Sir James Weir Hogg, 1st Baronet PC (7 September 1790 – 27 May 1876), was an Irish-born businessman, lawyer and politician and Chairman of the East India Company.

[1] Hogg was educated at Dr Bruce's Academy, Belfast, and later at Trinity College Dublin, where he was elected a Scholar.

[4] He was created a Baronet, of Upper Grosvenor Street in the County of London, in 1846, and was offered the posts of Judge Advocate General and the Governorship of Bombay, both of which he refused.

In 1846, he took a 65 year lease on 16/17 Grosvenor Square and had major changes made, including moving the staircase and adding a stone portico.

[1] Through his eldest daughter Isabella, he was a grandfather of Edward Marjoribanks, 2nd Baron Tweedmouth of Edington, who married Lady Fanny Octavia Louise Spencer-Churchill (a daughter of the 7th Duke of Marlborough and an aunt of Winston Churchill), and Dame Ishbel Marjoribanks, who married John Hamilton-Gordon, 1st Marquess of Aberdeen and Temair.