Hi Matt D
This page of the National Archives of Britain and Wales may explain the name discrepancy.
https://discovery.nationalarchives.gov.uk/details/r/ff4187dc-9f7f-4bac-b352-b94a37e536d7"Functions of the URC History Society include archival responsibilities particularly for the Presbyterian Church of England, which in 1956 asked its History Society to care for pre-1900 records."
In particular there is this about records
"Camden Road Presbyterian Church, Holloway
1868-1942: roll books, register of baptisms, minute books, annual reports
London Metropolitan Archives: City of London
LMA/4335
NRA 7562 GLRO misc"
And this about the body producing those records
"Date: 1868-1942
Places: Holloway, Middlesex
Functions, occupations and activities:
Christian denominations > Methodists
Name authority reference:
GB/NNAF/C12629 (Former ISAAR ref: GB/NNAF/O99629 ) "
If you check in discovery on the National Archives (and you should)
you often find where to find records other than on the commercial sites.
It may be that the other records of this church held by
London Metropolitan Archives explain why your folk were baptised together.
A couple of thoughts come to mind.
They were perhaps recent converts to faith and so were baptised as a family.
Maybe the father was not baptised as a child and decided to be baptised
or perhaps rebaptised with all his children when his family was complete.
Many non-conformist faiths did not believe in baptism --
maybe they moved from one of those churches to the Presbyterian church.
Maybe there had been no previous minister empowered to baptise.
I had an ancestor who was a psalter in the free church of Scotland
-- they did not sing hymns but rather only the psalms.
Other churches only celebrated communion once a year.
Some churches may have rebaptised new members
rather than confirmed them in the way the Church of England did.
I do not think you need to be Scottish or have Scottish heritage
in order to be Presbyterian just as you do not need to be English to be an Anglican.
Also a nice postcard view on-line
http://www.churchpostcardviews.co.uk/LondonNW/pages/Camden%20Road%20Presbyterian%20Church%20LNW012.htmRegards
pH
phenolphthalein