United States of America
U.S. Army · United States 
Andrew Grennan
1927
Andrew Grennan served the U.S. Army.
How He Died
Manner
Accident
Cause
Multiple traumatic injuries
What Happened
Patrolman Andrew Grennan drowned while on a guard post on Pier 4 in Wallabout Basin. He was protecting a load of 200 half-barrels of beer that had been seized in a raid several days earlier. He was walking around the Baltimore & Ohio Railroad float that was tied up to the pier when he stumbled, struck his head, and fell into the water. Patrolman Grennan was a United States Army veteran and was assigned to the 46th Precinct.
Keepsakes
Service Record
U.S. Army
Also Served
New York City Police Department
Patrolman
In Our Keeping
Permanent identifier
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Record added
August 2, 2026
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Last updated
August 2, 2026
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