Bar and Bat Mitzvah the commandments . . ." The Talmud gives 13 as the age at which a boy's vows are legally binding, and states that this is a result of his being a "man", as required in . The term "bar mitzvah", in the sense it is now used, cannot be clearly traced earlier than the 14th century, the older rabbinical term being "gadol" (adult) or "bar 'onshin" (legally responsible for own misdoings). Many sources indicate that the ceremonial observation of a bar mitzvah developed in the Middle Ages, however, there are extensive earlier references to thirteen as the age of majority
Movement for Reform Judaism boys have their bar mitzvah. Reform Judaism is welcoming to non-Jewish spouses; while the Assembly maintains "clear opposition" to involvement in interfaith unions, since 2012 it allows rabbis to conduct celebratory events as long as the ceremony does not involve clergy or motifs from other religions, or conversely those of a Jewish wedding, like ritual canopy. As of 2017, Reform Judaism has 41 synagogues, of which 39 are located in England and 13 in Greater London. There is one congregation in Cardiff and one in Glasgow. As of 2010, Reform Judasim had 16,125 member households, accounting for 19.4% of synagogue-affiliated