thanks I found this same info at http://www.boston.com/news/nation/articles/2007/12/27/mccains_children_avoid_the_limelight/ perhaps someone can add a section to the page with all his children's names and year of birth

There are the children from his first marriage - Doug and Andy, from his first wife's former marriage - whom he adopted when they were young, as well as a daughter, Sidney. Then there is the second family: Meghan, Jimmy, Jack, and the McCains' adopted daughter, Bridget, 16,