Union of Orthodox Rabbis was created in 1901.
Orthodox Union was created in 1898.
No, there are female rabbis, even amongst the Orthodox. (Orthodox female rabbis aren't pulpit rabbis.)
-- The modern Reform and Reconstructionist Jewish movements ordain female rabbis. -- The Conservative Jewish movement began to ordain women within the past 20 years. -- Orthodox Judaism has never ordained women.
It's mostly Orthodox rabbis who are multi-generational rabbis.
No.
Mostly Orthodox rabbis do that.
Men can be Rabbis in all forms of Judaism. In Liberal Judaism (Conservative, Reform, Reconstructionist, etc.), women can also be Rabbis. There is currently a few practicing female clergy in Orthodox Judaism, but they are not considered Rabbis since it is forbidden for women to be Rabbis in Orthodox Judaism.
Orthodox Judaism doesn't recognize women rabbis, but the other branches do, and they're respected.
Keshet Rabbis was created in 2003.
All the branches, however, the Orthodox branch does not allow women to become pulpit rabbis.
International Federation of Rabbis was created in 2000.
No. Very many do (some trimmed, some not trimmed), but there's no requirement, and customs in the various communities differ.