Herbert Wood Salt Holding 1881-1975 ENG>PA>CA

Herbert Wood Salt was born September 23, 1881 in Wolstanton, Staffordshire, England to Eliza WOOD and an unknown SALT. We do not know whether there was a divorce or Mr. Salt died but Eliza and Herbert ended up in Pennsylvania where Eliza marriedWilliam HOLDING. Herbert took the name HOLDING and eventually married a lady whose name was Celia ?(b Nov 28, 1882, PA; d March 1973, CA). Known issue: Olive Holding (b 1905) and Helen Elizabeth Holding (b 1920). Herbert Wood Salt/Holding died Oct 1975 in CA.
Looking for the given name of Mr. SALT, a marriage date and clues to his demise; surname name of Celia and clues leading to her ancestry.