Dayle Haddon, a model and actress who graced many a magazine cover in the 1970s and 1980s and bucked the fashion industry by continuing to model later in life, was found dead at her daughter’s home in Bucks County,

A 76-year-old woman found dead of suspected carbon monoxide poisoning at a historic Bucks County farmhouse property early Friday has been identified as Dayle Haddon, who had a successful career as a model in the 1970s and ‘80s and later became a UNICEF ambassador.

Model Dayle Haddon died in a suspected carbon monoxide leak at the Bucks County home of her son-in-law, Hallmark movie star Marc Blucas, officials said.