I've put together a list of names great for a black horse, from mythology to race horse names to words from different languages meaning something black.
100+ Native American Indian Horse Names - Cornerstone Equine Academy
100 Beautiful Black Horse Names for Fillies & Stallions
Top 100+ Funny Horse Names (Picked By An Equestrian)
100+ unique black horse names with meanings - My life is better with horses
The 200+ Best and Most Creative Black Horse Names - A-Z Animals
Black Horse Names: Ideas for Dark Horses
500+ Best Names For Stuffed Animals (2024 Updated)
Spirit Horse Names For Your Special Horse - Smarter Horse
Top 300 Black Horse Names
200 + Black Horse Names (That You Haven't Heard)
100 Breathtaking Fairy, Mermaid, And Magical Baby Names
100+ black horse names that are beautiful and unique
What are some great names for a black horse? - Quora