MN
Margaret Nelson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Margaret Nelson across the 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a spouse (b.~1902), then head of a 30-person household.
Age 38
b. ~1902
Female
Spouse
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Nelson |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Highest Grade | No 2 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1902 |
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.
30 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Nancy Hill | Daughter | — | 8 | ~1932 |
| Mary Glasser | Daughter | — | 16 | ~1924 |
| Catherine Keller | Daughter | — | 25 | ~1915 |
| Nancy Drinkwater | Daughter | — | 18 | ~1922 |
| June Christensen | Daughter | — | 16 | ~1924 |
| Deanna Dosh | Daughter | — | 12 | ~1928 |
| Madeline Keller | Daughter | — | 21 | ~1919 |
| Shirley Hill | Daughter | — | 11 | ~1929 |
| William Searle | Head | — | 67 | ~1873 |
| Ellen Petterson | Other | — | 65 | ~1875 |
| Jessie Rodybush | Other | — | 68 | ~1872 |
| Christian Kern | Other | — | 33 | ~1907 |
| Agnes Daly | Other | — | 68 | ~1872 |
| Geraldine Borsch | Other | — | 14 | ~1926 |
| Gabrielle Keating | Other | — | 4 | ~1936 |
| Anna Daly | Other | — | 40 | ~1900 |
| Helen Kern | Other | — | 37 | ~1903 |
| Katherine Borsch | Other | — | 55 | ~1885 |
| William Freely | Son | — | 14 | ~1926 |
| Robert Miskiv | Son | — | 5 | ~1935 |
| Joseph Miskiv | Son | — | 6 | ~1934 |
| Robert Wall | Son | — | 14 | ~1926 |
| John Keller | Son | — | 23 | ~1917 |
| Alfred Christensen | Son | — | 10 | ~1930 |
| Edward Miskiv | Son | — | 2 | ~1938 |
| Wayne Brandenburg | Son | — | 5 | ~1935 |
| James Freely | Son | — | 19 | ~1921 |
| Richard Hill | Son | — | 3 | ~1937 |
| Emmiline Searle | Spouse | — | 65 | ~1875 |
| Margaret Nelson | Spouse | — | 38 | ~1902 |
Census Appearances
1930
Cook, Illinois
Spouse, age 28
Cook, Illinois · implied b. ~1902 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 27 |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Illinois |
| Occupation | Auditor |
| Industry | Oil Refinery |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Spouse, age 38
Cook-County, Illinois · implied b. ~1902 — 30 household members
| Surname | Nelson |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Highest Grade | No 2 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Nelson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Margaret Nelson
Spouse · 1940 · age 38 · b. ~1902 · Illinois
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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 — Cook-County, Illinois
Open full size
1940 US Federal Census — Cook-County, Illinois
Page Contents
31 people indexed on this census page (nara:1940:m-t0627-00959-00656)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Sora Sadvill | 59 | Aunt | — | Illinois |
| 43 | William Searle | 67 | Head | — | England |
| 44 | Emmiline Searle | 65 | Wife | — | England |
| 46 | Katherine Borsch | 55 | Mother | — | Illinois |
| 47 | Geraldine Borsch | 14 | Sister | — | Illinois |
| 49 | Deanna Dosh | 12 | Daughter | — | Illinois |
| 50 | Shirley Hill | 11 | Daughter | — | Illinois |
| 51 | Nancy Hill | 8 | Daughter | — | Indiana |
| 52 | Richard Hill | 3 | Son | — | Illinois |
| 54 | Wayne Brandenburg | 5 | Son | — | Illinois |
| 55 | Christian Kern | 33 | Brother | Maintainer | Illinois |
| 56 | Helen Kern | 37 | Sister | Laborer | Illinois |
| 57 | Agnes Daly | 68 | Mother | — | Illinois |
| 58 | Anna Daly | 40 | Sister | Office Clerk | Illinois |
| 60 | James Freely | 19 | Son | — | Illinois |
| 61 | William Freely | 14 | Son | — | Illinois |
| 62 | Gabrielle Keating | 4 | Sister | — | Illinois |
| 63 | June Christensen | 16 | Daughter | — | Illinois |
| 64 | Alfred Christensen | 10 | Son | — | Illinois |
| 65 | Ellen Petterson | 65 | Mother | — | Denmark |
| 66 | Jessie Rodybush | 68 | Mother | — | Illinois |
| 67 | Nancy Drinkwater | 18 | Daughter | — | New York |
| 68 | Catherine Keller | 25 | Daughter | — | North Dakota |
| 69 | John Jr Keller | 23 | Son | Laborer | North Dakota |
| 70 | Madeline Keller | 21 | Daughter | Laborer | Illinois |
| 71 | Joseph Miskiv | 6 | Son | — | Illinois |
| 72 | Robert Miskiv | 5 | Son | — | Illinois |
| 73 | Edward Miskiv | 2 | Son | — | Illinois |
| 75 | Margaret Nelson THIS PERSON | 38 | Wife | — | Illinois |
| 77 | Robert Wall | 14 | Son | — | Wisconsin |
| 79 | Mary Jane Glasser | 16 | Daughter | — | Illinois |
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)