Document L.90 · Family Trees · transcription: active
Ancestry public tree — George Monroe COOPER (1830-1913) — Tree ID 33965336 / Person ID 18621242437 — names full sibling roster + parents Joseph Ellis Cooper × Elsie/Elcy Stackhouse + spouses (Martha E Stackhouse + Rachel Nancy Janes) + children (Mary L, Sarah, Laura Elbertine, Belle Florilla, George Ile Melvill). 11 timeline sources cited. = the keystone Ancestry-tree corroborating [F.139](../F-Church-Vital/F.139.yaml) PA death certificate primary-source-locking of Joseph Ellis Cooper × Elsie Stackhouse parentage [verbatim]
Transcription and notes
Filename
(image held in the family archive)
Per memory feedback_ancestry_family_trees_low_certainty.md: Ancestry trees are tier low certainty (= a tier below Find A Grave). However, corroborated by F.139 PA death certificate at primary-source-tier for Calvin C / Joseph Ellis / Elsie Stackhouse parentage, so the relevant facts here are upgraded to primary-source-equivalent confidence.
Identification
- Source: Ancestry Public Member Tree, accessed 20 May 2026 7:42 PM
- Tree ID: 33965336
- Person ID: 18621242437
- Subject: George Monroe COOPER
- URL: https://www.ancestry.com/family-tree/person/tree/33965336/person/18621242437/facts?_phsrc=jBs3099&_phstart=successSource
- 11 sources cited on Birth fact + multiple census/marriage/death-index sources across timeline; see below
Verbatim subject data
| Field | Value |
|---|---|
| Full name | George Monroe COOPER |
| Birth | 9 February 1830 Independence, Warren County, New Jersey |
| Death | 13 December 1913 Greenwood Cemetery, Leaf Lake Township, Otter Tail County, Minnesota (age 83) |
| Burial | 1913 Greenwood Cemetery, New York Mills, Otter Tail County, Minnesota |
Verbatim parents
| Field | Value |
|---|---|
| Father | Joseph * Ellis COOPER (1786–1852); d. 29 October 1852 Great Meadows, Warren, NJ |
| Mother | Elsie/Elcy * STACKHOUSE (1801–1868); d. 9 March 1868 Hope, Warren, NJ |
(The * in tree convention = preferred name when alternate spellings exist.)
Verbatim siblings (timeline entries)
| Name (tree) | Born (tree) | Died (tree) | Catalog mapping |
|---|---|---|---|
| Margaret * Elisabeth COOPER | 20 April 1832 Warren, Warren, NJ | 11 October 1896 Franklin Furnace, Sussex, NJ | NEW — p.166 |
| Caleb Swayze COOPER | 20 March 1834 Vienna, Warren, NJ | 13 April 1913 Tranquility, Sussex, NJ | p.163 + G.152 |
| Calvin Chandler COOPER | 31 March 1836 Warren Co., NJ | 1919 | p.164 + G.154 + F.139 — full middle name CHANDLER (= confirms D.4 line 21 should read "Calvin C") |
| Elsie Stackhouse | 31 March 1836 Warren Co., NJ | 1919 | Tree-data error: same name + dates as Calvin Chandler's "wife/mother" pattern; likely a tree-error duplicate (perhaps Joseph's wife Elsie cross-referenced as a sibling) — IGNORE as catalog datum |
| Robert Marshall COOPER | 18 April 1838 Vienna, Warren, NJ | 4 October 1913 Hope, Warren, NJ | p.165 + G.151 |
Lewis Sanford COOPER (1825-1905) also listed in tree as brother (timeline entry: "Death of brother Lewis Sanford COOPER (1825–1905) 29 July 1905 Santa Maria, Santa Barbara, California") = p.42 — sibling-confirmed via this tree.
= 6 children of Joseph Ellis Cooper × Elsie Stackhouse: Lewis Sanford, George Monroe, Margaret Elisabeth, Caleb Swayze, Calvin Chandler, Robert Marshall.
