Name of Ruby Isabel Herbert, and date of birth from Muriel Leo’s (nee Oliver, 1917-1998) Family Tree.

Christopher Wilfred Herbert has the second name spelt, “Isobel”?

Second name spelt “Isabel” by Cynthia Glover (nee Coleman), whose great-great-grandfather was William Samuel Allen b.1843. (William's sister, Martha Allen, married Charles Oliver, youngest son of James and Ruth Oliver).