Hi Edwin . . .
Welcome to Ireland Reaching Out . . . and Tipperary County . . . .
Not sure how we can further your search . . . you appear to have a well researched Tree . . . from searching Roots / Ancestry . . .
So these are the search engines . . we would favour using . . when searching for clients . . .
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First I search . . . for other people . . researching this client . . . and found . . .
https://www.ancestry.com/family-tree/person/tree/51484169/person/192068069219/facts
Within this tree . . . you will find lots of supporting info.
One immediate difference . . Location . . for Eleanor . . . Cath.Wexler . . says the Birthplace is " Emly " . . you indicate " Thurles " ???????????
In those years . . before popular transport . . . there is a rather big gap . . . check Google maps .
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You find on Ancestry . . . the Birth of James (1826) . . EMLY . . . . . to Patr.Quinn - El.Crowe
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If " Emly " is the homeplace of both . . . then . . I searched " Griffiths Valuation " a TAX roll from 1847 . . . yhe name " Quinn "
http://www.askaboutireland.ie/griffith-valuation/index.xml?action=doNameSearch&Submit.x=34&Submit.y=13&familyname=Quinn&firstname=First+Name&baronyname=&countyname=TIPPERARY%2C+SOUTH+RIDING&unionname=&parishname=EMLY
Here you have lots of " Quinn;s " . . . but how to seperate them . . . ???
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I had a look at the National Census of 1901 . . . . for the families of Quinn . . in Emly . . .
again . . . lots of Quinns . . . no way of seperating them . . .
http://www.census.nationalarchives.ie/search/results.jsp?census_year=1901&surname=Quinn&exact=&firstname=&county19011911=Tipperary&county1821=&county1831=&county1841=&county1851=&townland=&ded=Emly&age=&sex=&relationToHead=&religion=&education=&occupation=&marriageStatus=&marriageYears=&childrenBorn=&childrenLiving=&birthplace=&language=&deafdumb=&search=Search&sort=&pageSize=&houseNumber=&familiesNumber=&malesNumber=&femalesNumber=&maleServNumber=&femaleServNumber=&estChurchNumber=&romanCatNumber=&presbNumberDiv=&protNumber=&parish=&barony=&yearsMarried=&causeOfDeath=&yearOfDeath=&familyId=&ageInMonths=&pager.offset=0
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There is a professional service available to tracing in Tipperary . . . at. . .
https://www.tipperarycoco.ie/heritage/genealogy-centre
Not cheap !!
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Nothing here of much help to you . . . but . . that far back . . . proves diffacult . . .
Best I could do . .
Best of good wishes . . . to your future trip to Ireland . . . and continued search,
Cheers . . Eamonn