A record of many of the first or pioneer families to live in the settlement called Wildomar can be found in a book called History and Directory of Riverside County 1893-94 by A.A. Bynon & Son. This volume was produced in the inaugural year of Riverside County.
The entire volume can be viewed at https://archive.org/details/historydirectory00byno
Excerpts will be displayed here starting with an alphabetical list of families present when this volume was completed.
But first note A.A. Bynon and son Edward C. Bynon were residents of Wildomar lending to a fairly accurate list of early residents.