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I was not able to find the marriage records for the parents.
Catherine had at least eight siblings: Margaret 1866 James 1868 (died young?) Alice 1870 Philip 1873 Patrick 1875 Daniel 1880 James 1883 Hugh 1885
The Connor family lived in Crohyboyle townland in Templecrone parish.
Here is the family in the 1901 census http://www.census.nationalarchives.ie/pages/1901/Donegal/Dungloe/Croghyboyle/1177447/
Daniel the father had died a few weeks before the 1901 census. Cause of death was drowning. See fourth record https://civilrecords.irishgenealogy.ie/churchrecords/images/deaths_returns/deaths_1901/05728/4616315.pdf
Catherine married James Boyle February 23 1903 third record https://civilrecords.irishgenealogy.ie/churchrecords/images/marriage_returns/marriages_1903/10224/5721377.pdf
Bridget and family of son James in 1911 http://www.census.nationalarchives.ie/pages/1911/Donegal/Dunglow/Crohyboyle/487963/
1925 death of Bridget sixth record https://civilrecords.irishgenealogy.ie/churchrecords/images/deaths_returns/deaths_1925/05020/4371822.pdf