Mortimer Daniel Costello (8 July 1936 — 8 August 2012) was an English footballer who played as a wing half. Career Costello began his career at Leytonstone, before signing for Aldershot in 1956. Costello remained at Aldershot for a single season, signing for Southend United in 1957. At Southend, Costello played 266 times in all competitions, scoring 15 goals. In 1965, Costello signed for fellow Essex club Chelmsford City. During his time at Chelmsford, Costello made 287 appearances, winning the 1967–68 Southern League in the process. References 1936 births 2012 deaths Association football wingers English footballers Footballers from Dagenham Leytonstone F.C. players Aldershot F.C. players Southend United F.C. players Chelmsford City F.C. players English Football League players Southern Football League players