This is a Shanahan line as I found it:

Timothy Shanahan b. Kilworth, Co., cork m. Jane Unknown(She died after 1866 in Groveland, Mass.), Mass.

1. Michael J. b. bet. 1800-1810 Bantry Bay, Co., Cork M. Judith/Julia Unknown

1. Wm. Timothy b. 1828 Kilworth or Youghal, C. Cork m. Joanna Welsh 1851 in Groveland, Mass
1.John b. 1864 d. 1937
2.Julia A.
3.Margaret
4.Michael Frances b. 1860 Groveland, Mass m. Johanna McCarthy 1881 in Groveland , Mass.
1. Elizabeth d. 1907
2. Frances Augustine 1882 Andover, Mass M. Agnes McGinley
3. William Timothy 1884 North Andover, Mass m. Margaret Bradley
4. Frederick J. 1886 North Andover, Mass. m. Jeannette Owens
5. John L. 1889 """
6. Edmund T. 1894 """" d. 1944 Haverhill, Mass
5.Elizabeth
6.Mary E. b. abt. 1865
7.Jeremiah b. abt. 1867 S. Groveland, Mass
8.Timothy E. b.abt. 1870 d. 1904
2. Edmund b. Ireland m. Nancy Ann Monahan in S. Groveland, Mass.
1.Alexander b. 1865 Groveland, Mass.
3. John b. Abt. 1840 in Watertown, Mass. d. 1900 in Groveland, Mass.

I got this info from my 90 yr. old relative. She may have been a bit confused, but she did come up with each of these names/dates from the top her head so there must be some merit in it's validity. If anyone is related to anyone in this family or has additional or different info, please email me.