I found a good bit of info on your family in civil records and the two censuses some of which you may have already.
Let me know what else you need.
1908 marriage for Ellen Kilmartin to John Walsh fourth record
1912 marriage record for Edward and Kate Walsh fourth record
second record 1912 birth Thomas Kilmartin
first record Ellen Kilmartin 1917
ninth record Margaret Kilmartin 1920
death of Edward 1951 sixth record