Another side of the tombstone has symbols for his membership in the Masons and I.O.O.F. On the reverse is information on Sarah A., wife of W.A. Hayden, born Aug. 16, 1834. No death date is given. The tombstone is in Salem Cemetery, Livingston County, Kentucky and was photographed 13 October 2018.
William A. Hayden married America Finch 1 December 1846 Christian County, Kentucky.  Several sons were born to this couple: Robert M., born 5 July 1848, died 11 March 1890 and buried Salem Cemetery;  Dr. J.V. Hayden, born 21 May 1850, died 14 May 1930 and buried Salem Cemetery;  William O. Hayden, born 30 January 1850 Missouri, died 14 October 1927 and buried Salem Cemetery.
William and America Hayden and their family were living in Pope County, Illinois in 1850. By 1860, the Hayden family had moved to Crittenden County, Kentucky.
William A. Hayden's second marriage was to Sarah Ann Threlkeld on 30 November 1858 in Pope County, Illinois. According to her death certificate, Sarah Ann, daughter of Thomas Threlkeld and Liddie Owen, was born in Crittenden County. Sarah Ann outlived her husband by 17 years.
William A. Hayden's obituary gives quite a lot of information about his life. He was born in Trigg County, Kentucky and later moved to Salem. He had been a member of the Christian church for over 30 years and, at the time of his death was an Elder in the church. Prior to this he belonged to the Cumberland Presbyterian church. He was survived by two sons, Dr. John Hayden and Mr. Octavus Hayden. The funeral service was in the Christian church and was conducted by the Rev. J.S. Rowe. His remains were laid to rest in the Salem cemetery by the Masons.
 Kentucky County Marriages 1783-1965, Christian County 1846, Ancestry.com.
 Find A Grave Memorial #50594251, R.M. Hayden, Salem Cemetery, Salem, Kentucky.
 Kentucky Death Certificate #12182 (1930), J.V. Hayden died Jefferson County, Kentucky, Ancestry.com.
 Kentucky Death Certificate #23562 (1927), William O. Hayden died Salem, Livingston County, Kentucky, Ancestry.com.
 1850 Pope County, Illinois, Roll M432_125, p. 268B, dwelling 290, family 290, Ancestry.com.
 1860 Crittenden County, Kentucky West Half of the county, Roll M653_363, p. 313, Ancestry.com.
 Judy Foreman Lee and Carolyn Cromeens Foss. Pope County, Illinois Marriage Books A-E 1813-1877, Vol. 1, (Evansville, IN: Evansville Bindery, 1990), 63.
 Kentucky Death Certificate #18955 (1923), Sarah Ann Hayden, born 18 August 1834; died 17 June 1923, Ancestry.com.
 "One of Salem's Oldest Citizens Passes Away at His Home in Salem Monday Evening," Crittenden Record-Press (Marion, Kentucky), Fri., 19 October 1906, p. 1.
Published 18 Dec 2018, Western Kentucky Genealogy Blog, http://wkygenealogy.blogspot.com/