Nimitz married Catherine Vance Freeman (March 22, 1892 – February 1, 1979) on April 9, 1913, in Wollaston, Massachusetts.
Nimitz and his wife had four children:
Catherine Vance "Kate" (22 February 1914, Brooklyn, NY – 14 January 2015)
Chester William "Chet", Jr. (1915–2002)
Anna Elizabeth "Nancy" (1919–2003)
Mary Manson (1931–2006)
Catherine Vance graduated from the University of California, Berkeley, in 1934, became a music librarian with the Washington D.C. Public Library, and married U.S. Navy Commander James Thomas Lay (1909–2001), from St. Clair, Missouri, in Chester and Catherine's suite at the Fairfax Hotel in Washington, D.C., on March 9, 1945.
She had met Lay in the summer of 1934 while visiting her parents in Southeast Asia.

Chester Nimitz, Jr., graduated from the U.S. Naval Academy in 1936 and served as a submariner in the Navy until his retirement in 1957, reaching the (post retirement) rank of rear admiral; he served as chairman of PerkinElmer from 1969–1980.

Anna Elizabeth ("Nancy") Nimitz was an expert on the Soviet economy at the RAND Corporation from 1952 until her retirement in the 1980s.

Sister Mary Aquinas (Nimitz) became a sister in the Order of Preachers (Dominicans), working at the Dominican University of California.
She taught biology for 16 years, and was academic dean for 11 years, acting president for one year, and vice president for institutional research for 13 years before becoming the university's emergency preparedness coordinator.
She held this job until her death, due to cancer, on February 27, 2006.
Nimitz married Catherine Vance Freeman (March 22, 1892 – February 1, 1979) on April 9, 1913, in Wollaston, Massachusetts. Nimitz and his wife had four children:
Catherine Vance "Kate" (22 February 1914, Brooklyn, NY – 14 January 2015)
Chester William "Chet", Jr. (1915–2002)
Anna Elizabeth "Nancy" (1919–2003)
Mary Manson (1931–2006)
Catherine Vance graduated from the University of California, Berkeley, in 1934, became a music librarian with the Washington D.C. Public Library, and married U.S. Navy Commander James Thomas Lay (1909–2001), from St. Clair, Missouri, in Chester and Catherine's suite at the Fairfax Hotel in Washington, D.C., on March 9, 1945. She had met Lay in the summer of 1934 while visiting her parents in Southeast Asia.
Chester Nimitz, Jr., graduated from the U.S. Naval Academy in 1936 and served as a submariner in the Navy until his retirement in 1957, reaching the (post retirement) rank of rear admiral; he served as chairman of PerkinElmer from 1969–1980.
Anna Elizabeth ("Nancy") Nimitz was an expert on the Soviet economy at the RAND Corporation from 1952 until her retirement in the 1980s.
Sister Mary Aquinas (Nimitz) became a sister in the Order of Preachers (Dominicans), working at the Dominican University of California. She taught biology for 16 years, and was academic dean for 11 years, acting president for one year, and vice president for institutional research for 13 years before becoming the university's emergency preparedness coordinator. She held this job until her death, due to cancer, on February 27, 2006.
Chester W. Nimitz