Verbatim spouses + children
1st marriage
| Field | Value |
|---|---|
| Spouse | Martha E(lizabeth) STACKHOUSE (1837–1896) |
| Date | 3 December 1859 (also listed as 20 December 1859 — duplicate / two-tree-entries) |
| Place | Hope, Warren New Jersey |
| Children | Mary L COOPER (1859–1916), b. 20 September 1859 Allamuchy, Warren, NJ + Sarah COOPER (no dates) |
2nd marriage
| Field | Value |
|---|---|
| Spouse | Rachel Nancy JANES (1855–1920) |
| Date | 18 January 1875 |
| Place | Mankato, Blue Earth County, Minnesota |
| Children | Laura Elbertine COOPER (1876–1937) b. 22 Jan 1876 Le Sueur Co. MN; Belle Florilla COOPER (1878–1960) b. 4 Feb 1878 LeSuer Co. MN; George Ile Melvill COOPER (1885–1962) b. 28 June 1885 Leaf Lake Co. MN |
Verbatim migration arc (residence facts)
| Year | Location | Notes |
|---|---|---|
| 1850 | Independence, Warren, NJ | with father Joseph |
| 1855 | Independence, Warren, NJ | NJ State Census |
| 1860 | Independence, Warren, NJ | post-1st-marriage to Martha Stackhouse |
| 1870 | West Jersey, Stark, Illinois | = D.18 household |
| 1875 | Mankato, Blue Earth, MN | 2nd marriage |
| 1876-78 | Le Sueur Co., MN | 2 daughters born |
| 1880 | Antrim, Watonwan, MN | residence |
| 1885 | Leaf Lake Co., MN | son George Ile Melvill born |
| 1895 | Leaf Lake, Otter Tail, MN | residence (age 63) |
| 1900 | Leaf Lake Twp, Otter Tail, MN | residence; age 70; Married; Head |
| 1905 | Homestead, Otter Tail, MN | residence; age 75 |
| 1910 | Newton, Otter Tail, MN | residence; age 80; Father-in-Law |
| 1913 | Greenwood Cemetery, Leaf Lake Township, Otter Tail Co., MN | death age 83 |
Verbatim Ancestry source list (11 sources)
- 1850 United States Federal Census
- 1860 United States Federal Census
- 1870 United States Federal Census
- 1880 United States Federal Census
- 1900 United States Federal Census
- 1910 United States Federal Census
- Ancestry Family Trees
- Minnesota Death Index, 1908-2002
- Minnesota Territorial and State Censuses, 1849-1905 (×2)
- Minnesota, Marriages Index, 1849-1950
- New Jersey, Marriage Records, 1670-1965
- New Jersey, State Census, 1855
- Pennsylvania, Death Certificates, 1906-1944 (= F.139)
- U.S., Find A Grave Index, 1700s-Current
- Web: Minnesota, Find A Grave Index, 1849-2011
Catalog impact
- Confirms Joseph 1786's full name as Joseph Ellis Cooper (informal alt spelling "Ellis" middle name)
- Confirms Joseph's wife's full name as Elsie/Elcy Stackhouse (= D.4's "Eloe" reading resolves to Elsie/Elcy — Stackhouse maiden)
- Identifies a NEW catalog sibling: Margaret Elisabeth Cooper (1832-1896) — p.166 created
- Full names for 5 of 6 children:
- Lewis Sanford
- George Monroe (NEW middle name vs catalog's "M" initial)
- Margaret Elisabeth (NEW)
- Caleb Swayze (NEW middle name vs catalog's "S" initial; resolves Caleb S → Caleb Swayze)
- Calvin Chandler (NEW middle name; resolves Calvin C/B → Calvin C / Chandler)
- Robert Marshall (NEW middle name vs catalog's "M" initial)
- 5 children for George Monroe + 2 marriages (catalog previously had p.162 as likely unmarried Y-line dead-end — overturned)
- PA death certificate for Calvin (= F.139) is the primary-source backbone of this entire family-naming structure
Cross-references
- F.139 — PA death certificate primary-source-locking Joseph Ellis × Elsie Stackhouse parentage
- G.153 — George Cooper Find A Grave (= subject of this tree)
- G.152 — Caleb S. Cooper Find A Grave (= sibling)
- G.154 — Calvin C Cooper Find A Grave (= sibling)
- G.151 — Robert M Cooper Find A Grave (= sibling)
- G.129 - G.132 — Lewis Sanford branch (= sibling Lewis Sanford's children)
- p.42, p.112, p.162, p.163, p.164, p.165, p.166