Search Jo Daviess County Genealogy
Jo Daviess County genealogy records are held at the county clerk office in Galena, a historic town in the far northwest corner of Illinois with a population around 21,000. This county has a rich collection of vital records. The clerk holds over 17,000 birth certificates and more than 19,000 death certificates from 1877 onward, plus over 36,000 marriage licenses going all the way back to 1830. That marriage collection is one of the largest and oldest in the state. The IRAD depository for Jo Daviess County is at Northern Illinois University in DeKalb. Note that the courthouse is temporarily operating from 219 Kelly Lane during renovations, so call ahead before visiting.
Jo Daviess County Genealogy Quick Facts
Jo Daviess County Clerk Vital Records
The Jo Daviess County Clerk is normally at 330 N. Bench St, Room 108, Galena, IL 61036. However, the courthouse is currently under renovation, and the clerk office is temporarily operating from 219 Kelly Lane. Call 815-777-0161 to confirm the current location and hours before you visit. This is the main office for birth, death, and marriage records in Jo Daviess County.
The numbers here are impressive for a county of this size. Over 17,000 birth certificates and more than 19,000 death certificates are on file starting from 1877. But the real prize is the marriage collection. More than 36,000 marriage licenses dating back to 1830 are held here. That is 12 years after Illinois statehood. Few counties in the state can match the depth of this marriage record collection. Galena was a booming lead mining town in the early 1800s, which drew settlers from all over the region. If your ancestors were among them, these marriage files could hold the proof.
The genealogy search fee is $10. Provide the full name, approximate dates, and the record type you need. For mail requests, send a letter with those details, a $10 check payable to the Jo Daviess County Clerk, and a copy of your photo ID. The Counties Code (55 ILCS 5) names the county clerk as the official custodian of vital records at the county level.
| Office | Jo Daviess County Clerk |
|---|---|
| Permanent Address | 330 N. Bench St, Rm 108 Galena, IL 61036 |
| Temporary Address | 219 Kelly Lane (during renovation) |
| Phone | 815-777-0161 |
Jo Daviess County Marriage Records
The 36,000-plus marriage license collection is the standout genealogy resource in Jo Daviess County. Records begin in 1830. That puts Galena among the earliest counties in Illinois for marriage documentation. Early marriage records are especially useful because they predate the state vital records system by decades. A marriage license from the 1830s or 1840s can confirm the names of both spouses, the date of the ceremony, and sometimes the officiant and witnesses.
Marriage records older than 50 years are available for genealogy research under the Vital Records Act (410 ILCS 535). Since the oldest Jo Daviess marriage records are from 1830, nearly the entire collection is open for researchers. The Illinois State Archives also has a statewide marriage index that covers 1763 to 1900. Check the state index first to see if your ancestor's marriage shows up, then request a full copy from the Jo Daviess County Clerk.
The Vital Records Act shown above sets the time thresholds for accessing genealogy records in Illinois. Marriage records open after 50 years, which means most of the Jo Daviess County marriage collection is available for research.
Jo Daviess County Genealogy at IRAD
The IRAD depository for Jo Daviess County is at Northern Illinois University in DeKalb. Call (815) 753-1807 to check hours and ask about holdings. IRAD stores older government records transferred from the Galena courthouse. These can include historical vital records, court files, probate records, naturalization papers, and other county documents. Research at IRAD is free and you can photograph documents at no cost.
The IRAD holdings database on the Illinois State Archives site lets you look up what Jo Daviess County records are stored in DeKalb. Check this online tool before your visit. The Local Records Act (50 ILCS 205) established the IRAD system to safeguard county records. Old Jo Daviess County files are safely stored at the university archive because of this law.
Searching Jo Daviess County Genealogy
Start with the Jo Daviess County Clerk for local records. The $10 fee covers staff searching the indexes. For statewide birth and death records from 1916 onward, the Illinois Department of Public Health handles genealogy requests. IDPH requests go by mail and take around 12 weeks. The state fee is $10 per genealogy copy.
Jo Daviess County sits at the Wisconsin and Iowa borders. Families in this northwest corner of Illinois often had ties across state lines. If your search stalls, consider checking Iowa and Wisconsin vital records as well. The county's mining heritage brought people from many places, and they did not always stay put.
- Jo Daviess County Clerk: 36,000+ marriages from 1830, births and deaths from 1877
- Courthouse temporarily at 219 Kelly Lane during renovation
- IRAD at Northern Illinois University, DeKalb: older county files
- Illinois State Archives: free marriage and death indexes online
- IDPH: statewide birth and death from 1916, $10 by mail
The depth of records here makes Jo Daviess County one of the better places to research early Illinois families. The marriage records from 1830 alone set it apart.
Nearby Counties
These counties are near Jo Daviess County in the far northwest corner of Illinois. Your ancestor may have lived in a neighboring county at some point, so check these areas too.