Oort (surname)

Oort is a Dutch toponymic surname^[1] 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".^[2] Variant forms are Oord, Oordt and Ort, as well as Van Oort, Van den Oord etc. ('from the edge [of town]').

• 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

• 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

• 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

• 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

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

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

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