I can put you in touch with the folks who researched this information from the following.
MARION COUNTY, KY
St. Charles Catholic Church, St. Mary, Ky - 1829/1889
St. Francis Xavier Catholic Church, Raywick, Ky – 1840/1873
Holy Cross Catholic Church, Holy Cross, Ky – 1832/1868 & 1869/1904
Holy Name of Mary Catholic Church, Calvary, Ky – 1807/1874 (Blacks 1807/1835)
St. Augustine, St. Monica and St. Ivo Catholic Churches, Lebanon, Ky – 1835/1942
NELSON COUNTY, KY
St. Catherine Catholic Church, New Haven, Ky – 1843/1874 1876/Aug. 1909
The Gethsemani Abbey – 1850/1954 (No Baptisms are listed between 1911-1950.)
St. Joseph Catholic Church, Bardstown, Ky – 1823/1949
St. Michael Catholic Church, Fairfield, Ky – 1829/1860 (No Black Baptisms.)
St. Vincent Catholic Church, at The Nazareth Motherhouse – Dec. 1835/Feb. 1936
St. Thomas Catholic Church, Bardstown, Ky – 1826/1903
St. Vincent dePaul Catholic Church, New Hope, Ky – Sep. 1847/1849 & Sep. 1864/1911
WASHINGTON COUNTY, KY
St. Rose Catholic Church, Springfield, Ky – 1830/1887 (No Black Baptisms available.)
St. Dominic Catholic Church, Springfield, Ky – 1884/1936
Holy Rosary Catholic Church, Manton, Ky – 1866/1875 (No Black Baptisms available.)
Holy Trinity Catholic Church, Fredericktown, Ky – 1883/1945
(Oct. 1908 / March 1909 missing) - (March 1920 / June 1920 missing)