Only 2 results on https://churchrecords.irishgenealogy.ie/churchrecords/ for MAEDER Marriage of HENRY JOHN MAEDER of TIVERTON, DEVONSHIRE and LETITIA WHITSITT / BIRCH of 11 ASHFIELD ROAD on 7 August 1895Parish/Church/Congregation - SANDFORDArea - DUBLIN (COI)https://churchrecords.irishgenealogy.ie/churchrecords/display-pdf.jsp?pdfName=d-273-1-5-121Marriage of ARTHUR O'KEEFE of N/R and MARIA MAEDER of N/R on 13 August 1826Parish/Church/Congregation - ST. PAULArea - DUBLIN (COI)
Transcribed as Henry Macderhttps://civilrecords.irishgenealogy.ie/churchrecords/images/marriage_returns/marriages_1895/10536/5837548.pdfFranceska Maeder born Germanyhttp://www.census.nationalarchives.ie/pages/1911/Londonderry/Limavady_Urban/Sandy_Row/597375/1901http://www.census.nationalarchives.ie/pages/1901/Londonderry/Limavaddy/Sandy_Row/1526316/marriagehttps://civilrecords.irishgenealogy.ie/churchrecords/images/marriage_returns/marriages_1897/10469/5812638.pdf
sorry Heywood only just saw thisI didn't have the marriage you gave and I have been researching the Rosiers as James brother who also was Transported John Rosier is my 3 xGreat Grandfather,
Transcribed as Henry Macderhttps://civilrecords.irishgenealogy.ie/churchrecords/images/marriage_returns/marriages_1895/10536/5837548.pdf