From sourced trees on Ancestry it is clear that the census entries below do not refer to this profile. Margaret Jane moved to USA in 1890. Leaving the census entries here meantime. Perhaps later research may help to link Margaret below to her true family.
Head of family, caretaker, cannot read, speaks Irish and English age 26 not married at time of 1901 census. No one else listed in household. [4]
In 1911 census she is listed as a domestic servant for the Kerr family who run a grocers shop. Still cannot read. Age shown as 36. Name given as Maggie [5]
Sources
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"Ireland Births and Baptisms, 1620-1881," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:FPTY-MDM : 10 February 2018), Mary Chittick in entry for Margaret Jane Maxwell, 11 Jun 1873; citing Clonelly, Ferm, Ire, index based upon data collected by the Genealogical Society of Utah, Salt Lake City; FHL microfilm 255,876.