Illinois Chapter #46
Welcome to the Illinois Chapter of the O'Brien Clan.
To get your copy of the Articles of Association, (Text or HTML). Download (save) or print out your copy.
To apply for Membership, click here and fill out the Membership Application form and press the Submit button. I will forward the Membership form to the appropriate Chapter.
The Membership form will be emailed back to (Melanie O'Brien). A list of members will be sent to The O'Brien, on a quarterly basis, for inclusion into a master list of the O'Brien Clan.
Festivals:
Members:
Illinois Counties Selection List
Queries or Information about Counties should be
directed to the name listed under the "Contact" column |
| County |
Date
Formed |
Parent County |
County Seat |
Contact |
| Adams |
1825 |
Pike |
Quincy |
(Host Needed) |
| Alexander |
1819 |
Union |
Cairo |
(Host Needed) |
| Bond |
1817 * |
Madison |
Greenville |
(Host Needed) |
| Boone |
1837 |
Winnebago |
Belvidere |
(Host Needed) |
| Brown |
1839 |
Schuyler |
Mount Sterling |
(Host Needed) |
| Bureau |
1837 |
Putnam |
Princeton |
(Host Needed) |
| Calhoun |
1825 |
Pike |
Hardin |
(Host Needed) |
| Carroll |
1839 |
Jo Daviess |
Mount Carroll |
(Host Needed) |
| Cass |
1837 |
Morgan |
Virginia |
(Host Needed) |
| Champaign |
1833 |
Vermilion |
Urbana |
(Host Needed) |
| Christian |
1839 |
Dane (Montgomery,Sangamon,Shelby) |
Taylorville |
(Host Needed) |
| Clark |
1819 |
Crawford |
Marshall |
(Host Needed) |
| Clay |
1824 |
Crawford, Fayette, Wayne |
Louisville |
(Host Needed) |
| Clinton |
1824 |
Bond, Washington |
Carlyle |
(Host Needed) |
| Coles |
1830 |
Clark, Edgar |
Charleston |
(Host Needed) |
| Cook |
1831 |
Putnam |
Chicago |
(Host Needed) |
| Crawford |
1816 * |
Edwards (IT) |
Robinson |
(Host Needed) |
| Cumberland |
1843 |
Coles |
Toledo |
(Host Needed) |
| Dane |
1839 |
Montgomery, Sangamon, Shelby |
Extinct - 1840
Now Christian |
(Host Needed) |
| DeKalb |
1837 |
Kane |
Sycamore |
(Host Needed) |
| DeWitt |
1839 |
Macon, McLean |
Clinton |
(Host Needed) |
| Douglas |
1859 |
Coles |
Tuscola |
(Host Needed) |
| DuPage |
1839 |
Cook |
Wheaton |
(Host Needed) |
| Edgar |
1823 |
Clark |
Paris |
(Host Needed) |
| Edwards |
1814 * |
Gallatin, Madison (IT) |
Albion |
(Host Needed) |
| Effingham |
1831 |
Crawford, Fayette |
Effingham |
(Host Needed) |
| Fayette |
1821 |
Bond, Clark, Crawford, Jefferson |
Vandalia |
(Host Needed) |
| Ford |
1859 |
unorganized (Vermilion) |
Paxton |
(Host Needed) |
| Franklin |
1818 * |
Gallatin, White |
Benton |
(Host Needed) |
| Fulton |
1823 |
Pike |
Lewistown |
(Host Needed) |
| Gallatin |
1812 * |
Randolph (IT) |
Shawneetown |
(Host Needed) |
| Greene |
1821 |
Madison |
Carrollton |
(Host Needed) |
| Grundy |
1841 |
LaSalle |
Morris |
(Host Needed) |
| Hamilton |
1821 |
White |
McLeansboro |
(Host Needed) |
| Hancock |
1825 |
Pike |
Carthage |
(Host Needed) |
| Hardin |
1839 |
Gallatin, Pope |
Elizabethtown |
(Host Needed) |
| Henderson |
1841 |
Warren |
Oquawka |
(Host Needed) |
| Henry |
1825 |
unorganized (Fulton) |
Cambridge |
(Host Needed) |
| Iroquois |
1833 |
unorganized (Vermilion) |
Watseka |
(Host Needed) |
| Jackson |
1816 * |
Johnson, Randolph |
Murphysboro |
(Host Needed) |
| Jasper |
1831 |
Clay, Crawford |
Newton |
(Host Needed) |
| Jefferson |
1819 |
Edwards, White |
Mt. Vernon |
(Host Needed) |
| Jersey |
1839 |
Greene |
Jerseyville |
(Host Needed) |
| JoDaviess |
1827 |
Henry, Putnam |
Galena |
(Host Needed) |
| Johnson |
1812 * |
Randolph (IT) |
Vienna |
(Host Needed) |
| Kane |
1836 |
unorganized (LaSalle), Cook |
Geneva |
(Host Needed) |
| Kankakee |
1853 |
Ford, Iroquois, Will |
Kankakee |
(Host Needed) |
| Kendall |
1841 |
LaSalle, Kane |
Yorkville |
(Host Needed) |
| Knox |
1825 |
unorganized (Fulton), Fulton, Henry |
Galesburg |
(Host Needed) |
| Knox |
* |
Northwest Territory |
extinct |
(Host Needed) |
| Lake |
1839 |
McHenry |
