Searching for Hadley of California

William R. Hadley was born in Kentucky about 1795. Married Elizabeth"Betsy" Helm Helmes in 1814. Need information on these two people.
Son: Leander Hadley b. abt. 1826 in New York m. abt. 1846 [Polly Salloway].
Leander's son: Leander H. Hadley b. Feb. 1847 in New York m. 1869 in Pennsylvania to Maria Antionette "Nettie" Finch d. 11/11/1925 in San Francisco
Leander H.'s son: Wilber Leander "Bill" Hadley b. 10/20/1884 in Hayward, Ca. m. 1/25/1914 to Bessie Mable Sawyer d.10/11/1951