It's derived from East Saxon; there's also Sussex (from South Saxon) and Thomas Hardy's name for Dorset was Wessex (West Saxon).
Fermanagh, Tyrone & Down.
Essex, UK is 1,417 square miles.
In the UK a county can also be called a Shire.
Caithness is the most northerly county on the mainland.
Cambridgeshire has boarders with eight other counties. These are Essex, Hertfordshire, Bedfordshire, Northamptonshire, Rutland, Lincolnshire, Norfolk, and Suffolk. I believe this is the greatest number counties connected to any one county in England
Essex Fells, New Jersey is in Essex County.
Essex County Railroad was created in 1864.
Essex County Railroad ended in 1880.
Essex County Courthouse was created in 1904.
Essex County League was created in 1937.
Essex County Standard was created in 1831.
Essex County College was created in 1966.
Essex County Jail was created in 1837.
Essex County.
Tappahannock-Essex County Airport was created in 2007.
The airport code for Essex County Airport is CDW.
Essex County Hospital Center was created in 1896.