Fanny was the daughter of a respected NSW Police Aboriginal tracker, Frank Williams, who was a Ngemba man.

[3] One of ten children, Hobson was named Percy after his father and Francis after his grandfather and uncle who was killed on active service in Malaya around the time of his birth.

[5] In November 1961, Percy Hobson broke the NSW resident high-jump record with a leap of 6 ft 8 in (2.03 m).

On the park's water tower, a mural project was commenced prior to July 2020 to raise funds to paint a mural on the tower, supported by Hobson's sisters Freda Harvey and Heather Mieni.

[10] With the base coats applied, the mural started in April 2021, a re-creation of an iconic photo of the moment Hobson earned his first gold medal.