Theresa Dora Blatchford. mar Peter Sullivan Barrickman on the 1920 census for Dravonsburg,Allegheny Co,Pa they ae listed Peter was born 1 may 1850 in Armstrong Co Pa.It is believed he died at St Andrews Church Buried at the United Presbyterian Cemetery in Butler,Butler Co Pa I would like more on this Theresa Dora Blatchord.please keep on-keeping on-never quit. Roger