In the Holy Land, they are gathered in the Saint James Vicariate for Hebrew Speaking Catholics in Israel.
[3] Besides the segments of other religious communities in Israel and besides the segments of communities of Christians in Israel, from most of the Eastern Orthodox Christian groups to groups of Hebrew Catholics, these converted Jews subscribe to the theological doctrines and dogma of the Roman Catholic faith and as a result, they are in full communion with the Pope.
and they may even perform rituals like the wearing of kippot, tallitot, tefillin, the use of mezuzot and they may also keep many of the mitzvot (commandments) which are prescribed in the Torah as a sign of their heritage, just like Orthodox Jews.
The countries with the largest membership are the USA and Israel, but members are also found in Canada, France, Italy, Australia, Spain, England, Argentina, Brazil, Mexico, Venezuela, Colombia, Belgium, New Zealand, and Germany.
Ever since the foundation of the State of Israel in 1948, Judaism has been used in government policy and legislation as a means to give Israeli society a sense of identity.
[11] The number of Israeli Catholics of non-Arab origin increased during the 1990s, due primarily to immigration from the former Soviet Union.
As a result, the Vatican changed its policies in 2003, for the first time ordaining Jean-Baptiste Gourion as Auxiliary Bishop to overlook the Hebrew Catholic community in Israel.
[12] The appointment of David Neuhaus as vicar upon Gourion's death in 2003, however, is not in conformity with the importance that the Holy See ostensibly attributes to the newly emerging community.
[opinion] On the other hand, Neuhaus did participate in the Synod for Middle Eastern clergy as a special invitee of the Pope, and Hebrew – for the first time ever – was one of the official languages in which Radio Vatican covered the event.