Banks family
From Tolkien Gateway
Banks was a common Hobbit family name, found in the Shire and Bree. Known members of the family are Eglantine Banks, the mother of Peregrin Took, and Willie Banks, a hobbit from Bree, who was killed in the battles against the strangers who attacked Bree early in T.A. 3019.
Etymology
The name is topographical in the sense "steep slope or hill-side".[1]