Hi Melanie

Some possibles from the FOD site.

This one fits in with your time frame for George Vaughan:

record_id 60841
Entry No 319
Year 1823
Month Nov
Day 23
Parents Surname VAUGHAN
Child Forename George
Father'e Forename George
Mother's Forename Sarah
Place of Residence Tidenham
Occupation Cobler [sic]
Officiating Minister Tho[mas] Thomas
Event Type Baptism
Register Ref P333/1 in 1/3
Page 40
Parish/Chapel Tidenham
Soundex V250

record_id 103654
Entry No 718
Year 1849
Month Aug
Day 1
Surname VAUGHAN
Forename George
Place of Residence The Chase, Tidenham
Age at death 27
Officiating Minister J Armstrong Vicar
Event Burial
Register Ref P333/1 in 1/16
Page 90
Parish/Chapel Tidenham
Soundex V250

This for a Thomas Vaughan:

record_id 111715
Entry No 565
Year 1832
Month Aug
Day 5
Parents Surname VAUGHAN
Child Forename Thomas
Father's Forename Thomas
Mother's Forename Elizabeth
Place of Residence Whitecroft
Occupation Coal Miner
Officiating Minister H[enr]y Poole Minister
Event Baptism
Register Ref P245 in 1/9
Page 71
Parish/Chapel Parkend

Have just found Philip's birth registration on FreeBMD:

Vaughan Philip July-Sep 1839 CLIFTON Vol 11 Page 267

St Philip & St Jacob was a sub district of Clifton.
But I expect you've already got this!