The Collaborative International Dictionary of English v.0.48:

Dade \Dade\, v. i.
   To walk unsteadily, as a child in leading strings, or just
   learning to walk; to move slowly. [Obs.]
   [1913 Webster]

         No sooner taught to dade, but from their mother trip.
                                                  --Drayton.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Dade \Dade\, v. t. [Of. uncertain origin. Cf. Dandle,
   Daddle.]
   To hold up by leading strings or by the hand, as a child
   while he toddles. [Obs.]
   [1913 Webster]

         Little children when they learn to go
         By painful mothers daded to and fro.     --Drayton.
   [1913 Webster]

U.S. Gazetteer Counties (2000):

Dade -- U.S. County in Missouri
   Population (2000):    7923
   Housing Units (2000): 3758
   Land area (2000):     490.341256 sq. miles (1269.977968 sq. km)
   Water area (2000):    15.960015 sq. miles (41.336247 sq. km)
   Total area (2000):    506.301271 sq. miles (1311.314215 sq. km)
   Located within:       Missouri (MO), FIPS 29
   Location:             37.416470 N, 93.833128 W
   Headwords:
    Dade
    Dade, MO
    Dade County
    Dade County, MO


U.S. Gazetteer Counties (2000):

Dade -- U.S. County in Georgia
   Population (2000):    15154
   Housing Units (2000): 6224
   Land area (2000):     173.978017 sq. miles (450.600975 sq. km)
   Water area (2000):    0.181430 sq. miles (0.469902 sq. km)
   Total area (2000):    174.159447 sq. miles (451.070877 sq. km)
   Located within:       Georgia (GA), FIPS 13
   Location:             34.863615 N, 85.501646 W
   Headwords:
    Dade
    Dade, GA
    Dade County
    Dade County, GA