Meriwether is another spelling for the English surname Merryweather. This was originally a nickname for a person of sunny, pleasant disposition. It comes from the words "merry" + "weather." Meriwether
Every name site I have ever been to neglects the name's existance, which is a shame since its such a nice name and since its the first name of someone who greatly helped to expand America (Meriwether Lewis, obivously). Meriwether would certainly be a unique name for either sex or for a family who wants something historical without using the name "Jefferson". Personally I think it sounds nice after Charlotte.
Meriwether is another spelling for the English surname Merryweather. This was originally a nickname for a person of sunny, pleasant disposition. It comes from the words "merry" + "weather."