Lyman and Jacob Blackington were brothers and members of the 19th Regiment, Massachusetts Volunteers, Co. F. during 1861-1862. They were at Meridian Hill (1861) and then were sent to Camp Benton, Edwards Ferry, Md. Lyman was a picket guard by the Potomac near Seneca Mills, Md. (Jan. 1862). In March 1862 he marched to Harpers Ferry and Winchester, Va. ; participated in the siege of Yorktown and West Point, Va. (April-May 1862). By May 1862 Lyman was in McClellan's rear guard at Fair Oaks, Va. and was in the trenches before Richmond. Lyman was killed in action in July 1862. Jacob continued to see action in the Maryland Campaigns near Sharpsburg, Md. on Sept. 1862 and was at Bolivar Heights, Va. in Oct. 1862 and Warrenton, Va. by Nov. 1862.
From the description of The Lyman and Jacob Blackington papers, 1861-1862. (US Army, Mil Hist Institute). WorldCat record id: 25160407