1830 Census
Ferguson            Horatio N              AR Terr Crittenden; no township listed
Ferguson            William D              AR Terr Crittenden; no township listed
1840 Census
Ferguson            Horatio N                AR    Crittenden; Jasper
Furguson            William D                AR    Crittenden; Jasper
1850 Census
Furguson     Andrew          0   AR         AR   Crittenden; Proctor
Furguson     John B          19  AR         AR   Crittenden; Proctor
Furguson     Permelia        36  KY         AR   Crittenden; Proctor
Furguson     Wm D            50  NC         AR   Crittenden; Proctor
Fergusson    Allen           38  NC         AR   Crittenden; Wappanocca
Furguson     Andrew          11  AR         AR   Crittenden; Wappanocca
Fergusson    Angeline        25  NJ         AR   Crittenden; Wappanocca
Furguson     Catherine       13  AR         AR   Crittenden; Wappanocca
Furguson     Edward          20  AR         AR   Crittenden; Wappanocca
Fergusson    Eliza           27  NC         AR   Crittenden; Wappanocca
Furguson     Elizabeth       18  AR         AR   Crittenden; Wappanocca
Fergusson    Jane            2   AR         AR   Crittenden; Wappanocca
Furguson     Jane            30  AR         AR   Crittenden; Wappanocca
Furguson     Margarett       16  AR         AR   Crittenden; Wappanocca
Furguson     Sarah           22  AR         AR   Crittenden; Wappanocca
Fergurson    Sarah           38  TN         AR   Crittenden; Wappanocca
1860 Census
Ferguson     Alex H          21  Male    Ar     AR      Crittenden Wappanocca Twp
1910 Census
Ferguson        Louise           76  Female  Mo      AR      Crittenden Jackson Twp
Ferguson        William E        13  Male    Ny      AR      Crittenden Jackson Twp
Furgurson       Mildred          48  Female  Tn      AR      Crittenden Lucas Twp
Ferguson        Doon M           29  Male    Ms      AR      Crittenden Mississippi Twp
Ferguson        Dora M           42  Female  In      AR      Crittenden Tyronza Twp
1920 Census
Ferguson        Del              63  Male    Ar      AR      Crittenden Mississippi
Ferguson        J W              37  Male    Ms      AR      Crittenden Turrell; Fogleman

ARKANSAS -- 1850 CENSUS -- Crittenden
FERGURSON        Allen      Crittenden     365
FERGURSON        Sarah      Crittenden     364
FURGUSON         Jane       Crittenden     364
FURGUSON         William O. Crittenden     372

Arkansas-1850 Census
 "Ferguson , William"
 County: Crittenden
 Roll: M432_25 Page: 309
 Township: Council Twp
 
 Arkansas-1850 Census
 "Ferguson , Jane"
 County: Crittenden
 Roll: M432_25 Page: 293
 Township: Wappanocca Twp

ARKANSAS -- 1870 Census -- Crittenden
FURGERSON    Harriett     Crittenden       309
FURGERSON    Mary         Crittenden       318
FURGERSON    Niles        Crittenden       299