Oftentimes, when the children of a man named "Menachem" immigrated to the USA (without their father "Menachem") in the 19th and 20th centuries, they reported random and/or made-up transliterations//interpretations of their father's name. In genealogical records, many children with fathers named Menachem randomly and falsely reported his name as being "Haim", or "Victor Haim", or "Mendel", or "Bohor"—in many cases, and for reasons unknown. There are too many records showing Jewish immigrants who maintained their birth names upon immigrating to the USA, so it doesn't seem like it was for the sake of Americanization—and further, given the fact that to this day numerous people living in the Western Hemisphere continue to name their newborns "Menachem". There are no distinguishable names related to Menachem. I mention all of this in the event that anyone attempts tracing a distant ancestor who's name was originally "Menachem".
Menachem Begin was an Israeli politician, founder of Likud and the sixth Prime Minister of Israel. Before the creation of the state of Israel, he was the leader of the Zionist militant group Irgun, the Revisionist breakaway from the larger Jewish paramilitary organization Haganah. He proclaimed a revolt, on 1 February 1944, against the British mandatory government, which was opposed by the Jewish Agency. As head of the Irgun, he targeted the British in Palestine. Later, the Irgun fought the Arabs during the 1947–48 Civil War in Mandatory Palestine.
Because the name means 'comforter', or 'one who gives comfort', this name is traditionally given to boys born/named during the Jewish period of mourning between 1 Av - 9 Av. It is during this period of time that Jews mourn the destruction of the Holy Temple in Jerusalem by the ancient Romans.
― Anonymous User 5/4/2015
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Famous bearers include the 3rd Rebbe of Lubavitch, Menachem Mendel Schneersohn and the 7th (and final) Rebbe of Lubavitch, Menachem Mendel Schneerson.