---
title: "LYALL KATHARINE C — Ownership Dossier"
canonical: https://whiteintel.dev/entity/41edca11-035f-5bca-b4ce-6ebb628c70fa
json: https://whiteintel.dev/api/public/dossier/41edca11-035f-5bca-b4ce-6ebb628c70fa
identifier: sec:0001056586
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# LYALL KATHARINE C

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001056586`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/41edca11-035f-5bca-b4ce-6ebb628c70fa  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/41edca11-035f-5bca-b4ce-6ebb628c70fa  

## Ownership & control

### Holdings / subsidiaries

- **MARSHALL & ILSLEY CORP** (director) — https://whiteintel.dev/entity/e5ff8f08-a97e-5278-b338-73b7d551ef92
- **MARSHALL & ILSLEY CORP/WI/** (director) — https://whiteintel.dev/entity/f1d8aa85-c2c7-5ea1-8b9f-8e92a55f8582

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **LYALL KATHARINE C**. Human view: https://whiteintel.dev/entity/41edca11-035f-5bca-b4ce-6ebb628c70fa · Structured JSON: https://whiteintel.dev/api/public/dossier/41edca11-035f-5bca-b4ce-6ebb628c70fa._

_Risk levels are heuristic investigative leads, not legal determinations of beneficial ownership. Every claim carries a source; an absent edge means "not yet observed in current sources", not "does not exist"._