Private First Class Kenneally was a member of the 187th Airborne Infantry Regimental Combat Team. He was Killed in Action while fighting the enemy in South Korea on 27 March 1951.

Kenneally was awarded the Purple Heart, the Combat Infantryman's Badge, the Korean Service Medal, the United Nations Service Medal, the National Defense Service Medal, the Korean Presidential Unit Citation and the Republic of Korea War Service Medal.