68%RatingSave Gender Masculine Usage English (Rare) Pronounced Pron. /ˈmɛɹ.ɪ.wɛð.əɹ/ [key·simplify] Meaning & History From a surname meaning "happy weather" in Middle English, originally belonging to a cheery person. A notable bearer of the name was Meriwether Lewis (1774-1809), who, with William Clark, explored the west of North America. People think this name isRate·Details classic formal upper class natural wholesome refined strange complex Categories Corps of Discovery members, emotions, explorers, feelings, happiness, history, rare English, surnames, weather