Family search has her being baptised on 11 Sep 1881 in St Pauls, Port Adelaide, South Australia 
name:   Beatrice Louisa Bristow
gender:   Female
baptism/christening date:   11 Sep 1881
baptism/christening place:   St. Paul's, Port Adelaide, South Australia, Australia
birth date:   
birthplace:   
death date:   
name note:   
race:   
father's name:   George Bristow
father's birthplace:   
father's age:   
mother's name:   Elizabeth
mother's birthplace:   
mother's age:   
indexing project (batch) number:   I02318-6
system origin:   Australia-EASy
source film number:   951899
regards,
   Ros