"Is he in a band?" Britten said.
She checked Google and the family has been watching Pearl Jam videos online since.
Vedder was compelled to help after reading about her hardships. He felt it mirrored some of his own childhood.
"I was just so moved by the story and what this mother did for her children," Vedder said Sunday. "I thought those kids must be so proud of their mother for reaching out. That takes a lot of courage."
A GoFundMe page has helped the family raise more than $18,000.