Alexander Whiteside Semple was born about 1808 in Pittsburgh, Allegheny County, Pennsylvania. His parents were John M. Semple (a merchant) and Margaretta Whiteside. He married Mary Finley in 1831 in Washington County, Pennsylvania. They had eight children named
Dr William Finley Semple
1832 – 1923
(See link below.)
Julia Ann Semple (Mairs)
1835 – 1918
(See link below.)
Mary Jane Semple (Hotchkin)
1836 – 1917
Margaretta Semple
1846 – 1928
(See link below.)
Hettie Collier Semple (Daugherty)
1847 – 1906
(See link below.)
Charles Alexander Semple
1849 – 1916
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Fanny Semple
1849 –
Emma Semple
1850 –
Alexander was a dentist in Steubenville, Ohio. It is said that he invented a new and improved chewing gum.