Going back with family this seems to fit with parents of Eliza, certs would confirm.
1861- Bythorn, Thrapston, Northamptonshire (image is Pryke)
George Boyke Head Unmarried, 38, Bricklayer Employing 1 Labourer, Barton Mills, Suffolk
Emma Swan, Servant, Unmarried, 17 Lowick, Northamptonshire
Marriages Jun Q 1861
Pryke George Thrapston 3b 275
SWAN Emma Thrapston 3b 275
Bapt of children on familysearch. GRO gives Mmn as SWANN for Eliza, not checked others.
PRYKE, ELIZA Mmn SWANN
GRO Reference: 1867 S Quarter in THRAPSTON Volume 03B Page 176
1871 for family
https://familysearch.org/ark:/61903/1:1:VFFS-K3D1881
https://familysearch.org/ark:/61903/1:1:Q27C-8PBBLikely Death: PRYKE, GEORGE Age 59
GRO Reference: 1881 S Quarter in ST NEOTS Volume 03B Page 155
Cas