Short Answer 
Barrett had a secret courtship with Browning due to her father’s disapproval, who saw Browning as a fortune hunter. Despite the challenges, they planned their marriage and eloped on September 12, 1846, at St. Marylebone Parish Church.
Step 1: Secret Courtship
Due to Barrett’s father’s strong disapproval of Browning, their relationship was kept hidden from the family. This disapproval stemmed from her father’s belief that Browning was only interested in Barrett’s wealth, describing him as an unreliable fortune hunter.
Step 2: Planning the Marriage
Despite the obstacles, Barrett and Browning planned to marry in secret. They made arrangements to avoid her father’s scrutiny, demonstrating their commitment and strong feelings for one another despite the risks involved.
Step 3: The Elopement
On September 12, 1846, Barrett took a bold step by sneaking out of her home to meet Browning. They conducted their marriage ceremony at St. Marylebone Parish Church, marking a significant moment in their lives as they united against familial opposition.