AM
Anna Mcdonald — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Anna Mcdonald across the 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a spouse (b.~1891), then head of a 6-person household.
Age 49
b. ~1891
Female
Spouse
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | McDonald |
| Given Name | Anna |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Highest Grade | 8 |
| 1935 Residence | Same house |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Chicago |
| Est. Birth Year | ~1891 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Anna | Age | Birth yr |
|---|---|---|---|---|
| Raymond Mcdonald | Son | — | 18 | ~1922 |
| Mary Mcdonald | Daughter | — | 12 | ~1928 |
| Anna Mcdonald | Spouse | — | 49 | ~1891 |
| Barrett Mcdonald | Son | — | 17 | ~1923 |
| Betty Mcdonald | Daughter | — | 14 | ~1926 |
| Walter Mcdonald | Head | — | 49 | ~1891 |
Census Appearances
1930
Cook, Illinois
Spouse, age 37
Cook, Illinois · implied b. ~1893 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McDonald |
| Given Name | Anna |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 20 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Spouse, age 49
Cook-County, Illinois · implied b. ~1891 — 6 household members
| Surname | McDonald |
| Given Name | Anna |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Highest Grade | 8 |
| 1935 Residence | Same house |
| 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 Anna Mcdonald across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Anna Mcdonald
Spouse · 1940 · age 49 · b. ~1891 · 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
39 people indexed on this census page (nara:1940:m-t0627-00994-00791)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Isabelle O'Donald | 21 | Daughter | Operator | Illinois |
| 2 | Peter Guion | 64 | Head | Laborer | Ireland |
| 3 | Bridget Guion | 63 | Wife | — | Ireland |
| 4 | John F. Guion | 33 | Son | Nurse | Illinois |
| 5 | Marion A. Guion | 31 | Daughter | Clerk | Illinois |
| 6 | Dorothy E. Guion | 21 | Daughter | Operator | Illinois |
| 7 | Frances B. Guion | 19 | Daughter | Operator | Illinois |
| 8 | Kenneth Carlman | 30 | Head | Linotype Operator | Illinois |
| 9 | Margaret Carlman | 26 | Wife | — | Minnesota |
| 10 | Leonard Carlman | 9 | Son | — | Illinois |
| 11 | Robert Carlman | 6 | Son | — | Illinois |
| 12 | Walter Mcdonald | 49 | Head | Clerk - Head | Illinois |
| 13 | Anna Mcdonald THIS PERSON | 49 | Wife | — | Illinois |
| 14 | Raymond Mcdonald | 18 | Son | — | Illinois |
| 15 | Barrett Mcdonald | 17 | Son | — | Illinois |
| 16 | Betty Ann Mcdonald | 14 | Daughter | — | Illinois |
| 17 | Mary Ellen Mcdonald | 12 | Daughter | — | Illinois |
| 18 | Bernard Mcnichols | 36 | Head | Office Manager | Illinois |
| 19 | Mary Mcnichols | 36 | Wife | — | Illinois |
| 20 | Joan Mcnichols | 9 | Daughter | — | Illinois |
| 21 | Bernard Jr. Mcnichols | 6 | Son | — | Illinois |
| 22 | Paul A. Patzke | 56 | Head | Proprietor | Illinois |
| 23 | Grace Patzke | 50 | Wife | — | Illinois |
| 24 | Hazel Gurniak | 44 | Sister-in-law | Packer | Illinois |
| 25 | Edward Gurniak | 14 | Nephew | — | Illinois |
| 26 | Ralph Campbell | 36 | Head | Re-Order Clerk | Illinois |
| 27 | Blanche Campbell | 34 | Wife | — | Illinois |
| 28 | Warren Campbell | 10 | Son | — | Illinois |
| 29 | Janet Campbell | 7 | Daughter | — | Illinois |
| 30 | Fred Gertz | 53 | Head | Glazier | Illinois |
| 31 | Louie Gertz | 51 | Wife | — | Illinois |
| 32 | Gladys Gertz | 29 | Daughter | Stenographer | Illinois |
| 33 | Lawrence Gertz | 23 | Son | Laborer | Illinois |
| 34 | Wilbert Gertz | 21 | Son | Laborer | Illinois |
| 35 | Sam Lazzonetta | 42 | Head | Butcher | Italy |
| 36 | Margaret Lazzonetta | 32 | Wife | — | Illinois |
| 37 | John Lazzonetta | 14 | Son | — | Illinois |
| 38 | Richard Lazzonetta | 8 | Son | — | Illinois |
| 39 | Sylvia Ann Lazzonetta | 3 | 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)