Surname from “Horneman Family History 1605 to 2006” CD, Chapter 4.0.

First and second names, date and place of marriage, occupation, from a 13-pager document compiled by, and received from, Julie Bourke (nee McColl) on 27 April 2017. Julie is the great-great-granddaughter of Emma Frances Devis b. 1814. Brian of nzolivers.com is a x3-great grandson of Emma Frances Devis.
Includes spelling of text where an E is written Y:
DEVIS/WILBRAHAM Marriage (Parish Record Page 197)
Parish Church, in the Parish of Islington, Middlesex.
1838, 5 Sept…Henry Octavius WILBRAHAM…Elizabeth Sophia DEVIS
Both of full age…Chymist…both residing 5 Canonbury Terrace…
Father Henry Octavius Wilbraham, Merchant, Henry Devis, Merchant…
By banns….by me Charles ??? (Curate).. Henry Octavius Wilbraham, Elizabeth Sophia Devis (both signed) in the presence of us (signed) Rob Tippler, Mary Thelis Partridge, Elizabeth Devis and Susan Devis.

Approximate year of birth calculated from 1841 Census ex Julie Bourke’s 13-pager:
Henry Wilbraham 23yrs Dentist
Eliz. 23 yrs
Eliz Devis 50 yrs Ind. [Independent, living on their own means]
Susan 19 yrs.

Looking at the 1851 census ex Julie Bourke’s 13-pager, Henry had died by this time:
Clapham
Elizabeth Wilbraham Head, widow, 40yrs, Schoolmistress, born Middlesex Stoke Newington
Emily Wilbraham, daughter, unmar., 17, Teacher of Music, Born Surrey Kennington.