He also controlled the Irvine Ranch in California, which was converted into a substantial real estate development company.

Rancho San Joaquin later became part of the Irvine Ranch.

The area that is now Northwood started off as part of the Irvine Ranch.

It was created in the early 1960s as part of William Pereira's master plan for the Irvine Ranch.

A partial list of cities within the boundaries of the Irvine Ranch includes:

Portions of all later became part of the Irvine Ranch.

Irvine Ranch contains a remarkably complete stratigraphic succession ranging in age from late Cretaceous (80 million years ago) to the present.

The Irvine Ranch started out as a cattle ranch in the 1860s.

The property is historically part of the Irvine Ranch, and was a land preserve up until the creation of the community.

He began opening small sections of the Irvine Ranch to urban development.