Instinct says he is probably from the Brayne/Brain cluster who lived in the Edge Hills / Collafield area, although I cannot see him in the records I have...

Year: 1830
Month: Apr
Day: 28
Surname: BRAIN
Forenames: Christopher
Residence: L[ittle] Dean
Age_at_death: 28
Officiating_Minister: J. Parsons Curate
Event: Burial
Cause_of_death: [not sta
Memoranda:
Notes:
Register_Reference: P 110 IN 1/11
Page_No: 46
Parish_Chapel: Littledean

From GFHS Burial Index:
Date: 28 APR 1830
First Name: CHRISTOPHER
Surname: BRAIN
Age: 28
Burial Register: LITTLEDEAN 1813-1834
Place of Abode: LITTLE DEAN

It would appear that his widow married in 1831:
Entry Number: 161
Year: 1831
Month: May
Day: 12
Groom Surname: SMITH
Groom Forenames: Timothy
Groom Age at Marriage:
Groom Condition: Bachelor
Groom Rank or Profession:
Groom Residence: Hund[re]d of St. Briavils
Groom Father's Surname:
Groom Father's Forenames:
Groom Father's Rank or Profession:
Bride Surname: BRAIN
Brides Forenames: Elizabeth
Bride Age at Marriage:
Bride Condition: Widow
Bride Rank or Profession:
Bride Residence: Hund[re]d of St. Braivils
Bride Father's surname:
Bride Father's Forenames:
Bride Father's Rank or Profession:
Licence or Banns: Banns
Dates of Banns:
Siganture or Mark: Both mark
Witness 1: Philip Glastonbury
Witness 2: Mark of Anne Dunsmore
Other witnesses:
Officiating Minister: Edmund Probyn Rector
Event Type: M
Memoranda: with consent of Friends
Transcriber's Notes:
Register Reference: P1 IN 1/9
Page Number: 54
Parish/Chapel Name: Abenhall

Mike