- Birth*: Helen Ogonowski was born on 23 July 1929 at Orient, Suffolk County, New York.
- Marriage*: Helen Ogonowski married Wallace Reid Siple, son of John Filmore Siple and Charlotte Caroline Carder, on 31 March 1951 at Wilmington, New Castle County, Delaware.
- Death*: Helen Ogonowski died on 1 October 2009 at age 80.
Family: Wallace Reid Siple b. 8 Aug 1926, d. 15 Feb 1995