[citation needed] The name "Cherrybrook" is believed to have come from the fact they grew cherry trees near the creek, which passed through their land.

The original bushland was bulldozed, and exhibition homes were built on cut and fill sites, then landscaped.

Accelerated development occurred again in the remaining rural areas in the 1980s, and Cherrybrook Post Office opened on 20 July 1994.

[2] Many of Cherrybrook's streets are named after native plants, trees, historical figures from convict times or local landowners.

Despite departing the Top Flight over 20 years ago, there have been ongoing efforts to resurrect the Bears, and North Sydney is the only Non-NRL club (Balmain, the Western Suburbs Magpies compete as the Wests Tigers, and the St. George Dragons and Illawarra Steelers compete as the St. George Illawarra Dragons, in which both of these are joint ventures) to have a Junior Rugby League District, and their Junior Rugby League competition also features teams from the Manly Warringah District, and Cherrybrook is represented by the Pennant Hills-Cherrybrook Stags, also known as the Penno Stags According to the 2021 census there were 19,082 residents in Cherrybrook.