Oort (surname)

Oort is a Dutch toponymic surname most commonly referring to the astronomer Jan Oort. Oort was one spelling of a Middle Dutch word for 'edge' or 'end', as in "the edge of town". Variant forms are Oord, Oordt and Ort, as well as Van Oort, Van den Oord etc. ('from the edge [of town]').

Notable people with this surname

Oort

• Abraham H. Oort (born 1934), Dutch-American climatologist, son of Jan Oort
• Frans Oort (born 1935), Dutch mathematician
  • André–Oort conjecture, a number theory conjecture by Yves André and Frans Oort
• Henricus Oort (1836–1927), Dutch theologist and philologist
• Jan Oort (1900–1992), Dutch astronomer. Named after him:
  • Oort cloud, a cloud of solid objects surrounding the solar system
  • Oort constants, characterizing the rotational properties of the Milky Way
  • Oort (crater), a crater on Pluto
  • Oort limit, theoretical edge of the Oort cloud
  • 1691 Oort (1956 RB), a main-belt asteroid

Van Oort

• Adam van Oort (1561/62–1641), Flemish painter
• Bart van Oort (born 1959), Dutch classical pianist
• Eduard Daniel van Oort (1876–1933), Dutch ornithologist
• Jan van Oort (1921–2006), Dutch writer, working under the pseudonym of Jean Dulieu
• Johannes (Hans) van Oort (born 1949), Dutch patristic and gnostic scholar
• Hendrik van Oort (1775–1847), Dutch painter
• Pieter van Oort (1804–1834), Dutch painter and illustrator, son of Hendrik
  • Named after him: Vanoort's crow, an Indonesian butterfly

Oord

• Thomas Jay Oord (born 1965), American theologian and philosopher
• Pieter van Oord (born 1961), CEO of the Dutch dredging company "Van Oord"
• Willem van der Oord (1919–1985), Dutch hydraulic engineer and diplomat

Oordt

• Adri Bleuland van Oordt (1862–1944), Dutch artist and draftswoman
• Gabriël van Oordt (1757–1836), Dutch theologian
• Darwin Oordt (born 1944), American newspaper publisher and horse breeder
• Johan Frederik van Oordt (1794–1852), Dutch theologian
• Johanna Bleuland van Oordt (1865–1948), Dutch painter
• María Pia van Oordt (born 2000), Peruvian sailor
• Schuylar Oordt (born 1987), American football tight end

Ort

• Bastiaan Ort (1854–1927), Dutch lawyer, judge and politician, Minister of Justice 1914–18

Ortt

• Felix Ortt (1866–1959), Dutch civil engineer, activist, writer, and translator

See also

• Ort (disambiguation)
• Noort, Dutch surname (including "Van Noort")