1785 – Born on March 11th in New Jersey.
1803 – McLean moved to Cincinnati, where he studied law under Arthur St. Clair’s son. He supported himself by working as a copyist in the clerk’s office of Hamilton County.
1807 – The State of Ohio admitted him to the bar.
1812 – McLean embarked on a political career. Voters in Cincinnati elected McLean to represent them in the United States House of Representatives.
1814 – He was reelected to his seat unanimously. Before the end of his second term, the Ohio legislature appointed McLean as a justice of the Ohio Supreme Court.
1816-1822 – McLean held this office, when President James Monroe appointed him as a commissioner of the Federal Land Office.
1829 – President Andrew Jackson appointed McLean to the United States Supreme Court on March 7th.
1836 – McLean’s prominence as a justice on the Supreme Court led numerous people to consider him for the presidency. The Whig Party considered him as a possible candidate.
1848 – Both the Liberty Party and the Free Soil Party debated running him as their candidate.
– McLean, however, never became a candidate for president.
1861 – He remained a justice on the Supreme Court until his death on April 4th.