Those residing in Oregon, most of whom are affiliated with the Confederated Tribes of Siletz southwest of Portland, where their ancestors were removed in the 1850s (Beckham 1971), refer to themselves as Chetco, Tututni, or Deeni.
Loren Bommelyn, a fluent speaker and linguist, has published several pedagogical books and teaches young Tolowa students in Crescent City, California.
Three alphabets have been used since the formation of the Tolowa Dee-ni’ Language program, sponsored by the Del Norte Indian Welfare Association in 1969.
Alfred "Bud" Lane has gathered 14,000 words of Siletz Dee-ni, in an online audio/picture dictionary for the use of the community.
The 1997 Tolowa Dee-niʼ alphabet (below) replaces the special characters ą, į, ɨ, ł, ų, and ʉ with a~, i~, lh, u~ and v, respectively.