Atty. Gregory S. Mager

Atty. Gregory S. Mager

Gregory assists his clients with family law matters. He is recognized by judges and peers as one of Wisconsin’s premier family law attorneys.

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Family Law Attorney · Serving Bayside, WI

Profile Summary

About Gregory S. Mager at a Glance

Gregory S. Mager is a family law attorney based in Bayside, Wisconsin, practicing at Mager Family Law LLC. Admitted to practice in Wisconsin, State Bar of Wisconsin. Educated at Marquette University (JD, 1997) and Marquette University (MA, 1994). Recognitions include Best Lawyers in America — Family Law (2026), Best Lawyers in America — Awards: (2026), and Best Lawyers in America — Fellow, American Academy of Matrimonial Lawyers (2012–). (2026). Serves clients in Bayside, WI and the surrounding metropolitan area.

Verified attorney profile · Updated October 2026

About Gregory S. Mager

  • Gregory assists his clients with family law matters
  • He is recognized by judges and peers as one of Wisconsin’s premier family law attorneys
  • He uses his extensive skill, training, and experience to help his clients achieve successful resolutions of their divorce, paternity, custody, placement, and support matters
  • Gregory is a Fellow in the American Academy of Matrimonial Lawyers and a Board Certified Family Law Trial Advocate by the National Board of Trial Advocacy
  • He is uniquely positioned to successfully represent clients in their family law matters, including those involving complex business, financial, and child related issues

Practice Areas Explained

Gregory S. Mager's Areas of Legal Practice

Each practice area below reflects the types of cases Gregory S. Mager handles, with a practical overview of what that area of law involves and how it may apply to your situation in Bayside.

Family Law in Bayside

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

Gregory S. Mager is one of 185,688 family law attorneys indexed nationally. Browse family law attorneys in Wisconsin →

Jurisdictional Context

Why Local Counsel Matters in Bayside

Practicing law in Wisconsin. Legal matters in Wisconsin are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Bayside are typically filed in the local municipal court or the appropriate Wisconsin state district court, depending on subject matter and amount in controversy. An attorney licensed in Wisconsin 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 Wisconsin courts without local counsel or pro hac vice admission.

Bayside Courts and Legal Process

Choosing a Bayside-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 Wisconsin attorneys? Browse all attorneys in Bayside or all attorneys in Wisconsin.

Frequently Asked

Common Questions About Gregory S. Mager

Where is Gregory S. Mager's law office located?
Gregory S. Mager's law practice is located in Bayside, Wisconsin. The firm is Mager Family Law LLC. You can contact the office directly through this profile page.
What practice areas does Gregory S. Mager handle?
Gregory S. Mager focuses on family law. Each practice area listed reflects experience handling cases of that type in Wisconsin.
Where did Gregory S. Mager go to law school?
Gregory S. Mager earned their education at (JD, 1997); (MA, 1994); (BA, 1992).
How can I contact Gregory S. Mager for a consultation?
You can contact Gregory S. Mager 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 Gregory S. Mager received?
Gregory S. Mager's notable recognition includes: Best Lawyers in America — Family Law; Best Lawyers in America — Awards:; Best Lawyers in America — Fellow, American Academy of Matrimonial Lawyers (2012–).; Best Lawyers in America — Selected for inclusion in Wisconsin Super Lawyers, Law & Politics and Milwaukee Magazine, 2013–2022.; Best Lawyers in America — Selected for inclusion in The Best Lawyers in America–Family Law in 2016 –2023..

Professional Profile

Why Clients in Bayside Choose Gregory S. Mager

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 Gregory S. Mager's practice in the field of family law.

Focused Family Law Practice

Concentrating on family law means Gregory S. Mager's knowledge of relevant statutes, case law, and procedural nuances stays current — unlike generalist practices that spread attention across unrelated fields.

Local Presence in Bayside

A Bayside-based practice means Gregory S. Mager 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 Gregory S. Mager Handles in Bayside

Below is a representative sample of the types of matters Gregory S. Mager has experience with under Wisconsin 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 Gregory S. Mager directly to discuss the specifics of your situation.

Search Reference

How People Find Gregory S. Mager Online

Prospective clients searching for legal help in Bayside 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 Gregory S. Mager.

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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 Gregory S. Mager directly.

Gregory S. Mager's Practice Areas & Specializations

Education & Law School Background

JD
Marquette University
- 1997
MA
Marquette University
- 1994
BA
Marquette University
- 1992

Awards & Professional Honors

Best Lawyers in America — Family Law
- 2026
Best Lawyers in America — Awards:
- 2026
Best Lawyers in America — Fellow, American Academy of Matrimonial Lawyers (2012–).
- 2026
Best Lawyers in America — Selected for inclusion in Wisconsin Super Lawyers, Law & Politics and Milwaukee Magazine, 2013–2022.
- 2026
Best Lawyers in America — Selected for inclusion in The Best Lawyers in America–Family Law in 2016 –2023.
- 2026

Bar Admissions & Licensed Jurisdictions

Wisconsin, State Bar of Wisconsin

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