Jigadee Creek - early name for Sandy Creek a branch of Dora Creek
Jilliby-Jilliby Creek - Co. Northumberland - a tributary of the Wyong Creek fed by the Nellering Creek.
Johnson's Hill - Paterson
Johnys Point - near Silverwater, Lake Macquarie.
Jonestown - Cardiff. Part of John Jones 1862 land grant
Jooloogan Estate - at Dartbrook
Judge Dowling - a range of mountains situated in the Co. of Northumberland, a part of the Carmarthen Mountains. Formerly named the Devil's Backbone. 65 miles from Sydney. From this spot may be seen " Yengo," a remarkable flat-topped mountain to N.W., Well's Gazeteer
Jump-up - Later known as Belford
Jump-up Creek - Patrick Plains. A small souther tributary of the Hunter River flowing through the township of Belford
Jump-up Hill - Mount Royal Ranges
Juri - Co. of Parry. A township on the northern railway to the S of Tamworth. Geographical Encyclopaedia of NSW 1893