Rushley Island is a small uninhabited island in Essex, England. It is the smallest of six islands comprising an archipelago in Essex, and is privately owned. A seawall was first constructed in the 1780s by John Harriott, and the island has been the object of farming activities since then.Fautley, M. P. B. and Garon, J. H., Essex Coastline: Then and Now (Potton Publishing, 2004), , pp. 168, 190–192. Excerpts available at Google Books.
The local racehorse trainer and one-time Rushley Island owner, Frank Threadgold, once bred a horse which he named after the island."Islands of Essex" by Ian Yearsley, p.75
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