In April 1775 when the Lexington alarm reached New Haven, he marched as a Captain at the head of a company of 37 men, to the releif of Boston. This was part of the 1st Regiment under Colonel Wooster which was raised by the General Court in April and May 1775. In April 1777 the legislature authorized the raising of several regiments which were known as the Continental Line. April 24, 1777, Josiah enlisted as a private in Captain Ely's company of the sixth regiment, Colonel Douglas of Northford commanding. The regiment rendezvoused at New Haven and went into camp in the summer of 1777 at Peekskill, New York. Performed outpost duty at Kingsbridge, New York under General Israel Putnam. During the winter of 1777-78 the regiment was at West Point engaged in erecting fortifications on the east side of the Hudson River. At the time of the invasion of New Haven on 5 July 1779 by the British under General Tryon, Josiah marched from Branford to New Haven with other militiamen to repel the invaders, who departed the next day. Captain from Connecticut;
DAR Patriot Index, Pg. 248
Buried in Northford Cemetery.