Looking for Syres Sires

I am searching for my gggrandfather Richard SYRES,SIRES, he was born Mar 1877,,no death date and his wife was Una V (Cherokee Indian) she was born June 1880 and died abt 1904,,I have them both listed in Mississippi,,Richards dad was John F SYRES,SIRES. botn 1845 and died 28 Aug 1888 and Mary E,,no dates...if you have any info that you could share with me such as parents, siblings,children,,would be greatly appreciated,,thank you for your time and kindness,,take care God bless you and your loved ones,,