It's hilarious how many articles were about this, even I remember her being pushed as the Indian American. Just click here to see a google search filtered to January 1st 2016, to January 6th 2020.
Here's a list of some good ones:
https://gulfnews.com/world/asia/india/indian-american-a-rising-political-force-1.65376927
https://asamnews.com/2019/05/05/gabbard-and-harris-battle-for-indian-american-support/
His Great Grandfather was an Irish Slave Master who reproduced with a Black Slave so his Grandfather or Grandmother was a mulatto and reproduced with another Black person. So I’m Irish, Scott and German with Cherokee blood. My Great Grandmother was full Cherokee. I do not identify as Cherokee Indian. I’m an Irish mutt☘️. Just as Kamala is a Jamaican Indian Mutt (looked for a spleef and a red dot 🔴 emoji couldn’t find a spleef)