Tweedie was born in River John, Nova Scotia, on March 4, 1871, to James Tweedie a Methodist Minister, and his wife Rachael Susannah. He graduated from Mount Allison University with a Bachelor of Arts in 1902 and subsequently entered Harvard University, where he earned a law degree in 1905.
Tweedie was born in River John, Nova Scotia, on March 4, 1871, to James Tweedie a Methodist Minister, and his wife Rachael Susannah. He graduated from Mount Allison University with a Bachelor of Arts in 1902 and subsequently entered Harvard University, where he earned a law degree in 1905.