A couple of other McMurdy births from Family Search - useful to have these for naming pattern clues, if any!
Name Jane Mcmurdy
Gender Female
Birth Date 12 Oct 1872
Birthplace , , IRELAND
Father's Name Andrew Mcmurdy
Mother's Name Dorothy Stuart
Name Mary Isabella McMurdy
Event Type Birth
Event Date 06 Jun 1866
Event Place Magherafelt, Magherafelt, Ireland
Event Place Drumance Ballyscullion, Magherafelt, Ireland
Gender Female
Father's Name Andrew McMurdy
Mother's Name Dorothea Stewart McMurdy
Name William John McMurdy
Event Type Birth
Event Date 13 Jun 1871
Event Place Magherafelt, Magherafelt, Ireland
Event Place Magherafelt
Gender Male
Father's Name Andrew McMurdy
Mother's Name Dorothea Stewart McMurdy
Name David James McMurdy
Event Type Birth
Event Date 11 Jan 1868
Event Place Magherafelt, Magherafelt, Ireland
Event Place Drumanel Ballyscullion, Magherafelt, Ireland
Gender Male
Father's Name Andrew McMurdy
Mother's Name Dorthia Stewart McMurdy
Confirmation of fathers' names
Name Andrew McMurdy
Event Date 17 Aug 1865
Event Place Magherafelt, Magherafelt, Ireland
Event Place Magherafelt, Magherafelt, Ireland
Father's Name David McMurdy
Spouse's Name Doretha Stewart
Spouse's Father's Name John Stewart