The William M. MOORE family members are buried near each other in Rockport Cemetery near Rockport, Aransas County, Texas. I posted photo of their burial markers to the following websites:

William M. MOORE
http://www.findagrave.com/cgi-bin/fg.cgi?page=gr&GRid=68...

Mary L. [LINTON/LENTON] MOORE
http://www.findagrave.com/cgi-bin/fg.cgi?page=gr&GRid=68...

Inscription:
WILLIAM M. MOORE
Jan 29, 1860 - June 6, 1906
MARY L. MOORE
Nov. 9, 1862 - Feb. 1, 1946

Mary L. MOORE's surname was LINTON or LENTON

http://www.findagrave.com/cgi-bin/fg.cgi?page=gr&GRid=70...
JAMES EDWARD MOORE
1883 - 1948
MARION GERTRUDE MOORE
1888 - 19--

James Edward MOORE was a son of Willim M. MOORE and Mary (LINTON/LENTON) MOORE. I do not have a surname for Marion Gertrude MOORE