This has been demonstrated in academic studies of Welsh speakers which attempt to identify them as a social group, such as 'Language Planning and Language Use: Welsh in a Global Age' (2000).
Dangoswyd hyn mewn astudiaethau academaidd o siaradwyr Cymraeg sydd yn ceisio eu hadnabod fel grŵp cymdeithasol megis 'Language Planning and Language Use: Welsh in a Global Age' (2000).