He developed the distinctive style that became known as the Conibear stroke that "had an effect on the sport that lasted for 30 years".

[1][2][3] Conibear studied in Mendota and Dixon, Illinois, and attended the Chautauqua School of Physical Training for four years.

In 1906 while at the University of Chicago, Conibear met Bill Speidel, a medical student and former Washington quarterback.

The FamilySearch genealogical database shows that Conibear married Grace Evertt Miller of Dixon, Illinois in about 1898.

Conibear died from a fall from a plum tree at his home in Seattle, Washington, on September 9, 1917, at age 46.