[2] In 1975, Malloy graduated from Georgetown University's Edmund A. Walsh School of Foreign Service with a BSFS.

Malloy joined the United States Foreign Service in 1978.

She served in the U.S. embassies in Ireland, the United Kingdom, Kyrgyzstan, twice in the U.S. embassy in Russia, the second time as Chief of the Arms Control Implementation Unit, in U.S. Consulate General Calgary in Canada, and as the U.S. Consul General in Sydney, NSW, Australia.

United States President Bill Clinton announced his intention to nominate her as the U.S.

She has two daughters, Mary Kathryn Paegle and Christina Alana McLachlan.