Matthew Henry McCloskey Jr. (February 26, 1893 – April 26, 1973) was a Philadelphia businessman and Democratic fundraiser who served as United States Ambassador to Ireland from 1962 to 1964.

[1] McCloskey was born in West Virginia, and moved to Philadelphia with his family when he was two years old.

[3] Buildings by the McCloskey Construction Company include the Rayburn House Office Building Philadelphia Convention Hall, the Philadelphia Sheraton Hotel, and District of Columbia Stadium (now RFK Stadium).

[10] After confirmation by the Senate, he presented his credentials to Irish leaders on July 19, 1962, and had the official title of Ambassador Extraordinary and Plenipotentiary.

[10] In early 1964, it was reported that McCloskey would resign his Ireland post in order to assist with fundraising for that year's presidential election.