I dont have any more info on symbols unfortunately but intersting fact is that 3 United States counties are names after Sussex. 
 Thank you for all your help! 
 Wow, I did not know that! Anything on the symbols of Sussex? 
 Im sorry i dont have any info on toponymy but interesting fact about Sussex is known for its biscuits, cakes and pies. 
 ItsFlag is design is based on the heraldic shield of Sussex on the May 20 2011.
ItsFlag is design is based on the heraldic shield of Sussex on the May 20 2011.