Agent Sean M. McDonough - U.S. Customs and Border Patrol - True Life Hero

Sean M. McDonough
- May. 01, 2026 -

(31385)

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U.S. Customs and Border Patrol Patch

Resided:	Depauville NY, USA
Born:	Oct. 05, 1977
Fallen:	May. 01, 2026
Race/Sex:	Caucasian Male / 48 yrs. of age
	Agency
Dept:	U.S. Customs and Border Patrol 1300 Pennsylvania Avenue, N.W. Washington D.C., DC 20229 USA (877)227-5511
County:	District of Columbia
Dept. Type:	Federal/Law Enforcement
Hero's Rank:	Agent
Sworn Date:	Unk
FBI Class:	Death - Natural
Weapon Class:	Health
Agency URL:	Click Here
On The Job:	19 years
Duties:	recently served at the Wellesley Island Border Patrol Station, Buffalo Sector in New York

Bio: Sean was born in Ithaca, NY, the son of Ronald and Janet (Plonus) McDonough of Bainbridge, NY. He graduated from Bainbridge-Guilford High School in 1996. After completing his military service, Sean attended SUNY Cortland.

In March 1996, Sean joined the National Guard and served until March 2004. He entered active duty with the U.S. Army in September 2002, serving in the Military Police until September 2003. In March 2007, Sean began his career with the U.S. Customs & Border Protection, working in Arizona, Maine, and finally on Wellesley Island. During his military service, he received several honors, including the Army Commendation Medal and Overseas Service Ribbon.

Sean married Samantha D. Stevens on September 2, 2011, at St. Mary's Church in Houlton, ME. They had two daughters, Rory D. and Nora L., all three were the loves of his life.

A communicant of St. Mary's Church in Clayton, Sean was the current President of the Msgr. James Ruddy Division of the Ancient Order of Hibernians and a member of the Knights of Columbus 1000 Islands Council 350. He enjoyed spending time with 'his girls,' the Irish step dancers, and taking them to Feis. Sean was fluent in several languages and had a passion for metal detecting. His favorite holidays were Halloween and St. Patrick's Day, which he celebrated by cooking large Irish meals for family and friends and attending the North Country Goes Green Irish Festival.

Sean�s greatest pride was being a loving and devoted father. His one goal in life was to be the best dad to his daughters, and he accomplished that each and every day.

Survived by:

Wife
& two daughters

Fatal Incident Summary

Offender:	No Info
Location:	Alexandra Bay, NY USA
Summary:	Border Patrol Agent Sean McDonough suffered a medical emergency while performing marine unit water training in Alexandra Bay, NY.
Source:	Website Click
Source:	Obit Click

Last Updated: May. 09, 2026