Oglaigh na hEireann Distinguished Service Medal, with Merit

The medal may be awarded to officers, non-commissioned officers and privates of the Defence Forces and to members of the Army Nursing and Chaplaincy Services in recognition of an individual or associated acts of bravery.

On 18 February 1964 a medal to be known as “An Bonn Seirbhíse Dearscna” or, in English, “The Distinguished Service Medal”, was introduced by the Defence Forces. The medal may be awarded to officers, non-commissioned officers and privates of the Defence Forces and to members of the Army Nursing and Chaplaincy Services in recognition of individual or associated acts of bravery, courage, leadership, resource or devotion to duty (other than any such acts or duty performed on war service) arising out of, or associated with, service in the Defence Forces and not meriting the award of An Bonn Míleata Calmachta.

To date 150 DSM Medals have been awarded, 32 DSM medals with Honour, 64 DSM Medals with Distinction and 54 DSM Medals with Merit.

List of the Recipients
https://www.military.ie/en/public-information/defence-forces-ceremonial/defence-forces-medals/distinguished-service-medal/recipients-of-the-dsm-medal-with-merit/