MD
Margaret Donnelly — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Sedgwick-County, Colorado
Our Model Tree links this Margaret Donnelly across the 1930 and 1940 US Censuses in Sedgwick-County, Colorado (XGBoost, ~Confirmed) — first a spouse (b.~1894), then head of a 7-person household.
Age 46
b. ~1894
Female
Spouse
Born: Nebraska
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Sedgwick-County, Colorado |
| Surname | Donnelly |
| Given Name | Margaret M |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Nebraska |
| 1935 Residence (City) | 10 V 44 W and 11 N 43 W |
| 1935 Residence (County) | Sedgwick |
| Additional Details | |
| Highest Grade | No H 4 |
| 1935 Residence | Same place |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
| Township / Ward | 10 V 44 W And 11 N 43 W |
| Est. Birth Year | ~1894 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| John Donnelly | Head | — | 51 | ~1889 |
| Dennis Donnelly | Son | — | 17 | ~1923 |
| Eugene Donnelly | Son | — | 7 | ~1933 |
| Patrick Donnelly | Son | — | 13 | ~1927 |
| Virginia Donnelly | Daughter | — | 9 | ~1931 |
| Margaret Donnelly | Daughter | — | 11 | ~1929 |
| Margaret Donnelly | Spouse | — | 46 | ~1894 |
Census Appearances
1930
Sedgwick, Colorado
Spouse, age 36
Sedgwick, Colorado · implied b. ~1894 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Donnelly |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Nebraska |
| Age at First Marriage | 19 |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Nebraska |
| Can Read/Write | Yes |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
1940
Sedgwick-County, Colorado
Spouse, age 46
Sedgwick-County, Colorado · implied b. ~1894 — 7 household members
| Surname | Donnelly |
| Given Name | Margaret M |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Nebraska |
| 1935 Residence (City) | 10 V 44 W and 11 N 43 W |
| 1935 Residence (County) | Sedgwick |
| Highest Grade | No H 4 |
| 1935 Residence | Same place |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links Margaret Donnelly across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Margaret Donnelly
Spouse · 1940 · age 46 · b. ~1894 · Colorado
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Sedgwick-County, Colorado
Open full size
1940 US Federal Census — Sedgwick-County, Colorado
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00480-00176)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Keith | 12 | son | — | Wisconsin |
| 2 | Elaine V Keith | 11 | daughter | — | Wisconsin |
| 3 | John Janous | 65 | Head | Farming | Nebraska |
| 4 | Roy D Groves | 55 | Head | Farming | Iowa |
| 5 | Ethel C Groves | 53 | Wife | — | Nebraska |
| 6 | Ralph H O'Connor | 39 | Head | Farming | Nebraska |
| 7 | Irma M O'Connor | 36 | Wife | — | Nebraska |
| 8 | Francis D O'Connor | 12 | son | — | Colorado |
| 9 | Patsy M O'Connor | 11 | daughter | — | Colorado |
| 10 | Richard E O'Connor | 8 | son | — | Colorado |
| 11 | Dona J O'Connor | 5 | daughter | — | Colorado |
| 12 | Jens O Jensen | 53 | Head | Farming | Kansas |
| 13 | B Fern Jensen | 48 | Wife | — | Nebraska |
| 14 | Jens O Jr Jensen | 19 | son | Laborer | Colorado |
| 15 | Jack E Jensen | 17 | son | Laborer | Colorado |
| 16 | Donald P Jensen | 16 | son | — | Colorado |
| 17 | Benjamin F Baker | 39 | Hired man | Laborer | Illinois |
| 18 | Frank E Janous | 49 | Head | Farming | Nebraska |
| 19 | Carrie E Janous | 31 | Wife | — | Nebraska |
| 20 | James E Brogan | 40 | Head | Farming | Nebraska |
| 21 | Helen M Brogan | 37 | Wife | — | Nebraska |
| 22 | Evelyn A Brogan | 10 | daughter | — | Colorado |
| 23 | James E Brogan | 9 | son | — | Colorado |
| 24 | Eleanor M Brogan | 3 | daughter | — | Colorado |
| 25 | William T Brogan | 1 | son | — | Colorado |
| 26 | Christian J Kluth | 54 | Head | Farming | Germany |
| 27 | L Marie Kluth | 49 | Wife | — | Nebraska |
| 28 | John C Kluth | 60 | Head | Farming | Germany |
| 29 | Anna M Kluth | 56 | Sister | — | Germany |
| 30 | Reka H Kluth | 51 | Sister | — | Germany |
| 31 | Gilbert G Hanson | 39 | Head | Farming | Nebraska |
| 32 | Marion Hanson | 43 | Wife | — | Nebraska |
| 33 | John S Donnelly | 51 | Head | Farming | Illinois |
| 34 | Margaret M Donnelly THIS PERSON | 46 | Wife | — | Nebraska |
| 35 | Dennis D Donnelly | 17 | son | Farming | Colorado |
| 36 | Patrick J Donnelly | 13 | son | — | Colorado |
| 37 | Margaret A Donnelly | 11 | daughter | — | Colorado |
| 38 | Virginia R Donnelly | 9 | daughter | — | Colorado |
| 39 | Eugene L Donnelly | 7 | son | — | Colorado |
| 40 | Ellen Donnelly | 82 | Head | — | Irish Free State |
Related Census Records
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)