High Quality Content by WIKIPEDIA articles! The designation of the oldest synagogue in the United States requires careful use of definitions, and must be divided into two parts, the oldest in the sense of oldest surviving building, and the oldest in the sense of oldest congregation. Even here, there is the distinction between old synagogue buildings that have been in continuous use as synagogues, and those that have been converted to other purposes, between buildings that have been in continuous use as synagogues and those, such as the Touro, that were shuttered for many decades, and between early established congregations that have been in continuous existence and early congregations that ceased to exist.