Past and Present La Salle County Illinois directory for 1877 on page 649 for Miller township:
William D.Peddicord farmer, sect 32 with post office Marseilles,Ill; born in Licking county Ohio on Sept 15 1846; came to this county in 1852; Democrat; Liberal; cultivates 80 acres land belonging to his father E.S. Peddicord,Esq; married Dec 4 1870 to Lizzie Rife; she was born in Fairfield county Ohio on June 1 1854; have one child Clara B Peddicord born Dec 23 1871.
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A few years later in the June 1880 census Lizzie Peddicord and Clara are in Marseilles,Illinois. Lizzie is divorced and dress making; Clara is only 8.
In the Illinios marriage index Lizzie R.Peddicord married Elmer A Rider June 1889 in La Salle county Illinois, but do not know if it is the same Lizzie or not.
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I found several more William Peddicord in later census but could not confirm which one he might be.