Hi all,
The following burials were found using http://www.genealogybuff.com/data.htm#Rider
Other RIDER data can be found in the library of files at
http://www.picosearch.com/cgi-bin/ts.pl?index=131319&que...

Sardinia Cemetery, Erie Co., NY
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Rider, Addison, d. June 20,1903, aged 75 yrs. s. of Ruben and Jimima Pongrey Ryder.
Rider, Phoebe, his wife, d. Mar. 25, 1865, aged 28 yrs.
Rider, Adaline Witherel, 2nd wife, d. Jan. 14, 1885, aged 45 yrs.
Rider, Horace, 1789-1850.
Rider, Catharine, 1792-1870.
Rider, Lenora, 1861-1873.
Rider, Stanly, 1830-1866.
Rider, Melissa, 1891, aged 2 mos. 7 dys.
Rider, William, 1818-1888.
Rider, Claphyra Tilden, 1822- wife of Wm.
Rider, James, 1828-1910.
Rider, Mary Long, his wife, 1830-1876.
Rider, James W., 1854-1876.
Rider, Nettie G., 1856-1860.

Hope this helps.
Bill