Interesting entry below;
Bapts/Burials St Mary, Horncastle
WILLIAM Fairy buried 1 Aug 1860, infant, abode Millstone Street
ANN Fairey bapt 10 Dec 1863, buried 10 Aug 1866 age 2
ELIZA Fairey 07 May 1866, buried 18 Feb 1869 age 2
Both bapt to George/Matilda
*
ELIZA ANN Fairey bapt 17 May 1876, abode 9 Waring St
Mother MATILDA Fairey, A married woman living apart from her husband
Appears to be buried 20 May 1876 poor little baby.
All above on FreeREG
Checked GRO Ann and Eliza's birth regs are there mmn Smith
FAIRY, ELIZA BROWN mmn SMITH
GRO Reference: 1876 J Quarter in HORNCASTLE Volume 07A Page 583
Looks like Matilda may have had a child with her employer in the 1881 Census?
1891 George/Matilda are living next door to one another but separate residences.
Trish

I noticed a Tree does not have Matildas death reg.
Looks to me that she married her Boarder from the 1901 Census.
Marriages Mar 1904
Fairey Matilda Horncastle 7a 787
Henry JACKSON on same page
1901 census
Matilda Fairy Head Mar (no age given on Anc.) born Navenby Image is 66
Harry Jackson 67 Boarder Wdr Farm Lab
Death Reg;
Deaths Mar 1906
JACKSON Matilda age 66 Horncastle 7a 370
George died 1903 so she was free to Marry.