Witnesses to the marriage were Selina Guy(?) and W Bricknell

Henry died aged 28 years. His cause of death was Apoplexy by a fall on the ice when sliding. He lived for 6 hours after the fall. The certificate was received from W W Robinson, Coroner for the Central District of Oxfordshire. Inquest was held on 18 December 1878.
Death was registered on 28th December 1878. Registrar William Henry Burden.

Please note that we are, as yet, uncertain about the true Christian name of Elizabeth's father. He's listed as Philip in the census returns, but, on the Kidlington PR for marriages when Elizabeth married Charles Pease, he was identified as William Bishop. If I had to choose between the two names I would go for Philip. Firstly, it's the name that appears most often, and secondly, Elizabeth and Henry Knibbs' first son was named Henry Philip.
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In 1841, we can see Elizabeth Bishop's father, Philip, living at Witney, Oxfordshire, England with whom we believe to be his mother mary Bishop and presumable his older sister, Elizabeth:
Mary Bishop 50
Elizabeth Bishop 20
Philip Bishop 15 born North Leigh, Wootton, Oxfordshire
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At the 1851 Census, Elizabeth's father Philip was still living at Witney, Oxfordshire but this time with his wife Elizabeth as well as two younger children, Mary Bishop aged 2 and "our" Elizabeth Bishop, aged just 8 months:
Philip Bishop 25 born Northleigh, Oxfordshire, England
Elizabeth Bishop 25
Mary Bishop 2
Elizabeth Bishop 8 Mo
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In 1861 they were still living at Witney, Oxfordshire. Philip seems to have lost 2 years against his age and Elizabeth's mother had lost 4 years! There was no sign of Elizabeth older sister Mary, but there were then 5 chldren including "our" Elizabeth:
Phillip Bishop 33 born Norhtleigh, Hailey, Oxfordshire, England
Elizabeth Bishop 31
Elizabeth Bishop 10
Emma Bishop 9
George Bishop 7
Mark Bishop 1
Thomas Bishop 5
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"Our" Elizabeth is shown in the 1881 census for England and Wales living at Pri Ho Church Street with her son George, daughter Rosa and lodger William Elland:
Elizabeth KNIBBS Head W Female 30 Northleigh, Oxford, England Laundress
George KNIBBS Son Male 5 Kidlington, Oxford, England Scholar
Rosa KNIBBS Daur Female 1 Kidlington, Oxford, England
William ELLAND Boarder W Male 60 Hampton Poyle, Oxford, England Ag Lab

Elizabeth's husband Henry Knibbs had died in 1878. Interestingly, it can also be seen in the 1881 census that her older son Henry Phillip was living with his grandfather, Phillip Bishop at Stratfield Farm, Kidlington, Oxfordshire.
Phillip BISHOP Head M Male 55 Hailey, Oxford, England Ag Lab
Henry KNIBBS Grandson Male 7 Kidlington, Oxford, England Scholar

Also, her older daughter, Harriet Annie was living with her aunt Harriet Jane Albury (nee Knibbs) and her husband George Albury.
George H. ALBURY Head M Male 30 North Harnboro, Hampshire, England Groom (N D)
Harret J. ALBURY Wife M Female 36 Woodstock, Oxford, England Machinist (Glove)
Harriet A. KNIBBS Niece Female 4 Kidlington, Oxford, England
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Elizabeth remarried in 1884 and can be seen in the 1901 census as Elizabeth Sarah PEASE, still living at Kidlington, Oxfordshire. Her second husband died aged 52 years in 1892. There is however a son Ernest, aged 15 years listed with her.

The Kidlington Parish Register shows Elizabeth died aged 73 in July 1924.