Hi Don, I haven't had any luck directly with your question but I have found another record of Richard for you. It is a Civil Record, dated 1833, and note the name of the townland is given differently. There is always the possibility that it is a different family but Cornelius Leary of Boulteenshere Catholic records is also listed there
http://titheapplotmentbooks.nationalarchives.ie/reels/tab//004625669/004625669_00228.pdf
It may well be that Cornelius, Richard and Jeremiah are related so I would suggest that you follow Cornelius' family to see if they bring you any closer to the present day.
Cornelius is still alive c1853 so you may be able to find his childrens' marriages in the Civil Records.
I hope this helps a little though it does not answer your qustion directly. Many Irish people who died before 1900 have no headstones, it is certainly true of my family.
Good luck
Martine
Griffith's Valuation Record Information
TenantFamily Name 1LEARYForename 1CORNELIUS
LandlordFamily Name 2HERBERTForename 2HENRY A.LocationCountyKERRYBaronyMAGUNIHYUnionKILLARNEY
ParishKILLAHA
TownlandKNOCKANIMRISH
Place NameKNOCKANIMRISHPlace TypeTOWNLANDPublication DetailsPosition on Page1
Printing Date1853