[2] Moncur was born in 2004 in Dundee to parents Trisha, a nurse, and Paul.
At the age of 4 months, Moncur was diagnosed with transverse myelitis and has undergone multiple operations.
Moncur plays basketball and represented Scotland at Lord's Taverners National Junior Wheelchair Championships in 2014.
Moncur lives in Birkhill, Angus and attends Monifieth High School.
[4] In March 2015, an open casting call was announced for the character of Chloe in The Dumping Ground.