Career
He was tour captain for the inaugural Wallaby overseas tour, that to New Zealand in 1905. After school he played for the Parramatta Two Blues in 1893 & 1894 then the Wallaroo club side in Sydney in 1895 and 1896. He lived in Lucknow near Orange, New South Wales from 1896 to 1899 and played rugby there, making representative Country sides for clashes against City in each of those years.
In 1900 he returned to Sydney and commenced with the Western Suburbs DRUFC in its inaugural year of competition.
He would play 87 first-grade games for the club Wickham was first selected in a New South Wales representative side in 1895 aged 19 and would go on to make 37 Waratah appearances in a state representative career than lasted till 1906.
He made 24 state appearances in matches against Queensland. He first represented at the national level against New Zealand, in Sydney, on 15 August 1903.
He made two Test appearances against Great Britain who toured Australia 1904 and then in 1905 he was selected for the Wallabies tour of New Zealand, the first overseas campaign by an Australian rugby side.
He was one of fourteen New South Welshman, who with nine Queenslanders made up a twenty-five strong squad. Wickham played every match on tour and was top-scorer with eighteen points from two penalty goals and three goals from marks. In total he claimed five international rugby caps for Australia, four of them as captain.
Wickham had been two years retired by the date of the 1908-1909 Australia rugby union tour of Britain.
New South Wales state selector James McMahon was tour manager and in those days the idea that anyone other than the captain would coach the side was frowned upon. McMahon was initially the only accompanying official but Howell writes that a public campaign resulted in Wickham also being included on the tour as Assistant Manager acting unofficially as coach.