Catherine Elizabeth Coulson (October 22, 1943 – September 28, 2015) was an American stage and screen actress who worked behind the scenes on various studio features, magazine shows and independent films as well as acting in theater and film since the age of 15. She is best known for her role as Margaret Lanterman, the enigmatic Log Lady, in the David Lynch TV series Twin Peaks.
Catherine Coulson cause of death.
On September 28, 2015, it was confirmed that Coulson had died of complications from cancer at her home in Ashland, Oregon.