Voorouders Janssen & de Groot » Catharina Koolhaas (1879-1960)

Personal data Catharina Koolhaas 


Household of Catharina Koolhaas

She is married to Izaak de Ridder.

They got married on May 31, 1901 at Haarlemmermeer, Nederland, she was 22 years old.


Child(ren):

  5. Jan de Ridder  1912-

Do you have supplementary information, corrections or questions with regards to Catharina Koolhaas?
The author of this publication would love to hear from you!


Timeline Catharina Koolhaas

  This functionality is only available in Javascript supporting browsers.
Click on the names for more info. Symbols used: grootouders grandparents   ouders parents   broers-zussen brothers/sisters   kinderen children

Ancestors (and descendant) of Catharina Koolhaas


With Quick Search you can search by name, first name followed by a last name. You type in a few letters (at least 3) and a list of personal names within this publication will immediately appear. The more characters you enter the more specific the results. Click on a person's name to go to that person's page.

  • You can enter text in lowercase or uppercase.
  • If you are not sure about the first name or exact spelling, you can use an asterisk (*). Example: "*ornelis de b*r" finds both "cornelis de boer" and "kornelis de buur".
  • It is not possible to enter charachters outside the standard alphabet (so no diacritic characters like ö and é).


Visualize another relationship

The data shown has no sources.

Historical events

Birthday April 7, 1879

  • The temperature on April 7, 1879 was about 14.3 °C. The air pressure was 5 kgf/m2 and came mainly from the south-southeast. The airpressure was 74 cm mercury. The atmospheric humidity was 70%. Source: KNMI
  • Koning Willem III (Huis van Oranje-Nassau) was from 1849 till 1890 sovereign of the Netherlands (also known as Koninkrijk der Nederlanden)
  • In The Netherlands , there was from November 3, 1877 to August 20, 1879 the cabinet Kappeijne van de Coppello, with Mr. J. Kappeijne van de Coppello (liberaal) as prime minister.
  • In The Netherlands , there was from August 20, 1879 to April 23, 1883 the cabinet Van Lijnden van Sandenburg, with Mr. C.Th. baron Van Lijnden van Sandenburg (conservatief-AR) as prime minister.
  • In the year 1879: Source: Wikipedia
    • The Netherlands had about 4.0 million citizens.
    • January 22 » The Battle of Isandlwana during the Anglo-Zulu War results in a British defeat.
    • February 15 » Women's rights: US President Rutherford B. Hayes signs a bill allowing female attorneys to argue cases before the Supreme Court of the United States.
    • April 5 » Chile declares war on Bolivia and Peru, starting the War of the Pacific.
    • May 31 » Gilmore's Garden in New York City is renamed Madison Square Garden by William Henry Vanderbilt and is opened to the public at 26th Street and Madison Avenue.
    • October 22 » Using a filament of carbonized thread, Thomas Edison tests the first practical electric incandescent light bulb (it lasts 13​⁄2 hours before burning out).
    • December 21 » World premiere of Henrik Ibsen's A Doll's House at the Royal Theatre in Copenhagen, Denmark.

Day of marriage May 31, 1901

  • The temperature on May 31, 1901 was between 14.8 °C and 23.3 °C and averaged 17.7 °C. There was 1.1 hours of sunshine (7%). Source: KNMI
  • Koningin Wilhelmina (Huis van Oranje-Nassau) was from 1890 till 1948 sovereign of the Netherlands (also known as Koninkrijk der Nederlanden)
  • In The Netherlands , there was from July 27, 1897 to August 1, 1901 the cabinet Pierson, with Mr. N.G. Pierson (unie-liberaal) as prime minister.
  • In The Netherlands , there was from August 1, 1901 to August 16, 1905 the cabinet Kuijper, with Dr. A. Kuijper (AR) as prime minister.
  • In the year 1901: Source: Wikipedia
    • The Netherlands had about 5.2 million citizens.
    • March 2 » The U.S. Congress passes the Platt Amendment limiting the autonomy of Cuba, as a condition of the withdrawal of American troops.
    • May 9 » Australia opens its first national parliament in Melbourne.
    • June 11 » The boundaries of the Colony of New Zealand are extended by the UK to include the Cook Islands.
    • September 6 » Leon Czolgosz, an unemployed anarchist, shoots and fatally wounds US President William McKinley at the Pan-American Exposition in Buffalo, New York.
    • October 12 » President Theodore Roosevelt officially renames the "Executive Mansion" to the White House.
    • November 27 » The U.S. Army War College is established.

Day of death February 23, 1960

  • The temperature on February 23, 1960 was between 1.6 °C and 3.3 °C and averaged 2.4 °C. There was 0.2 mm of rain. The almost completely overcast was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northwest. Source: KNMI
  • Koningin Juliana (Huis van Oranje-Nassau) was from September 4, 1948 till April 30, 1980 sovereign of the Netherlands (also known as Koninkrijk der Nederlanden)
  • In The Netherlands , there was from May 19, 1959 to July 24, 1964 the cabinet De Quay, with Prof. dr. J.E. de Quay (KVP) as prime minister.
  • In the year 1960: Source: Wikipedia
    • The Netherlands had about 11.4 million citizens.
    • March 4 » The French freighter La Coubre explodes in Havana, Cuba, killing 100.
    • March 9 » Dr. Belding Hibbard Scribner implants for the first time a shunt he invented into a patient, which allows the patient to receive hemodialysis on a regular basis.
    • August 16 » Cyprus gains its independence from the United Kingdom.
    • August 19 » Cold War: In Moscow, Russia, Soviet Union, downed American U-2 pilot Francis Gary Powers is sentenced to ten years imprisonment by the Soviet Union for espionage.
    • November 1 » While campaigning for President of the United States, John F. Kennedy announces his idea of the Peace Corps.
    • December 14 » Convention against Discrimination in Education of UNESCO is adopted.


Same birth/death day

Source: Wikipedia

Source: Wikipedia


About the surname Koolhaas

  • View the information that Genealogie Online has about the surname Koolhaas.
  • Check the information Open Archives has about Koolhaas.
  • Check the Wie (onder)zoekt wie? register to see who is (re)searching Koolhaas.

The Voorouders Janssen & de Groot publication was prepared by .contact the author
When copying data from this family tree, please include a reference to the origin:
Edo Janssen, "Voorouders Janssen & de Groot", database, Genealogy Online (https://www.genealogieonline.nl/voorouders-janssen-en-de-groot/I644.php : accessed June 17, 2024), "Catharina Koolhaas (1879-1960)".