Elizabeth Clark was born in Hinchinbrook, Quebec on November 10, 1847. She was the fifth child born to James and Jane Clark. She was raised in Hinchinbrook, but in her teens or early 20's she moved with her parents to South Pontiac, Quebec. In 1871, she moved to Parry Sound area with her sister Mary-Jane.

On January 23, 1874 Elizabeth married William McRoberts in Foley Township. Together they had seven children including one stillborn and two that died in infancy.

William died on May 3, 1937. Their only daughter Jennie died later that year, and then Elizabeth died on February 20, 1938, followed by their son Luke later that year.