<Tr> <Td> 9 </Td> <Td> 7004255450000000000 ♠ 69 years, 343 days </Td> <Td> Rampling, Charlotte Charlotte Rampling </Td> <Td> 45 Years </Td> <Td> 2015 </Td> <Td> 000000001946 - 02 - 05 - 0000 February 5, 1946 </Td> <Td> 000000002016 - 01 - 14 - 0000 January 14, 2016 </Td> <Td> </Td> </Tr> <Tr> <Td> 10 </Td> <Td> 7004253180000000000 ♠ 69 years, 116 days </Td> <Td> Montenegro, Fernanda Fernanda Montenegro </Td> <Td> Central Station </Td> <Td> 1998 </Td> <Td> 000000001929 - 10 - 16 - 0000 October 16, 1929 </Td> <Td> 000000001999 - 02 - 09 - 0000 February 9, 1999 </Td> <Td> </Td> </Tr> <Table> <Tr> <Th> Rank </Th> <Th> Age </Th> <Th> Name </Th> <Th> Film </Th> <Th> Year in Film </Th> <Th> Date of Birth </Th> <Th> Date of Award </Th> <Th> Notes </Th> </Tr> <Tr> <Td> </Td> <Td> 7003788800000000000 ♠ 21 years, 218 days </Td> <Td> Matlin, Marlee Marlee Matlin </Td> <Td> Children of a Lesser God </Td> <Td> 1986 </Td> <Td> 000000001965 - 08 - 24 - 0000 August 24, 1965 </Td> <Td> 000000001987 - 03 - 30 - 0000 March 30, 1987 </Td> <Td> Has held record for 31 years (1987--2018) </Td> </Tr> <Tr> <Td> </Td> <Td> 7003822900000000000 ♠ 22 years, 193 days </Td> <Td> Lawrence, Jennifer Jennifer Lawrence </Td> <Td> Silver Linings Playbook </Td> <Td> 2012 </Td> <Td> 000000001990 - 08 - 15 - 0000 August 15, 1990 </Td> <Td> 000000002013 - 02 - 24 - 0000 February 24, 2013 </Td> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td> 7003825800000000000 ♠ 22 years, 222 days </Td> <Td> Gaynor, Janet Janet Gaynor </Td> <Td> 7th Heaven, Street Angel, and Sunrise </Td> <Td> 1927 / 28 </Td> <Td> 000000001906 - 10 - 06 - 0000 October 6, 1906 </Td> <Td> 000000001929 - 05 - 16 - 0000 May 16, 1929 </Td> <Td> Held record for 58 years (1929--1987) </Td> </Tr> <Tr> <Td> </Td> <Td> 7003889300000000000 ♠ 24 years, 127 days </Td> <Td> Fontaine, Joan Joan Fontaine </Td> <Td> Suspicion </Td> <Td> 1941 </Td> <Td> 000000001917 - 10 - 22 - 0000 October 22, 1917 </Td> <Td> 000000001942 - 02 - 26 - 0000 February 26, 1942 </Td> <Td> </Td> </Tr> <Tr> <Td> 5 </Td> <Td> 7003909100000000000 ♠ 24 years, 325 days </Td> <Td> Hepburn, Audrey Audrey Hepburn </Td> <Td> Roman Holiday </Td> <Td> 1953 </Td> <Td> 000000001929 - 05 - 04 - 0000 May 4, 1929 </Td> <Td> 000000001954 - 03 - 25 - 0000 March 25, 1954 </Td> <Td> </Td> </Tr> <Tr> <Td> 6 </Td> <Td> 7003913200000000000 ♠ 25 years, 0 days </Td> <Td> Jones, Jennifer Jennifer Jones </Td> <Td> The Song of Bernadette </Td> <Td> 1943 </Td> <Td> 000000001919 - 03 - 02 - 0000 March 2, 1919 </Td> <Td> 000000001944 - 03 - 02 - 0000 March 2, 1944 </Td> <Td> </Td> </Tr> <Tr> <Td> 7 </Td> <Td> 7003926900000000000 ♠ 25 years, 138 days </Td> <Td> Kelly, Grace Grace Kelly </Td> <Td> The Country Girl </Td> <Td> 1954 </Td> <Td> 000000001929 - 11 - 12 - 0000 November 12, 1929 </Td> <Td> 000000001955 - 03 - 30 - 0000 March 30, 1955 </Td> <Td> </Td> </Tr> <Tr> <Td> 8 </Td> <Td> 7003937100000000000 ♠ 25 years, 240 days </Td> <Td> Swank, Hilary Hilary Swank </Td> <Td> Boys Don't Cry </Td> <Td> 1999 </Td> <Td> 000000001974 - 07 - 30 - 0000 July 30, 1974 </Td> <Td> 000000002000 - 03 - 26 - 0000 March 26, 2000 </Td> <Td> </Td> </Tr> <Tr> <Td> 9 </Td> <Td> 7003950000000000000 ♠ 26 years, 4 days </Td> <Td> Christie, Julie Julie Christie </Td> <Td> Darling </Td> <Td> 1965 </Td> <Td> 000000001940 - 04 - 14 - 0000 April 14, 1940 </Td> <Td> 000000001966 - 04 - 18 - 0000 April 18, 1966 </Td> <Td> </Td> </Tr> <Tr> <Td> 10 </Td> <Td> 7003961200000000000 ♠ 26 years, 116 days </Td> <Td> Leigh, Vivien Vivien Leigh </Td> <Td> Gone with the Wind </Td> <Td> 1939 </Td> <Td> 000000001913 - 11 - 05 - 0000 November 5, 1913 </Td> <Td> 000000001940 - 02 - 29 - 0000 February 29, 1940 </Td> <Td> </Td> </Tr> </Table> <Tr> <Th> Rank </Th> <Th> Age </Th> <Th> Name </Th> <Th> Film </Th> <Th> Year in Film </Th> <Th> Date of Birth </Th> <Th> Date of Award </Th> <Th> Notes </Th> </Tr>

Who was the youngest winner of the best actress in a leading role academy award