searched 1920 census for Colby. The following are unknown:
Colby, Bert (b 1881) & Mary A.
USCensus1920.T625_1006.NHT625_1006-0416

Colby, Jerry (b 1873) & Sophoria
USCensus1920.T625_1006.NHT625_1006-0422

Colby, Leon P. (b 1883) & Carrie A.
USCensus1920.T625_1006.NHT625_1006-0430

Colby, Almira (b 1850); Colby Curtis H(b 1858) & Mary A
USCensus1920.T625_1006.NHT625_1006-0438

Colby, Adeline C (b 1848)
USCensus1920.T625_1006.NHT625_1006-0407

Colby, Edna S (b 1862); Colby, Charles W (b 1884) & Eva S
USCensus1920.T625_1006.NHT625_1006-0420

Colby, Winfred (b 1904)
USCensus1920.T625_1006.NHT625_1006-0444

Colby, Hiram A (b 1850) & Hattie N
USCensus1920.T625_1006.NHT625_1006-0446