Mary Helen (May) McDonnell, b: 1922

^{1929 The Great Depression begins}
^{1939 - 1945 World War II}
^{1945 Atomic bomb detonated (Hiroshima)}
^{1950 Korean War begins}
^{1964 - 1973 Vietnam War}

^{1898 Spanish-American War}
^{1903 Wright brothers 1st plane flight}
^{1908 Ford produces Model T}
^{1913 Edison invents movies w/sound}
^{1914 - 1918 World War I}

^{1846 War w/Mexico,Calif & NM acquired}
^{1861 - 1865 Civil War, North vs. South}
^{1867 Alaska Territory purchased}
^{1869 Transcontinental Railroad complete}
^{1879 Edison invents phono/light bulb}




	^{Leonard Blackmer}^{b.1917 d.1996 Grayling, Crawford, MI}

^{Daniel Blackmer}^{b.1944 d.2003}

^{Timothy G. Blackmer}^{b.1945 Detroit, Wayne, MI d.2004 Maple Forest Township}			^{James McDonald}^{b.1849 Balleighan, Ireland d.1920 Moville, Donegal, Ireland}

		^{Daniel McDonnell}^{b.1881 Moville, Donegal, Ireland d.1940 Detroit, Wayne, MI}	^{Sarah (Sally) Burns}^{b.1849 Ballymcarthur, Ireland d.1949 Moville, Donegal, Ireland}

	^{Mary Helen (May) McDonnell}^{b.1922 Greenock, Scotland d.}		^{Patrick McLaughlin}^b.1854 d.

		^{Mary E. McLaughlin}^{b.1885 Greenock, Scotland d.1947 Detroit, Wayne, MI}	^{Elizabeth Burns}^{b.1857 Scotland d.1936}