In the 1901 census she was at 24, Charles Street, Gateshead, Durham with 2 children:

First name(s)  Last name  Relationship  Marital status  Sex  Age  Birth year  Occupation  Birth place
George  Aynsley  Head  Married  Male    27  1874  Gardener  Monkseaton, Northumberland
Mary    Aynsley  Wife  Married  Female  24  1877  -         Gateshead, Durham
George  Aynsley  Son   -        Male     2  1899  -         Gateshead, Durham
Luke    Aynsley  Son   -        Male     0  1901  -         Gateshead, Durham

Ref:
Archive reference  RG13
Piece number       4755
Folio              82
Page               47
Combined:          RG13, piece 4755, folio 82, p. 47
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In 1911 they were living at 62 Rose Street, Hebburn on Tyne; Mary was reported to have been married for 13 years and to have had 7 children of whom 3 had died and four were then living:

First name(s)  Last name  Relationship  Marital status  Sex  Age  Birth year  Occupation  Birth place
George          Aynsley  Head      Married  Male   37  1874  Gardiner U D C Park  Monkseaton Northumberland
Mary            Aymsley  Wife      Married  Female 35  1876  -  Gateshead Durham
George William  Aymsley  Son       -        Male   12  1899  -  Gateshead Durham
Evelyn Maud     Aymsley  Daughter  -        Female  9  1902  -  Gateshead Durham
Thomas Stoker   Aymsley  Son       -        Male    4  1907  -  Hebburn Durham
Henry           Aymsley  Son       -        Male    2  1909  -  Hebburn Durham
George          Stoker   Boarder Brother In Law  Single  Male  20  1891  Cartman  Gateshead Durham

Ref:
Census reference  RG14  PN30384 RG78PN1746 RD556 SD2 ED36 SN117
RG78 code number  1746
Piece number      30384

The above identifies the deceased children as Luke Trewitt Aynslie and Edith Aynsley but the third death is not known and was not a registered birth (that I could find).
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Their marriage index:

First name(s)     MARY
Last name         STOKOE
Marriage quarter  3
Marriage year     1897
MarriageFinder    MARY STOKOE married one of these people
                  Richard John Pattison, George Welsh Aynsley
District          Gateshead
County            Durham
Country           England
Volume            10A
Page number       1284
Record set        England & Wales Marriages 1837-2005
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And the transcription of ther church record by FamilySearch:

Name:                 George Welsh Aynsley
Birth Date:           1873
Age:                   24
Spouse's Name:        Mary Stokoe
Spouse's Birth Date:  1876
Spouse's Age:         21
Event Date:           08 Sep 1897
Event Place:          Venerable Bede, Gateshead, Durham
Father's Name:        William Aynsley
Spouse's Father's Name:   Thomas Stokoe
Marital Status:           Single
Spouse's Marital Status:  Single
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