Etymology
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Mother Hubbard 

in reference to a kind of loose, full gown worn by women, 1878, from Old Mother Hubbard, nursery rhyme, which was printed 1805, written by Sarah Catherine Martin (1768-1826) but based on earlier material of unknown origin. The name is attested from 1591.

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Motown 
recording label launched 1960 by Berry Gordy Jr., from Mo(tor) Town, perhaps based on Motor City, a nickname for Detroit attested by 1911.
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