Olivia was fatally shot by a gunman who chased convicted burglar Joseph Nee into her home in Dovecot on August 22.
Her mother Cheryl Korbel, 46, was injured in the shooting, which happened just after 10pm. Shooting victim Olivia Pratt-Korbel "touched so many people's hearts"
Cashman, of Grenadier Drive, West Derby, is also charged with the attempted murder of Ms Korbel and Nee, as well as two counts of possessing a firearm with intent to endanger life.
Ms Korbel was in court for the hearing, along with Olivia’s father, John Francis Pratt, a number of police officers and more than 20 members of the media.
Cashman, wearing a pale T-shirt, was in handcuffs in the dock and surrounded by four police officers.
He spoke to give his name, date of birth and address.
Police motorcycles block the road to other traffic as a vehicle carrying Thomas Cashman arrives at Liverpool Magistrates’ Court (Peter Byrne/PA)
Paul Russell, 40, also appeared in court, charged with assisting an offender. he was alleged to have assisted Cashman by driving him away from the scene and disposing of clothing.
No application for bail was made and he was remanded in custody to appear at Liverpool Crown Court on October 31.