To the best of my knowledge, they are the same as the US Army.
2nd Lieutenant
1st Lieutenant
Captain
Major
Lieutenant Colonel
Colonel
Brigadier General
Major General
Lieutenant General
General
There is only one general (aka 4-star general) who commands the entire US Marince Corps, and he is known as the Corps Commandant.
Captain Samuel Nicholas was the first Continental Marine Officer.
No, A Corporal is an NCO and a Lieutenant is a commissioned Officer.
John Douglas - Royal Marines officer - died in 1814.
Robert Ross - Royal Marines officer - died in 1794.
Alexander McDonald - Royal Marines officer - died in 1821.
Richard Williams - Royal Marines officer - died in 1839.
Richard Williams - Royal Marines officer - was born in 1764.
James Malcolm - Royal Marines officer - was born in 1767.
James Malcolm - Royal Marines officer - died in 1849.
William Dawes - Royal Marines officer - was born in 1762.
William Dawes - Royal Marines officer - died in 1836.
Charles Menzies - Royal Marines officer - was born in 1783.