McMahon & Grow represents clients in the general practice of law, concentrating on banking, corporate, commercial, construction, real estate, labor and environmental law issues, employee/employer relations, including wills, trusts and estate planning.


David C. Grow:
Richard D. Simons:
John W. Grow:


Phone: (315) 336-4700
Fax: (315) 336-5851
General Firm E-Mail:

Brief History: The Law Firm of McMahon and Grow traces its history back over 150 years beginning with the great-grandfather of Richard H. McMahon in the mid 1850s. It is a combination of two law firms that merged in the 1960s - Grow and Grow and the Law Offices of Richard H. McMahon, to form the firm of McMahon and Grow.

George B. Grow (1915-2009) and Richard McMahon (1930 to 2016) were the principal founders of the merged law firm of McMahon and Grow. Honorable Richard D. Simons retired as an Associate Judge of the New York State Court of Appeals in 1997 and became counsel to the firm.

John W. Grow is also a founding member of the law firm. He resigned from the firm after his election as a New York State Justice of the Supreme Court and served as such from 1983 to 2009. He then returned to the firm and also currently serves as a Judicial Hearing Officer for New York State's Unified Court System. He is a former Corporation Counsel for the City of Rome, a fellow of the New York State Bar Foundation, and a member of the New York State and Oneida Bar Associations. He is President of the Herbert Dyett Fund of the Rome Community Foundation; past President or member of the Board of Red Cross, Rome United Way, Salvation Army in Rome, Jervis Library, Rome Area Chamber of Commerce, YMCA, and Oneida County and Rome Bar Associations. He is a member and Elder of the First Presbyterian Church of Rome. He served as a US Army Officer and was a member of its Reserve Corps. He is a graduate of St. Lawrence University and The Cornell Law School.

David C. Grow joined the firm as an Associate Attorney in 1973, became an Assistant Corporation Counsel and Corporation Counsel in the City of Rome, and after leaving that position, became partner in the firm. David C. Grow has been a member of the Oneida County Industrial Development Agency since the 1980s and presently serves as its Chairman. He is a past director of the Oneida County Bar Association and presently the treasurer of the Rome Bar Association. He was the past President of the Rome Area Chamber of Commerce, United Way of Rome, the Oneida County Industrial Development Corporation, Oneida County (EDGE), and Jervis Library Association. He served for many years as a member of the Board of Visitors of the New York State School for the Deaf and it's Chairman. He is a past member of the advisory Board of the Salvation Army in Rome, New York and is President of The Rome Community Foundation. He is a member of the Vestry of Zion Episcopal Church in Rome. He is a graduate of St. Lawrence University and The Cornell Law School. He served in the US Army as a Captain in the JAGC Corps from 1969 to 1972, stationed at Ft. Rucker, Alabama.

Julie Grow Denton, a Cum Laude graduate of the Harvard Law School, joined the firm in 2002, after serving several years in the federal court system, including confidential law clerk to the late Honorable Richard Cardamone of the Second Circuit Court of Appeals. She left the firm in 2015 to become the confidential law clerk to Honorable Louis P. Gigliotti, Oneida County Surrogate Judge.