Not yet. As of today (13th October, 2010) she is still alive.
Bill Rowling died on 1995-10-31.
Dianne Rowling did not die during childhood. She is better known as J.K. Rowling, the author of the Harry Potter series. J.K. Rowling is alive and well, and continues to be a successful author and public figure.
As of this writing, Rowling is still alive. She was born in 1965, so she's not even really all that old; if she lives a typical lifespan, she shouldn't die until 2040 or so.
As of my last update, J.K. Rowling, the author of the Harry Potter series, is still alive.
And...
Peter James Rowling and Anne Rowling (née Volant) are JK Rowling's parents.
December 30, 1990 at age 45
== == Pete Rowling-was an engineer for Rolls Royce in Bristol Anne Rowling-Half-French, Half-Scottish
J.K. Rowling's son's name is David Gordon Rowling Murray.
J.K. Rowling's mother was Anne Volant Rowling. She died at age 45 from MS.
J.K. Rowling's mother was named Anne Rowling and her father was named Peter Rowling.
He died on May 2, 1998, according to J.K. Rowling's timeline.