He is not in judaism because the talmud predates his existence and jews do not believe he was the messiah as he famously claimed to be upon his entrance to jerusalem. (religion.blogs.cnn.com)
Why do you act so surprised... christians don't celebrate islamic holidays, after all... and much more than 1 % of the country practices judaism and islam... sounds like you need to re-do your research. (religion.blogs.cnn.com)
islam is an off - shoot of christianity, and both are derived from judaism. (religion.blogs.cnn.com)