http://civilrecords.irishgenealogy.ie/churchrecords/civil-perform-search.jsp?namefm=Robert&namel=Weir&location=&yyfrom=1900&yyto=1930&type=D&submit=Search&sort=&pageSize=100&century=&decade=&exact=&ddBfrom=&ddMfrom=&ddDfrom=&ddPfrom=&mmBfrom=&mmMfrom=&mmDfrom=&mmPfrom=&yyBfrom=&yyMfrom=&yyDfrom=&yyPfrom=&ddBto=&ddMto=&ddDto=&ddPto=&mmBto=&mmMto=&mmDto=&mmPto=&yyBto=&yyMto=&yyDto=&yyPto=&locationB=&locationM=&locationD=&locationP=&keywordb=&keywordm=&keywordd=&keywordp=&event=D&district= gets you 42 Death results for Robert Weir from 1900 to 1930 IF that is the years you're looking for. DH