only one in Buxton-1790 census
1790 census has a Jno. Muchemore in Buxton- 1 male over 16, 1 male under 16 and 3 females
there was a Muchmore in Portsmouth,NH
1800 census - Muchemore in Orford ,NH and Muchmore in Portsmouth,NH
1800 census- John Tufts in New Gloucester and Tings Town( Kennebec Co. -this co. formed in 1799)
Sorry - not much but maybe a bit of help.
Lynne A. Jones