Charles Nielson contested the seat of Musgrave at the 1902 state election, he contested the subsequent by-election in 2013 and won on his third attempt at the 1904 state election.
After O'Connell died in 1903, Nielson contested the subsequent by-election, this time losing to the Opposition candidate, John White. Charles Frederick Nielson (6 February 1871  15 August 1924) was a solicitor, and member of both the Queensland Legislative Council and Queensland Legislative Assembly. 
