From http://lasvegassun.com/news/1998/oct/01/obituaries-for-october-1-1998/

Thursday, Oct. 1, 1998

Joseph Ballas, 79, of Las Vegas died Tuesday in Las Vegas. He was born June 15, 1919, in Aliquippa, Pa. A resident for 19 years, he was a civil service instrumentation specialist, a World War II Air Force veteran, a Pearl Harbor survivor, a member of Veterans of Foreign Wars Post 7283 in Lancaster, Calif., and American Legion Post 8 in Las Vegas.

He is survived by his wife, Olive L.; one daughter, Beryl C. Maher of Tehachapi, Calif.; three brothers, Andrew Ballas of Parma, Ohio, Paul Ballas of Cleveland and Edward Ballas of Tampa, Fla.; two sisters, Ann Balog of Berea, Ohio, and Mary Schock of Euclid, Ohio; five grandchildren and seven great-grandchildren.

Burial at Southern Nevada Veterans Memorial Cemetery, Boulder City.

From http://www.findagrave.com/cgi-bin/fg.cgi?page=gr&GSln=ballas&GSfn=joseph&GSbyrel=all&GSdyrel=all&GSob=n&GRid=96042206&df=all&

Birth:  Jun. 15, 1919
Death:  Sep. 29, 1998

Family links: 
 Spouse:
  Olive Ballas (1919 - 2000)
Burial:
Southern Nevada Veterans Memorial Cemetery
Boulder City
Clark County
Nevada, USA
Plot: L-0341