Will lists William as a shopkeeper.
Son is William Quirk b 1852 who married Ellen Curtin b 1858.
Marriage of Norah W (Hanora) Quirke to Denis Flanagan (16th February 1915).https://civilrecords.irishgenealogy.ie/churchrecords/images/marriage_returns/marriages_1915/09806/5560644.pdf
......and Wife Margaret 1820-1895....