James Robert Sadleir, b: 1820

^{1830 French Revolution}
^{1837 Queen Victoria assumes throne}
^{1854 Crimean War with Russia}
^{1869 Opening of Suez Canal}
^{1871 Franco - Prussian War}

^{1789 French Revolution begins}
^{1798 Irish revolt against English rule}
^{1804 Napoleon becomes French Emperor}
^{1805 Battle of Trafalgar, Nelson killed}
^{1815 Battle of Waterloo, Napoleon defeat}

^{1740 War of Austrian Succession begins}
^{1762 Catherine II becomes Czarina/Russia}
^{1770 Cook discovers New South Wales}
^{1776 America declares independence}
^{1789 Geo. Washington 1st USA president}


			^{Richard Sadleir}^{b.1748 Holycross, Ireland d.1817}

		^{James Sadleir}^{b.1792 Brookville, Ireland d.1864 Tipperary, Ireland}	^{Grace Sadleir}^{b. d.}

	^{James Robert Sadleir}^{b.1820 County Tipperary, Ireland d.}

^{James Robert McMahon Sadleir}^{b. d.}		^{Elizabeth Hare Clarke}^{b.1799 Abbey, Ireland d.}

^{Marshall Sadleir}^{b. d.1963 Brookville, Ireland}



	^{Mary Ann McMahon}^{b.1841 Abbeyleix, Ireland d.1906 Niagara Falls, New York}