pug-mEYE-er

We know that the Pugmire name is rooted deeply somewhere in the Mormon community, delicately intertwined in history with more famous names (like Joseph Smith), which would explain why the majority of Pugmires in the U.S. today are still residing in the Idaho/Utah area.  There are a few sprinkled around here in Washington, as well as California and Nevada, and an even lighter dusting of Pugmires can be found on the East Coast, but most of them are in Idaho/Utah.  The name itself came from England, and while we haven't done any significant research on bloodlines yet, I did come across a definition of sorts.

Definition of Pugmire according to Ancestry.com:  English:  habitational name from a lost place in Yardley, Birmingham, recorded in 1645 as Puggmyre Farm.  this derives from the name of its 13th century landlord, Robert Pugg, whose surname is of unknown etymology and the middle English word myre now "mire" meaning "bog"

So my next questions are:  How much of the place is lost?  Is it the farm that's lost?  Or the whole bog?  And what exactly do you farm if your property is on a bog?  And who is Robert Pugg?