Irina Sebrova died in 1948.
Irina Sebrova was born in 1914.
Irina Spasky does die in 39 Clues #6, In Too Deep.
Irina Godunova died in 1603.
Irina Press died in 2004.
Irina Bugrimova died in 2001.
Irina Mazing died in 1994.
Irina Yusupova died on 1983-08-30.
Irina Saburova died on 1979-11-22.
Irina Belotelkin died on 2009-01-21.
Irina Gabashvili died on 2009-03-23.
Irina Baldina died on 2009-01-15.
Irina Arkhipova died on 2010-02-11.