MC
Margaret Campbell — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Winnebago-County, Illinois
Our Model Tree links this Margaret Campbell across the 1920, 1930 and 1940 US Censuses in Winnebago-County, Illinois (XGBoost, ~Confirmed) — first a spouse (b.~1900), then head of a 7-person household.
Age 40
b. ~1900
Female
Spouse
Born: Scotland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Winnebago-County, Illinois |
| Surname | Campbell |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Rockford City |
| 1935 Residence (County) | Winnebago |
| Naturalization Status | Naturalized |
| Additional Details | |
| Highest Grade | H-1 |
| 1935 Residence | Same place |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
| Township / Ward | Rockford City |
| Est. Birth Year | ~1900 |
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 |
|---|---|---|---|---|
| Margaret Campbell | Daughter | — | 18 | ~1922 |
| Agnes Campbell | Daughter | — | 18 | ~1922 |
| Hal Campbell | Head | — | 40 | ~1900 |
| Agnes Oliver | Other | — | 64 | ~1876 |
| Ian Campbell | Son | — | 21 | ~1919 |
| Willie Campbell | Son | — | 14 | ~1926 |
| Margaret Campbell | Spouse | — | 40 | ~1900 |
Census Appearances
1920
Winnebago, Illinois
Other, age 20
Winnebago, Illinois · implied b. ~1900 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | Margaret |
| Relationship to Head | Lodger |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Married |
| Birthplace | Scotland |
| Year of Immigration | 1911 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Scotland |
| Mother's Birthplace | England |
| Occupation | Housekeeper |
| Industry | Private home |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Scotch |
| Birth Country | Scotland |
| Year of Naturalization | 1917 |
| Birthplace (normalized) | scotland |
1930
Winnebago, Illinois
Other, age 30
Winnebago, Illinois · implied b. ~1900 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | Margaret |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Scotland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1911 |
| Age at First Marriage | 19 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | England |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1940
Winnebago-County, Illinois
Spouse, age 40
Winnebago-County, Illinois · implied b. ~1900 — 7 household members
| Surname | Campbell |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Rockford City |
| 1935 Residence (County) | Winnebago |
| Naturalization Status | Naturalized |
| Highest Grade | H-1 |
| 1935 Residence | Same place |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
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 Campbell across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Margaret Campbell
Spouse · 1940 · age 40 · b. ~1900 · 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 — Winnebago-County, Illinois
Open full size
1940 US Federal Census — Winnebago-County, Illinois
Page Contents
35 people indexed on this census page (nara:1940:m-t0627-00914-00464)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Lemuel Bartholomew | 35 | Head | Salesman | Illinois |
| 2 | Florence Bartholomew | 37 | Wife | — | Illinois |
| 3 | Donald Bartholomew | 14 | Son | — | Illinois |
| 4 | Shirley Bartholomew | 9 | Daughter | — | Illinois |
| 5 | Arthur Van Laeke | 51 | Head | Knitter | Belgium |
| 6 | Odile Van Laeke | 52 | Wife | — | Belgium |
| 7 | Margaret Van Laeke | 19 | Daughter | Looper | Wisconsin |
| 8 | Goldie Van Laeke | 13 | Daughter | — | Illinois |
| 10 | Hal Campbell | 40 | Head | Police Officer | Illinois |
| 11 | Margaret Campbell THIS PERSON | 40 | Wife | — | Scotland |
| 12 | Ian Campbell | 21 | Son | — | Illinois |
| 13 | Agnes Campbell | 18 | Daughter | Clerk Office | Illinois |
| 14 | Margaret Campbell | 18 | Daughter | — | Illinois |
| 15 | Willie Campbell | 14 | Son | — | Illinois |
| 16 | Agnes Oliver | 64 | Mother-in-law | — | Scotland |
| 18 | Leslie A. May | 40 | Head | Store Manager | Missouri |
| 19 | Hattie B. May | 35 | Wife | — | Wisconsin |
| 20 | Robert May | 14 | Son | — | Wisconsin |
| 21 | Susan May | 2 | Daughter | — | Illinois |
| 22 | Richard May | 1 | Son | — | Illinois |
| 24 | George Jr. Holcomb | 31 | Head | Laborer | Illinois |
| 25 | Mabel Holcomb | 31 | Wife | — | Illinois |
| 26 | Beverly Holcomb | 4 | Daughter | — | Illinois |
| 27 | Larry Holcomb | 1 | Son | — | Illinois |
| 28 | Michael James | 60 | Father-in-law | Laborer | Ohio |
| 30 | Donald Foster | 39 | Head | Contractor | Minnesota |
| 31 | Yvonne Foster | 36 | Wife | — | Illinois |
| 32 | Don Foster | 14 | Son | — | Iowa |
| 33 | Dale Foster | 12 | Son | — | Illinois |
| 34 | Marlene Foster | 4 | Daughter | — | Illinois |
| 36 | Joseph Brewster | 24 | Head | Machinist | Illinois |
| 37 | Virginia Brewster | 21 | Wife | Beamer | Illinois |
| 38 | George Brewster | 61 | Head | Janitor | Illinois |
| 39 | Hattie Brewster | 53 | Wife | — | Illinois |
| 40 | Janet Brewster | 20 | Daughter | Inspector | 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)