Organized at new york city and mustered in for two years’ service may 9, 1861. The unit would see service in the eastern theatre, until the unit was mustered out may 14, 1863 with the recruits assigned to 146th new york infantry. Battles: duty at newport news, virginia, may 25 to july 26, 1861 big bethel, expedition through accomac and northampton counties, virginia., siege of yorktown, reconnaissance to hanover court house may 26, hanover court house, operations about hanover court house may 27-29, new bridge, operations against stuart june 13-15, old church,. Battle of mechanicsville, gaines mill, manassas, white oak swamp, turkey bend, malvern hill, pope’s campaign in northern virginia, bull run, maryland campaign september 6-22, antietam, shepherdstown ford, fredericksburg, mud march, chancellorsviile campaign april 27-may 6. Battle of chancellorsviile may 1-5. Regiment lost during service 6 officers and 171 enlisted men killed and mortally wounded and 34 enlisted men by disease, a total of 211.The flags follow the known pattern for new york regiments with the national flag following the state regulations for new york state written in 1838. The state or regimental colour was to be of blue silk with the state arms of new york upon its centre. The number of the regiment and, the letters n.Y.S.M. Were embroidered in gold thread under the seal. The originals are held in albeny new york in the state collections.