In the early 1960s, he helped found the Australian Society of Authors.

Ignatius founded the Society after being wounded in battle and experiencing a religious conversion.

He helped to found the Historical Society of Queensland in 1913 and later became its president.

The same year, he helped to found the Society of American Bacteriologists.

His brother founded the Society for the Language Martyrs of 1965.

A year later, he founded the Society of Mary at Bordeaux.

He also founded the Society of Antiquaries, and was its first president.

Together they founded the Society of Jewish Science in 1921 (or 1922).

"For the sake of one child, I would have founded the Society."

In 1916 he founded the Society of Glass Technology, becoming its first secretary.