 Complete the following phrase:  Though the most prevalent and recognised of the Irish regiments, several other notable regiments that were largely composed of Irish immigrants also distinguished themselves in the field. For example, the 9th Massachusetts Volunteer Infantry Regiment attached to the 5th Corp. formed largely of Irish immigrants from the Boston area suffered the loss of 15 officers and 194 enlisted men in combat as well as 3 officers and 66 enlisted men to disease throughout the war and were central to many of its bloodiest battles. Initially led by charismatic Colonel Thomas Cass himself an Irishman, born in Queens County, who died in 1862 after receiving wounds at the Battle of Malvern Hill, notable engagements included 