Sr Stanislaus has received numerous awards and tributes for her outstanding work for the marginalized in society and some of those are as follows:
- 1981 ‘Kerry Person of the Year’
- 1982 Honorary Doctorate in Law from Trinity College Dublin
- 1993 University of New York Special Honour for commitment to the disadvantaged in Ireland
- 1996 The Lord Mayor of Dublin’s Award
- 2003 Honorary Doctorate in Law from the National University of Ireland
- 2004 Meteor Awards prestigious ‘Humanitarian of the Year’
- 2005 Honorary Degree of Doctor of the Open University
- 2014 Irish Independent Readers Poll - Irelands Greatest Woman
- 2014 UCD Foundation Day Alumni Award - Social Science
- 2015 Carmichael Centre - Oustanding contribution to Civic Society Award
- 2015 RTE Radio 1's Ray Darcy Show Poll - Irelands National Treasure
- 2015 International Womens Forum - IWF Women Who Make a Difference
- 2017 DIT 'Social Justice Hero' Award
- 2017 Fitzgerald Bible Bruff Award
- 2017 Honorary Doctorate in Philosophy from Dublin City University
- 2017 Irish Tatler Woman of the Year
- 2020 Hän Honour from the Finnish Foreign Embassy
- 2022 Honorary Doctor of Letters from University of Limerick