Sentence 1: Point Marsden was discovered by Matthew Flinders on 21 March 1802 and named after William Marsden , Second Secretary to the Admiralty .
Sentence 2: Point Marsden was discovered by Matthew Flinders on 21 March 1802 and named after William Marsden , Secretary of the Admiralty .
Question: Do Sentence 1 and Sentence 2 express the same meaning? Yes or No?