Barney, 12, American Scottish Terrier, First Dog of President George W. Bush (2001–2009), lymphoma.
Omar Henry, 25, American boxer, cancer.
Ed Koch, 88, American politician, U.S. Representative from New York (1969–1977), Mayor of New York City (1978–1989), television judge (The People's Court), heart failure.
Robin Sachs, 61, English actor (Buffy the Vampire Slayer, Galaxy Quest, Babylon 5), heart attack.
Edith Houghton, 100, American baseball player and scout, first female scout in Major League Baseball.
John Kerr, 81, American actor (The Streets of San Francisco), short illness.
Chris Kyle, 38, American author and Navy SEAL sniper, most lethal in U.S. military history, shooting.
Tyrice Thompson, 27, American football player, stabbed.
Guy F. Tozzoli, 90, American architect, lead designer of the World Trade Center.
Donald Byrd, 80, American jazz trumpeter.
Paul Tanner, 95, American trombonist, last surviving member of the Glenn Miller Orchestra, complications from pneumonia.
Elizabeth Alley, 58, American actress (Sunset Beach).
W. Watts Biggers, 85, American novelist, creator of Underdog.
Esther Buckley, 64, American educator, member of the United States Commission on Civil Rights (1983–1992), traffic collision.
Rick Huxley, 72, English musician (The Dave Clark Five).
Christopher Dorner, 33, American murderer, suicide by gunshot.
Gerry Day, 91, American film (The Black Hole) and television writer (Dennis the Menace).
William T. Randall, 97, American Negro league baseball player.
Glenn Boyer, 89, American author and Wyatt Earp historian.
Mary Brave Bird, 58, American Lakota writer and activist.
Richard J. Collins, 98, American screenwriter (Bonanza, Matlock).
Walt Easley, 55, American football player (San Francisco 49ers).
Mark Kamins, 57, American disc jockey, discovered Madonna, heart failure.
Shadow Morton, 72, American songwriter ("Leader of the Pack") and record producer (The Shangri-Las, Vanilla Fudge), cancer.
T. L. Osborn, 89, American televangelist and author.
Reeva Steenkamp, 29, South African model, shot.
Tim Dog, 46, American rapper, complications of diabetes.
Pat Derby, 70, British–born American animal trainer, throat cancer.
Tony Sheridan, 72, English rock and roll singer, early collaborator with The Beatles.
Harald Siepermann, 50, German animator (Tarzan, Who Framed Roger Rabbit?, Enchanted), cancer.
Phil Henderson, 44, American basketball player (Duke University).
Mindy McCready, 37, American country music singer (Ten Thousand Angels), suicide by gunshot.
Mike Westhues, 64, American singer-songwriter and guitarist.
David Whitehouse, 71, British-born American museum executive (The Corning Museum of Glass), cancer.
Kevin Ayers, 68, English psychedelic rock songwriter and musician (Soft Machine, Wilde Flowers).
Otto Beisheim, 89, German billionaire businessman, founder of Metro AG, suicide.
Jerry Buss, 80, American entrepreneur, owner of the Los Angeles Lakers, Buss, who had owned the Lakers since 1979, was credited with procuring the likes of Earvin "Magic" Johnson, James Worthy, Shaquille O'Neal and Kobe Bryant. The Lakers won 10 NBA championships and 16 Western Conference titles under Buss' ownership.cancer and kidney failure.
Pep Simek, 86, American businessman, founder of Tombstone pizza.
Damon Harris, 62, former member of the Motown group the Temptations.
George Aratani, American entrepreneur (Mikasa, Kenwood) and philanthropist, complications of pnuemonia.
John Brascia, 80, American dancer (White Christmas, Meet Me in Las Vegas), Parkinson's disease.
Lou Myers, 77, American actor (The Wedding Planner, A Different World).
Robert Coleman Richardson, 75, American physicist, winner of Nobel Prize for Physics (1996), complications following heart attack.
Bob Godfrey, 91, British animator (Henry's Cat, Roobarb) and Academy Award-winning (1975) short film maker (Great).
Magic Slim, 75, American blues singer and guitarist.
Cleotha Staples, 78, American gospel singer (The Staple Singers), member of the Rock and Roll Hall of Fame, Alzheimer's disease.
Debi Austin, 62, American anti-smoking advocate, cancer.
George Ives, 87, American actor (Bewitched, Green Acres, Perry Mason).
Mario Ramírez, 55, American baseball player (New York Mets, San Diego Padres).
Paul C. P. McIlhenny, 68, American businessman, CEO of Tabasco, heart attack.
Roy Brown Jr., 96, American car design engineer (Edsel, Ford Consul, Ford Cortina), complications of Parkinson's disease and pneumonia.
Virgil Johnson, 77, American doo-wop singer (The Velvets).
Allan B. Calhamer, 81, American boardgame inventor (Diplomacy).
Stewart "Dirk" Fischer, 88, American jazz musician and composer.
C. Everett Koop, 96, American pediatric surgeon and public health administrator, Surgeon General of the United States (1982–1989).
Dan Toler, 64, American musician (Allman Brothers Band), amyotrophic lateral sclerosis.
Jan Howard Finder, 73, American science fiction writer, renal and liver failure.
Tom Griffin, 96, American aviator, member of the Doolittle Raid.
Stéphane Hessel, 95, German-born French author and diplomat, member of the French Resistance, survivor of Buchenwald, Mittelbau-Dora and Bergen-Belsen
Maya Jackson Randall, 33, American financial journalist (The Wall Street Journal), leukemia.
Dale Robertson, 89, American actor (Death Valley Days, Tales of Wells Fargo, Dynasty), lung cancer and pneumonia.
Richard Street, 70, American singer (The Monitors, The Temptations), pulmonary embolism.
Van Cliburn, 78, the legendary pianist honored with a New York ticker-tape parade for winning a major Moscow competition in 1958, bone cancer.
Nancy Cooke de Herrera, 90, American socialite and author.
Donald A. Glaser, 86, American physicist and neurobiologist, Nobel Prize in Physics (1960).
Bruce Reynolds, 81, British criminal, mastermind of the Great Train Robbery.