· Public charity
Northern Arizona Pioneers Historical Society
To provide support for two northern arizona historic museums (the riordan mansion historic park and the pioneer museum) by focusing on early history of northern arizona through educational programs, cultural event sponsorships and recruiting, and training museum docents.
What you funded, over time
By grantee IRS cause code (NTEE).
A cause breakdown isn’t shown here: 100% of NORTHERN ARIZONA PIONEERS HISTORICAL SOCIETY’s grantee dollars fall outside its nine largest cause areas, whether because the recipient carries no IRS cause code or because its cause sits in the long tail. A chart would be mostly one residual band and misrepresent the portfolio.
Where the money goes
Your grants by size, and where they go.
The 1 grants below total $8,532 — the rows itemised in this filing. The $9,882 headline is the total grant expense reported on the return, so the remaining $1,350 is giving the schedule does not break out: grants under the $5,000 itemisation floor, grants to individuals, and grants reported on other schedules. Every figure below describes the itemised rows only.
| Recipient | Amount |
|---|---|
| RIORDAN MANSION STATE PARK | $8,532 |
0 grantees tracked through their own filings, 2023–2024.
Each one resolved to its own IRS returns and tracked year by year — your grant beside their revenue from every source. Association, dated; never a causal claim.
Counted here: distinct organizations you funded across 2023–2024, not grant rows in a single year — so this will not match the grant count on the cover. 0 of the 1 grantees resolved in that span have returns of their own we could reconcile; the rest are funded organizations whose filings we could not track year by year.
Each org by its size and your share of it — top-left is where you’re load-bearing
Go grantee by grantee — a decade per org, and how each moved after you funded them
A decade per grantee — revenue shaded, your grants as bars, all rows on one timeline.
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Find your warmest path to Northern Arizona Pioneers Historical Society through trustees and officers whose names appear on both boards. Search for your organization and Plinth traces the shortest route it can evidence.
Each link is a name appearing on two organizations’ public IRS 990 filings, matched on that name and, where the filings support it, on location. A same-state match has geographic support, which is a second matching feature rather than confirmation that the two are one person; a cross-state one is the likeliest to be two people who share a name. Every hop shows its tier, low-confidence and distant paths are held back rather than guessed, and it is worth confirming the person before you use the introduction.