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Mary Catherine Whipple

Mary Catherine Whipple

Family Lawyer
Whipple, Mercado & Associates, LLP
San Ramon, CA
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About Mary Catherine Whipple

Attorney Biography

Mary C. Whipple opened her first law practice in the summer of 2008. She previously was an associate attorney at the Law Office of Cummins & Holmes, a full-service civil litigation law firm in San Ramon. The majority of her experience is in family law, which includes divorce, custody, support, prenuptial agreements and domestic violence restraining orders. Certified by the California State Bar’s Board of Legal Specialization, she is a specialist in the area of family law. 

Mary also previously worked as a contract attorney for O’Melveny & Meyers in San Francisco while simultaneously volunteering at the Bar Association of San Francisco’s Volunteer Legal Services Program, representing defendants in unlawful detainer actions. The program acknowledged Mary with an Outstanding Volunteer in Public Service Award in 2006 for her efforts in providing access to justice.

A seventh-generation Californian, Mary is a graduate of Loyola University Chicago School of Law. She earned her Bachelor of Science in criminology at Southern Oregon University in Ashland, Oregon. She is a member of the State Bar of California, the Alameda County Bar Association, and the Contra Costa County Bar Association.


Mary is active in her community as a member of the Ambassador’s Committee for the San Ramon Chamber of Commerce; a volunteer at the Alameda County Superior Court, where she acts as a settlement referee assisting self-represented litigants in completing their divorces; and a member of Divorce Angel, where she provides information regarding family law matters to members of the community. Since 2007 she has been a volunteer judge for Alameda and Contra Costa County’s Annual High School Moot Court Competitions. She is a member of the Danville/Sycamore Valley Rotary Club and California Women Lead; she was the San Ramon Chamber of Commerce 2012 Business Person of the Year; and she is a graduate of the 2012 class of Leadership San Ramon Valley. She is a proud member of Los Californianos.

Practice Areas

Family Law (100%)

Résumé - Mary Catherine Whipple

Bar Licenses

California State Bar
Member in Good Standing


Loyola University Chicago School of Law
Loyola University Chicago School of Law

Specialty Certifications

State Bar of California
Board Certified Specialist
Family Law
State Bar of California


California Lawyers Association, Family Law Section
California Lawyers Association, Family Law Section

California Lawyers Association
California Lawyers Association

Contra Costa County Bar Association

Alameda County Bar Association

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Commercial Recognitions

Professional Involvement badge
Recognized for Professional Involvement
Lawyer Legion

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Contact Mary Catherine Whipple

Mary Catherine Whipple
Whipple, Mercado & Associates, LLP
111 Deerwood Rd Suite 175
San Ramon, CA 94583
Office: 925-344-5050
Fax: 925-830-2823

More Information

Bar License Information

California Bar Membership -

Mary Catherine Whipple - Profile information with the State Bar of California - Find more information about Mary Catherine Whipple on the State Bar of California website, including: current status, actions affecting eligibility to practice law and disciplinary history.

Specialty Certification Information

Family Law Specialty Certification -

CBLS Board Certification in Family Law - Lawyers certified as family law specialists by the State Bar of California Board of Legal Specialization (CBLS) have demonstrated substantial involvement in the practice of family law.

The CBLS defines the term "family law" as the practice of law "dealing with all aspects of the California Family Code and including, but not limited to, the following: taxation issues incident to family law practice; contempt; enforcement proceedings; mediation and/or negotiation of family law disputes; psychological and counseling aspects of family law; family law writ and appellate practice; postmarital agreements; nonmarital domestic relationships; child custody in any forum; and public enforcement of child support."