▁Ro ads , ▁located ▁at ▁the ▁intersection ▁of ▁Old ▁Philadelphia ▁Road ▁( MD - 7 , ▁in ▁some ▁places ▁known ▁as ▁Old ▁Post ▁Road , ▁then ▁known ▁as ▁Philadelphia ▁Post ▁Road ) ▁and ▁Bush ▁River ▁Ne ck ▁Road ▁( then ▁the ▁main ▁road ▁from ▁Sw an ▁Creek ▁) ▁ ▁Mechan ics ville , ▁located ▁at ▁ ▁The ▁Village ▁of ▁Aber de en ▁ ▁The ▁Town ▁of ▁Aber de en ▁ ▁In ▁ 1 8 9 2 , ▁Aber de en ▁was ▁incorpor ated ▁as ▁a ▁Town , ▁under ▁Chapter ▁ 1 3 6 ▁of ▁the ▁Act s ▁of ▁ 1 8 9 2 . ▁ ▁The ▁Town ▁Board ▁of ▁Commission ers ▁ ▁Upon ▁incorpor ation ▁as ▁a ▁Town , ▁Aber de en ▁government ▁was ▁led ▁by ▁a ▁board ▁of ▁commission ers . ▁▁ 1 8 9 2 – 1 9 0 5 , ▁a ▁Board ▁President ▁was ▁elected ▁ann ually ▁by ▁the ▁commission ers ▁▁ 1 9 0 6 – 1 9 5 4 , ▁this ▁election ▁was ▁changed ▁to ▁be ▁bien n ial ▁▁ 1 9 5 5 – 1 9 9 2 , ▁the ▁election ▁of ▁a ▁Board ▁President ▁was ▁changed ▁back ▁to ▁be ▁annual ▁ ▁In ▁ 1 9 9 2 , ▁the ▁Town ▁of ▁Aber de en ▁re vised ▁the ▁Char ter ▁and ▁became ▁the ▁City ▁of ▁Aber de en ▁with ▁an ▁Elect ed ▁Mayor . ▁ ▁The ▁first ▁Mayor ▁of ▁the ▁City ▁of ▁Aber de en ▁was ▁Ruth ▁Elli ot . ▁The ▁second ▁Mayor ▁was ▁Doug ▁Wilson ,