According to Keenan Cahill's fan page on Facebook, he was born on 20/3/1995.
According to other articles on Cahill, the year is correct, but no official source has been tracked down yet.
(See the Related link to Keenan Cahill's fan page on Facebook.)
The life expectancy for Keenan Cahill is 12.2 miles per hour
Nancy Keenan was born on February 14, 1952.
Keenan Milton was born on August 4, 1974.
Joe Keenan was born on July 14, 1958.
Keenan Wynn was born on July 27, 1916.
Mike Keenan was born on October 21, 1949.
Joseph B. Keenan was born on January 11, 1888.
Sterling James Keenan was born on February 24, 1984.
Maynard James Keenan was born on April 17, 1964.
Cahills have spies everywhere.
There will be 6 books in the Cahills Vs. Vespers series.
Lillie Keenan was the Junior Equestrian of the Year for 2013. Although her birthday is not public information, she has been riding since she was 6 years old.