to assisting families and babies that are born to the Neo-Natal Intensive Care Units in South Florida
  • She has been a member of Junior League Miami and the Humane Society

Practice Areas Explained

Kathryn DeVane Hamilton's Areas of Legal Practice

Each practice area below reflects the types of cases Kathryn DeVane Hamilton handles, with a practical overview of what that area of law involves and how it may apply to your situation in Miami.

Divorce in Miami

A divorce attorney guides you through property division, spousal support, custody, and the final decree — contested or uncontested.

Kathryn DeVane Hamilton is one of 50,071 divorce attorneys indexed nationally. Browse divorce attorneys in Florida →

Family Law in Miami

Family law attorneys handle divorce, child custody, child support, adoption, prenups, and protective orders. Find verified family lawyers near you.

Kathryn DeVane Hamilton is one of 185,688 family law attorneys indexed nationally. Browse family law attorneys in Florida →

Child Support in Miami

Kathryn DeVane Hamilton is one of 24,443 child support attorneys indexed nationally. Browse child support attorneys in Florida →

Alimony / Spousal Support in Miami

Kathryn DeVane Hamilton is one of 10,588 alimony attorneys indexed nationally. Browse alimony attorneys in Florida →

Prenuptial & Postnuptial Agreements in Miami

Kathryn DeVane Hamilton is one of 8,810 prenup attorneys indexed nationally. Browse prenup attorneys in Florida →

Jurisdictional Context

Why Local Counsel Matters in Miami

Practicing law in Florida. Legal matters in Florida are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Miami are typically filed in the local municipal court or the appropriate Florida state district court, depending on subject matter and amount in controversy. An attorney licensed in Florida brings working knowledge of local procedural deadlines, judicial practices in this venue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in Florida courts without local counsel or pro hac vice admission.

Miami Courts and Legal Process

Choosing a Miami-based attorney means your counsel already knows the local docketing timelines, preferred filing formats, and how individual judges typically rule on procedural motions — details that only come from practicing in this jurisdiction day after day. That local familiarity can translate to better strategy, faster filings, and fewer costly surprises.

Looking for additional Florida attorneys? Browse all attorneys in Miami or all attorneys in Florida.

Frequently Asked

Common Questions About Kathryn DeVane Hamilton

Where is Kathryn DeVane Hamilton's law office located?
Kathryn DeVane Hamilton's law practice is located in Miami, Florida. The firm is Hamilton O'Neill. You can contact the office directly through this profile page.
What practice areas does Kathryn DeVane Hamilton handle?
Kathryn DeVane Hamilton focuses on divorce, family law, child support, alimony, prenup. Each practice area listed reflects experience handling cases of that type in Florida.
How long has Kathryn DeVane Hamilton practiced law?
Kathryn DeVane Hamilton has 28+ years of legal experience and has been licensed since 1998.
Where did Kathryn DeVane Hamilton go to law school?
Kathryn DeVane Hamilton earned their education at (J.D., 1998); (B.A. Society, 1995).
How can I contact Kathryn DeVane Hamilton for a consultation?
You can contact Kathryn DeVane Hamilton directly through this profile page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profile attorneys respond within one business day.
What awards or recognition has Kathryn DeVane Hamilton received?
Kathryn DeVane Hamilton's notable recognition includes: AV Preeminent.

Professional Profile

Why Clients in Miami Choose Kathryn DeVane Hamilton

Selecting an attorney is one of the most consequential decisions you can make when a legal matter arises. Below are the core qualities that distinguish Kathryn DeVane Hamilton's practice in the field of divorce, family law, child support, alimony, and prenup.

Decade-Tested Legal Experience

Kathryn DeVane Hamilton brings 28+ years of hands-on legal practice — enough to have navigated the recurring fact patterns, procedural traps, and negotiation dynamics that shape case outcomes.

Multi-State Bar Admission

Licensed in Florida and Washington, Kathryn DeVane Hamilton can represent clients in cases that span state lines or require counsel in multiple jurisdictions.

Broad Practice Area Coverage

Covering divorce, family law, and child support, Kathryn DeVane Hamilton can address the full spectrum of a client's legal needs without requiring referrals to separate specialists for each issue.

Local Presence in Miami

A Miami-based practice means Kathryn DeVane Hamilton attends hearings in the same courthouses, knows the local clerks, and understands the unwritten scheduling norms that affect every case filed here.

Case Types

Common Legal Issues Kathryn DeVane Hamilton Handles in Miami

Below is a representative sample of the types of matters Kathryn DeVane Hamilton has experience with under Florida law. If your situation involves one of these case categories, this attorney may be well positioned to help you understand your options.

Divorce and property division
Family Law
Child custody and support
Family Law
Spousal support (alimony)
Family Law
Prenuptial agreements
Family Law

This list is illustrative, not exhaustive. Contact Kathryn DeVane Hamilton directly to discuss the specifics of your situation.

Search Reference

How People Find Kathryn DeVane Hamilton Online

Prospective clients searching for legal help in Miami commonly use a combination of the attorney's name and their specific legal need. The following search terms frequently lead people to this profile and to attorneys like Kathryn DeVane Hamilton.

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If any of the above matches what you searched for, you've found the right profile. Use the contact options at the top of this page to get in touch with Kathryn DeVane Hamilton directly.

Education & Law School Background

J.D.
University of Miami School of Law
- 1998
B.A. Society
University of Washington
- 1995

Awards & Professional Honors

AV Preeminent

Bar Admissions & Licensed Jurisdictions

Florida
Admitted: 1998
Washington
Admitted: 1999

Client Reviews & Ratings — Kathryn DeVane Hamilton

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