There are lots of connections with Sligo and the Isle of man from what I have read :
BIRTHS:
KEENAN, Andrew 10 Nov 1880 Dou KEENAN, James KEARNEY, Mary
KEENAN, Andrew 14 Sep 1888 Ram KEENAN, David GOLDSMITH, Ellen
KEENAN, Bridget 30 Oct 1888 Dou KEENAN, James KEARNEY, Mary
KEENAN, Catherine Elle 6 Oct 1900 Dou KEENAN, Andrew DORAN, Mary Ann
KEENAN, Elizabeth 5 Nov 1895 Dou KEENAN, Andrew DORAN, Mary Ann
KEENAN, James 5 Dec 1884 Dou KEENAN, James KEARNEY, Mary
KEENAN, James 24 Nov 1892 Ram KEENAN, David GOLDSMITH, Ellen
KEENAN, John 12 Dec 1879 Dou KEENAN, Michael SMITH, Mary Anne
KEENAN, John Andrew 4 Apr 1890 Dou KEENAN, Andrew GORDON, Mary Ann
KEENAN, Joseph 9 Sep 1897 Dou KEENAN, Andrew DORAN, Mary Ann
KEENAN, Margaret Ann 31 Oct 1890 Ram KEENAN, David GOLDSMITH, Ellen
KEENAN, Margaret Hilda 31 Dec 1893 Dou KEENAN, James KEARNEY, Mary
KEENAN, Mary Ann 17 Aug 1888 Dou KEENAN, Andrew DORAN, Mary Ann
KEENAN, Patrick James 17 Mar 1892 Dou KEENAN, Andrew DORAN, Mary Ann
KEENAN, Susan 11 Mar 1894 Dou KEENAN, Andrew DORAN, Mary Ann
KEENAN, William Daniel 1 Mar 1896 Ram KEENAN, David Daniel GOLDSMITH, Ellen
MARRIADGES:
KEENAN, Agnes Rose 16 Aug 1892 D RC 58 MC CRANNEY, Patrick
KEENAN, Agnes 22 Jul 1894 D dsb 67b KELLY, Joseph
KEENAN, Andrew 9 Nov 1887 D RC 21 DORAN, Mary Ann
KEENAN, Andrew 1912 P A1 85 NORTON, Emily WADE, Isabella
KEENAN, Catherine 11 Jul 1886 R RC 2 PURCELL, Patrick James
KEENAN, James 27 Oct 1870 D A2 28 CARNEY, Mary
KEENAN, John 29 Sep 1907 D dsb 156a CRELLIN, Margaret Ann
KEENAN, Margaret Annd 1911 R A1 115 SHIMMIN, Tom Louis THOMPSON, Thomas
KEENAN, Mary Ellen 26 Aug 1916 R mau 303 WORTHINGTON, George
BURIALS:
KEENAN, Andrew 73 Bal 11 Dec 1961
KEENAN, Isabella 83 Bal 17 Dec 1960
KEENAN, William James 71 Bal 14 Apr 1984
KEENAN, Annie 31 Bra 2 Aug 1911
KEENAN, James 4m 2w Bra 21 Apr 1885
KEENAN, James 61 Bra 24 Nov 1907
KEENAN, John Andrew 3 mos Bra 23 Sep 1887
KEENAN, Joseph 3 dys Bra 14 Sep 1897
KEENAN, Mary 60 Bra 29 Sep 1864
KEENAN, Agnes May 8m 3w Dbc 8 May 1906
KEENAN, Alice 1y 9m Dbc 22 May 1905
KEENAN, Andrew 50 Dbc 1 Jul 1915
KEENAN, Catherine 31 Dbc 23 Jan 1906
KEENAN, Edward Albert 13 mos Dbc 15 Apr 1926
KEENAN, Frances 28 Dbc 18 Jul 1904
KEENAN, James 85 Dbc 26 Aug 1972
KEENAN, Jane 69 Dbc 15 Apr 1937
KEENAN, Jessie Katleen 4 Dbc 15 Aug 1914
KEENAN, Jessie Maude 81 Dbc 17 Mar 1964
KEENAN, John 59 Dbc 6 Mar 1939
KEENAN, John 82 Dbc 28 Feb 1956
KEENAN, Joseph 2y 11m Dbc 24 Mar 1926
KEENAN, Lawrence Aloysius 81 Dbc 22 Aug 1970
KEENAN, Margaret Ann 66 Dbc 21 Mar 1946
KEENAN, Margaret Hilda 94 Dbc 8 Apr 1988
KEENAN, Mary Ann 58 Dbc 4 Jan 1926
KEENAN, Mary 87 Dbc 27 Nov 1963
KEENAN, Michael 54 Dbc 1 Apr 1906
KEENAN, Patrick 31 Dbc 7 Dec 1921
KEENAN, James 73 Lez 11 Oct 1965
KEENAN, David 76 Mau 21 Jan 1933
KEENAN, Ellen 80 Mau 31 Mar 1936
KEENAN, William Daniel 4 mos Mau 24 Jun 1896
KEENAN, Michael San 9 Jan 1726
Just a thought