http://www.chron.com/cs/CDA/ssistory.mpl/newsmakers/2760121
I found it.
McCain's eldest daughter is named Sidney.
NOT to say that a son doesn't go by same name,
but it "shore" seems strange to me.
Full name: John Sidney McCain III
Birthdate: Aug. 29, 1936
Age on Inauguration Day 2001: 64
Birthplace: Panama Canal
Hometown: Phoenix, Ariz.
Family: Wife Cindy and seven children: Doug, Andy, Sidney from first marriage; Meghan, Jack, Jimmy and Bridget from current marriage.
Current job: U.S. senator (R-Ariz.)
Career: U.S. Navy
see #70