J.W. "Billy" Coyle IV

J.W. "Billy" Coyle IV

Oklahoma City, Oklahoma
Billy Coyle was born in Oklahoma City, Oklahoma on October 10, 1974. He attended elementary and middle school in Oklahoma City, but moved to Fort Lauderdale, Florida and graduated from Fort Lauderdale High School in 1993. He then enlisted in the United States Marine Corps and attended boot camp at Parris Island, South Carolina. Billy remained in the United States Marine Corp Reserves while attending college and was honorably discharged in 2001 at the rank of E-5, Sergeant.

Billy attended Florida State University and graduated with a Bachelor of Science Degree in 1998. After a brief stint in the finance industry, he returned to the Oklahoma City area in 2000 and graduated from the University of Oklahoma School of Law in 2003. Billy has been practicing criminal defense law with the Coyle Law Firm since 2004.

Billy is admitted in Federal Court for the Western and Northern Districts of Oklahoma, and the Tenth Circuit Court of Appeals. He is a member of the Federal Bar Association, and served on the Board for the Oklahoma City Chapter. He is also a member of the Oklahoma Bar Association, Oklahoma County Bar Association, the Oklahoma Criminal Defense Lawyers Association, Oklahoma County Criminal Defense Lawyers Board Member (President), and a Master of the Holloway American Inns of Court. In the summer of 2007, Billy graduated from the Gerry Spence Trial Lawyers College in Dubois, Wyoming and has since attended several graduate programs.

Billy is married to Heather Elizabeth Coyle and they have a son, Jack Coyle and two daughters, Lilly and Lilah. He attends Christ The King Catholic Church in Oklahoma City. His hobbies and interests include golf, politics, horses, hunting and fishing.

Areas of Practice

  • Criminal Defense

Bar Admissions

  • Oklahoma, 2004
  • U.S. District Court Western District of Oklahoma
  • U.S. District Court Northern District of Oklahoma
  • U.S. Court of Appeals 10th Circuit


  • University of Oklahoma College of Law, Norman, Oklahoma
    • J.D. - 2003
  • Florida State University
    • B.S. - 1998
  • Fort Lauderdale High School - 1993
  • Gerry Spence Trial Lawyers College in Dubois, Wyoming - 2007

Professional Associations and Memberships

  • Federal Bar Association, Member
  • Board for the Oklahoma City Chapter
  • Oklahoma Bar Association, Member
  • Oklahoma County Bar Association, Member
  • Oklahoma Criminal Defense Lawyers Association, Member
  • Oklahoma County Criminal Defense Lawyers, Board Member
  • Holloway American Inns of Court, Member
  • State of Oklahoma, Democratic Convention in North Carolina, Rules Committeeman, 2012 - Present

Past Employment Positions

  • United States Marine Corps
  • United States Marine Corp Reserves

Pro Bono Activities

  • Our Lady’s Cathedral in Oklahoma City