1800 Census			
Furgason	James	PA	Butler; Buffalo Twp
Furgason	Willm	PA	Butler; Buffalo Twp
Furgason	Willm	PA	Butler; Slippery Rock Twp
1820 Census
Ferguson            Hugh                     PA    Butler; Muddy Creek
1840 Census
Forguson            Wm                       PA    Butler; Centre
1850 Census
Ferguson        Wm Henry        4   PA      PA      Butler; EaStConnoquenessing
Furgeson        Margaret        74  Ire.    PA      Butler; Franklin
Furgeson        Isaac           25  PA      PA      Butler; Prospect
Furgeson        Myron           15  PA      PA      Butler; Prospect
Ferguson        John            11  PA      PA      Butler; WeStConnoquenessing
Ferguson        Keziah          35  PA      PA      Butler; WeStConnoquenessing
Ferguson        Keziah M        3   PA      PA      Butler; WeStConnoquenessing
Ferguson        Sarah Ann       7   PA      PA      Butler; WeStConnoquenessing
Ferguson        Thomas          40  Ire.    PA      Butler; WeStConnoquenessing
Ferguson        Thomas C        6   PA      PA      Butler; WeStConnoquenessing
Ferguson        William         9   PA      PA      Butler; WeStConnoquenessing
1860 Census
Ferguson     John            39  Male    Pa     PA      Butler Connoquenessing
Furguson     James           60  Male    Irel   PA      Butler Middlesex Twp
1870 Census
Furgison     F M             27  Male    Irel   PA      Butler Clinton Twp
Ferguson     Henry           16  Male    Pa     PA      Butler Cranberry Twp
Furgison     John            24  Male    Pa     PA      Butler Middlesex Twp
Furgison     Margaret        58  Female  Pa     PA      Butler Middlesex Twp
1900 Census
Fergason        Francis          56  Male    Irel    PA      Butler Clinton
Furgeson        Harry            29  Male    Pa      PA      Butler Middlesex Twp
Furgeson        John             54  Male    Pa      PA      Butler Middlesex Twp
Furgeson        John J           23  Male    Pa      PA      Butler Middlesex Twp
Ferguson        William          63  Male    Pa      PA      Butler Millerstown Boro
Ferguson        Frank            42  Male    Pa      PA      Butler S Adams Twp
Ferguson        Joseph           22  Male    Pa      PA      Butler Summit Twp
Ferguson        Robert C         24  Male    Pa      PA      Butler Summit Twp
1910 Census
Furguson        Lizzie           57  Female  Ma      PA      Butler 3-Wd Butler Boro
Ferguson        J R              26  Male    Pa      PA      Butler 4-Wd Butler Boro
Ferguson        R J              36  Male    Pa      PA      Butler 4-Wd Butler Boro
Furguson        Frank M          64  Male    Irel    PA      Butler Clinton Twp
Ferguson        Zenie            52  Female  Pa      PA      Butler Mars Boro
Ferguson        Harry            39  Male    Pa      PA      Butler Middlesex Twp
Ferguson        John             33  Male    Pa      PA      Butler Middlesex Twp
Ferguson        John Sr          63  Male    Pa      PA      Butler Middlesex Twp
Ferguson        Hugh             35  Male    Oh      PA      Butler Millerstown Boro
Ferguson        Margaret J       67  Female  Pa      PA      Butler Millerstown Boro
Ferguson        Azel F           64  Male    Pa      PA      Butler Venango Twp
Ferguson        Robert C         34  Male    Pa      PA      Butler Venango Twp
Ferguson        William H        36  Male    Pa      PA      Butler Venango Twp
Furguson        Joseph T         34  Male    Pa      PA      Butler Venango Twp
Ferguson        Agnes Mrs        61  Female  Pa      PA      Butler Zelienople Boro
1920 Census
Ferguson        Charles C        39  Male    Pa      PA      Butler 2-Wd Butler
Ferguson        Elizabeth        65  Female  Ma      PA      Butler 2-Wd Butler
Ferguson        Harry P          37  Male    Pa      PA      Butler 4-Wd Butler
Ferguson        Robert J         45  Male    Pa      PA      Butler 4-Wd Butler
Ferguson        Hillard F        69  Male    Pa      PA      Butler 5-Wd Butler
Ferguson        Hugh             74  Male    Scot    PA      Butler 5-Wd Butler
Ferguson        Benjamin B       62  Male    Pa      PA      Butler Butler
Ferguson        Wilber           29  Male    Pa      PA      Butler Clinton
Ferguson        William B        41  Male    Pa      PA      Butler Donegal
Ferguson        Harry            48  Male    Pa      PA      Butler Middlesex
Ferguson        John             42  Male    Pa      PA      Butler Middlesex
Ferguson        Nancy E          74  Female  Pa      PA      Butler Middlesex
Ferguson        Roy C            34  Male    Pa      PA      Butler Middlesex
Ferguson        Joseph T         41  Male    Pa      PA      Butler Venango
Furguson        Azel F           74  Male    Pa      PA      Butler Venango
Furguson        Dora S           48  Female  Pa      PA      Butler Venango
Furguson        Robert C         43  Male    Pa      PA      Butler Venango
Ferguson        Emma             27  Female  Pa      PA      Butler Washington
Ferguson        Harrold C        21  Male    Pa      PA      Butler Washington