Found the following deaths in the Kiltoghert parish register for Carrick-on-Shannon. The spelling Gilbane / Kilbane are interchangeable in this register.
14 Nov 1834 - James Kilbane departed this life age 81 years
15 March 1837 - Frank Gilbane departed this life age 60 years
18 Feb 1839 - Departed this life Pat Gilbane (no age given)
12 March 1840 - Departed this life Mary Kilbane age 56 ears
2 April 1840 Departed this life Mary Kilbane age 50 years