What is "mckennan"

McKennan is a surname of Irish origin. It may refer to:

• John T. McKennan (1918–2011), New York politician
• Peter McKennan (1918–1991), Scottish footballer
• Thomas McKean Thompson McKennan (1794–1852), US congressman from Pennsylvania, US Secretary of the Interior
• William McKennan (1816–1893), United States federal judge