Bates was born in Commercial St., Weymouth, Massachusetts on October 10, 1788. He was the son of Col. Joshua Bates, who fought in the American Revolutionary War, and Tirzah Bates. After his father's death in 1804, his mother remarried to Ebenezer Hunt in 1808. His sister, Nancy Bates, was married to Capt. Warren Weston, the mother of abolitionistMaria Weston Chapman. His paternal grandparents were Abraham Bates and Sarah Bates.
Career
Early in his career, he worked for William Gray, owner of Gray's Wharf in Charlestown. A merchant and a banker, in 1828 Bates became associated with the great house of Baring Brothers & Co. of London, of which he eventually became the senior partner. He was arbitrator of the commission convened in 1853 to settle the claims of American citizens arising from the War of 1812. In 1852, he founded the Boston Public Library by giving $50,000 for that purpose, with the provision that the interest of the money should be expended for books of permanent value, and that the city should make adequate provision for at least 100 readers. He afterward gave 30,000 volumes to the institution, the main hall of which is named after him. Bates was prominent among expatriate Americans in London in the years before and during the Civil War, including diplomats Charles Francis Adams and Henry Adams, and was active in support of the Union cause. As a patron of the arts he commissioned canvases from Thomas Cole, including a nostalgic view of Boston, for his house in Portland Place. The house he built for his daughter and son-in-law, New Place, was near Windsor. As the representative of her uncle Leopold I of Belgium, also a close relative of Albert of Saxe Coburg Gotha, Sylvain and his charming American wife were popular with Victoria and her court.
Personal life
Bates married Lucretia Augusta Sturgis ; she was the first cousin of Captain William F. Sturgis and of Nathaniel Russell Sturgis, both of Boston. Together, they were the parents of:
Through his daughter Elizabeth, he was the grandfather of seven, including Eleanor Van de Weyer, who married Reginald Baliol Brett, 2nd Viscount Esher ; Alice Emma Sturgis van de Weyer, married the Hon. Charles Brand.
