Isaac Guy Decoste, b: 1902 - Charlottetown, Prince Edward Island

^{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 - 1919 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}


			^{Isaaie (Isaiah) Decoste}^{b.1837 River Bourgeois, Canada d.1901 Petit-de-Grat, Canada}

		^{Guillaume (William) Decoste}^{b.1864 Cape Auget, Nova Scotia d.1934 Cha, Prince Edward Island}	^{Emilie (Amelia) Richard}^{b.1825 Arichat, Nova Scotia d.1873 Cape Auget, Nova Scotia}

	^{Isaac Guy Decoste}^{b.1902 Cha, Prince Edward Island d.1938 Cha, Prince Edward Island}

^Joan Decost^{b.1933 d.2007 Cha, Prince Edward Island}		^{Adeline Blanchard}^{b.1861 New Brunswick d.1950 Cha, Prince Edward Island}

^{Joyce Mary Decoste}^{b.1932 Cha, Prince Edward Island d.2013 Smiths Falls, Ontario}

^{Julia (Bobbie) Decoste}^{b. d.2013}

	^{Alice LeClair}^{b.1909 Rusticoville, CANADA d.1990 Cha, Prince Edward Island}