91st Illinois Infantry Regiment #32311006
Description
The 91st Illinois Infantry was organized at Camp Butler, Illinois, and mustered into Federal service on September 8, 1862. The regiment was mustered out on June 12, 1865, and discharged at Chicago, Illinois, on June 28, 1865.
Written by the group; not a statement by this register.
Membership history
Growth
Growth history is still building. We hold one measurement for this entry. A trend needs at least two, taken days apart — so this will fill in on its own rather than being estimated. We do not publish numbers we have not measured.
| Measured (UTC) | Members | Change |
|---|---|---|
| 22 Aug 2026, 01:28 | 2 | first reading |
Ownership
Owned by @354monkey as measured.
Members we’ve seen
@354monkey — Colonel (rank 255)
A sample — only members this register has independently measured, highest rank first. Not the full roster.
Related groups
Groups whose measured members overlap with this one — a sample from our membership graph.
Open data
Download this group’s measured record — free to reuse with attribution: membership history (CSV) · full record (JSON)
Each file carries its licence and retrieval time inside it, and is generated from the same measurements shown above.