You could be right. The waters are a bit muddy there. But assuming Wiki got it right which is not always safe to assume:
". . .Congress passed the
Foreign Assistance Act on September 4, 1961, which reorganized U.S. foreign assistance programs and mandated the creation of an agency to administer economic aid. USAID was subsequently established by the
executive order of President
John F. Kennedy, who sought to unite several existing foreign assistance organizations and programs under one agency.
[8] USAID became the first U.S. foreign assistance organization whose primary focus was long-term socioeconomic development. . ."
en.wikipedia.org