Here is my list of his family, as I have it:

by Elizabeth 1816 – 1871
Harriett Geoghegan 1835 –
Edwin Geoghegan 1837 – 1872
Frederic Geoghegan 1839 – 1868
Joseph J Geoghegan 1841 – 1867
James Geoghegan 1847 –
Jane Geoghegan 1852 –
Elizabeth 'Betsey' Geoghegan 1856 –

Mary Ann Birchall 1835 –
Henry Birchall Geoghegan 1852 – 1885
K Geoghegan 1854 – 1892
Thomas Birchall Geoghegan 1856 –
Annie Birchall Geoghegan 1859 –
John Geoghegan 1860 –
May Geoghegan 1863 –
Mary Geoghegan 1867 –
Amy Geoghegan 1868 –
Marion Geoghegan 1870 –