Waukegan |
(Host Needed) |
| LaSalle |
1831 |
Putnam, unorganized (Tazewell) |
Ottawa |
(Host Needed) |
| Lawrence |
1821 |
Crawford, Edwards |
Lawrenceville |
(Host Needed) |
| Lee |
1839 |
Ogle |
Dixon |
(Host Needed) |
| Livingston |
1837 |
LaSalle, McLean, unorganized (Vermilion?) |
Pontiac |
(Host Needed) |
| Logan |
1839 |
McLean, Sangamon, Tazewell |
Lincoln |
(Host Needed) |
| Macon |
1829 |
unorganized (Shelby) |
Decatur |
(Host Needed) |
| Macoupin |
1829 |
unorganized (Greene), Madison |
Carlinville |
(Host Needed) |
| Madison |
1812 * |
St. Clair (IT) |
Edwardsville |
(Host Needed) |
| Marion |
1823 |
Fayette, Jefferson |
Salem |
(Host Needed) |
| Marshall |
1839 |
Putnam, LaSalle |
Lacon |
(Host Needed) |
| Mason |
1841 |
Menard, Tazewell |
Havana |
(Host Needed) |
| Massac |
1843 |
Johnson, Pope |
Metropolis |
(Host Needed) |
| McDonough |
1826 |
Schuyler |
Macomb |
(Host Needed) |
| McHenry |
1836 |
Cook, unorganized (LaSalle) |
Woodstock |
(Host Needed) |
| McLean |
1830 |
Tazewell, unorganized (Tazewell) |
Bloomington |
(Host Needed) |
| Menard |
1839 |
Sangamon |
Petersburg |
(Host Needed) |
| Mercer |
1825 |
unorganized (Pike) |
Aledo |
(Host Needed) |
| Monroe |
1816 * |
Randolph, St. Clair |
Waterloo |
(Host Needed) |
| Montgomery |
1821 |
Bond, Madison |
Hillsboro |
(Host Needed) |
| Morgan |
1823 |
unorganized (Greene), Sangamon |
Jacksonville |
(Host Needed) |
| Moultrie |
1843 |
Macon, Shelby |
Sullivan |
(Host Needed) |
| Ogle |
1836 |
Jo Daviess, unorganized (LaSalle) |
Oregon |
(Host Needed) |
| Peoria |
1825 |
Fulton, unorganized (Fulton) |
Peoria |
(Host Needed) |
| Perry |
1827 |
Jackson, Randolph |
Pickneyville |
(Host Needed) |
| Piatt |
1841 |
DeWitt, Macon |
Monticello |
(Host Needed) |
| Pike |
1821 |
Madison |
Pittsfield |
(Host Needed) |
| Pope |
1816 * |
Gallatin, Johnson |
Golconda |
(Host Needed) |
| Pulaski |
1843 |
Alexander, Johnson |
Mound City |
(Host Needed) |
| Putnam |
1825 |
unorganized (Edgar, Fulton) |
Hennepin |
(Host Needed) |
| Randolph |
1795 * |
St. Clair, Northwest Territory |
Chester |
(Host Needed) |
| Richland |
1841 |
Clay, Lawrence |
Olney |
(Host Needed) |
| Rock Island |
1831 |
Jo Daviess |
Rock Island |
(Host Needed) |
| Saline |
1847 |
Gallatin |
Harrisburg |
(Host Needed) |
| Sangamon |
1821 |
Bond, Madison |
Springfield |
(Host Needed) |
| Schuyler |
1825 |
Pike, unorganized (Pike) |
Rushville |
(Host Needed) |
| Scott |
1839 |
Morgan |
Winchester |
(Host Needed) |
| Shelby |
1827 |
Fayette |
Shelbyville |
(Host Needed) |
| Stark |
1839 |
Knox, Putnam |
Toulon |
(Host Needed) |
| St. Clair |
1790 * |
Northwest Territory |
Belleville |
(Host Needed) |
| Stephenson |
1837 |
Jo Daviess, Winnebago |
Freeport |
(Host Needed) |
| Tazewell |
1827 |
unorganized (Peoria), Fayette |
Pekin |
(Host Needed) |
| Union |
1818 * |
Johnson, Jackson |
Jonesboro |
(Host Needed) |
| Vermilion |
1826 |
unorganized (Edgar) |
Danville |
(Host Needed) |
| Wabash |
1824 |
Edwards |
Mount Carmel |
(Host Needed) |
| Warren |
1825 |
unorganized (Pike) |
Monmouth |
(Host Needed) |
| Washington |
1818 * |
St. Clair |
Nashville |
(Host Needed) |
| Wayne |
1819 |
Edwards |
Fairfield |
(Host Needed) |
| White |
1815 * |
Madison (IT) |
Carmi |
(Host Needed) |
| Whiteside |
1836 |
Jo Daviess, Henry |
Morrison |
(Host Needed) |
| Will |
1836 |
Cook, Iroquois |
Joliet |
(Host Needed) |
| Williamson |
1839 |
Franklin |
Marion |
(Host Needed) |
| Winnebago |
1836 |
JoDaviess, unorganized (LaSalle) |
Rockford |
(Host Needed) |
| Woodford |
1841 |
McLean, Tazewell |
Eureka |
(Host Needed) |
DEFINITIONS:
* =county formed before Illinois became a state
(IT) =Illinois Territory
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If there are Games or Festivals scheduled in your area, please email me with the information so I can add it to a list.
Festivals:
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