Brady = Blheiti
Rhoda = Lota
This can't be known and most likely she didn't write English or her own native language. Many Native American tribes did not have a written language and she wouldn't have known how to write English.
Use sign language!
Marathi is an Indo-Aryan language. In order to write any type of essay, you would need to know the language, or write it in your native language and have someone translate it to Marathi for you.
Dante Alighieri
For what tribe? Each tribe has its' own language.
There are more than 700 Native American tribes each with their own language.
Since there are no native Antarticans, there is no Antartican language.
How do you write happy birthday in Apachie native Indian?
There are about 450 Languages spoken in India and about 700 different Native American languages. But there is no such language as "Indian".
No. She wouldn't have known how to write English and very few Native American tribes had a written language. So, to answer your question, no.
You can write a book of shadows in any language you prefer. If you work in a group, then decide what language to write your coven book in together. You may wish to use code. The majority of practioners however, use their own native language for easy reference.