Rushey
From Tolkien Gateway
Rushey was a small village of the Marish, in the Eastfarthing of the Shire, spelt 'Rushy' on the map accompanying The Lord of the Rings.
Etymology
The name means 'Rush-isle'. -ey or -y in English place-names has the sense 'small island', as seen in Girdley.
It was called so as a 'hard' among the fens of the Marish.[1]