Kelly’s Court was formally known as Hynes Court and was situated on the west side of (now) Patrick Street just above Cross Avenue. There is a telephone exchange located there now.
It is listed by Charles Halliday as having 5 cottages. (He also lists a Keellys Court with 8 cottages)
Another Kelly's Court is listed in Griffiths Valuation of the 1850s. It has 20 small dwellings, and John Kelly is listed as the Lessor. From the position in Griffiths, we can infer that it is in the Cumberland St/York Road area.