Olivia Picard was Jean-Luc Picard's daughter during his Nexus experience in 2371.
Olivia helped her sister Mimi in decorating the Christmas tree, saying it took all day. She asked her father if he had seen his gift. (Star Trek Generations)
Olivia Picard was played by Olivia Hack.
According to the Star Trek Encyclopedia, 3rd ed., p. 324, Olivia Picard was ten years old, the same age as her brother Matthew Picard.