According to Dead or Alive here is a list of who passed away so far this year:

3/31/2009 82 Raúl Alfonsín - Politics

3/27/2009 86 Irving R. Levine - Journalism

3/25/2009 61 Dan Seals - Music

3/18/2009 45 Natasha Richardson - Entertainment

3/15/2009 62 Ron Silver - Entertainment,Theater

3/4/2009 92 Horton Foote - Entertainment,Theater

2/28/2009 90 Paul Harvey - Journalism

2/25/2009 91 Philip José Farmer - Literature

2/14/2009 84 Louie Bellson - Music

2/11/2009 97 Willem Kolff - Inventing

2/6/2009 83 Philip Carey - Entertainment

2/6/2009 87 James Whitmore - Entertainment

1/30/2009 76 Ingemar Johansson - Sports

1/27/2009 76 John Updike - Literature

1/16/2009 91 Andrew Wyeth - Art

1/14/2009 88 Ricardo Montalban - Entertainment

1/13/2009 80 Patrick McGoohan - Entertainment

1/8/2009 71 Don Galloway - Entertainment

1/5/2009 90 Griffin Bell - Politics

1/3/2009 84 Pat Hingle - Entertainment

1/1/2009 90 Claiborne Pell - Politics

1/1/2009 91 Helen Suzman - Politics