I search Irishgenealogy.ie, a new, free, online database. I found the following:
Diocese of KERRY, Parish of MILLTOWN R.C. Baptism of THOMAS LEARY of LISTRY on 16 June 1839 Name THOMAS LEARY Date of Birth 16 June 1839 (Based on other date information) Address LISTRY Father THOMAS LEARY Mother CATHERINE SULLIVAN Further details in the record Child Denomination RC Father Occupation NR Sponsor 1 CHARLES MCCARTHY Sponsor 1 Address NR Sponsor 2 CATHERINE SHEA Sponsor 2 Address NR Priest NR
This MAY be for your ancestor. The DOB and address are about right.