Final answer:
The 'new' immigrants to Texas during the 1830s were Anglo-Americans and Irish.
Step-by-step explanation:
The two groups that were the 'new' immigrants to Texas during the 1830s were Anglo-Americans and Irish.
These Anglo-Americans were settlers from the United States who migrated to Texas, while the Irish immigrants came mainly from Ireland seeking better economic opportunities.
Both groups played significant roles in the development and population growth of Texas during this time.