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Mary Donovan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · St.-Louis-County, Minnesota
Our Model Tree links this Mary Donovan across the 1920, 1930 and 1940 US Censuses in St.-Louis-County, Minnesota (XGBoost, ~Confirmed) — first a spouse (b.~1896), then head of a 3-person household.
Age 44
b. ~1896
Female
Spouse
Born: Wisconsin
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Louis-County, Minnesota |
| Surname | Donovan |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| 1935 Residence (City) | City of Duluth |
| 1935 Residence (County) | St. Louis |
| Additional Details | |
| Highest Grade | Hs 1 |
| 1935 Residence | Same place |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
| Township / Ward | City Of Duluth |
| Est. Birth Year | ~1896 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Donovan | Daughter | — | 17 | ~1923 |
| Joseph Donovan | Head | — | 47 | ~1893 |
| Mary Donovan | Spouse | — | 44 | ~1896 |
Census Appearances
1920
St Louis, …
Spouse, age 23
St Louis, Minnesota · implied b. ~1897 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Donovan |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| Father's Birthplace | United States |
| Mother's Birthplace | United States |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1930
St Louis, …
Spouse, age 34
St Louis, Minnesota · implied b. ~1896 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Donovan |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| Age at First Marriage | 20 |
| Father's Birthplace | Austria |
| Mother's Birthplace | Austria |
| Can Read/Write | Yes |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1940
St.-Louis-County, Minnesota
Spouse, age 44
St.-Louis-County, Minnesota · implied b. ~1896 — 3 household members
| Surname | Donovan |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| 1935 Residence (City) | City of Duluth |
| 1935 Residence (County) | St. Louis |
| Highest Grade | Hs 1 |
| 1935 Residence | Same place |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
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 Mary Donovan across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Donovan
Spouse · 1940 · age 44 · b. ~1896 · Minnesota
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — St.-Louis-County, Minnesota
Open full size
1940 US Federal Census — St.-Louis-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01974-00075)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | James Halvorson | 72 | Head | — | Minnesota |
| 42 | John A. Miller | 56 | Head | Photo Finisher | Sweden |
| 43 | Annette Miller | 57 | Wife | Developer | Norway |
| 44 | Harvey P. Miller | 30 | Son | Machinist | Minnesota |
| 45 | Hulda M. Miller | 55 | Head | Proprietor | Sweden |
| 46 | Joseph L. Donovan | 47 | Head | Salesman | Michigan |
| 47 | Mary Donovan THIS PERSON | 44 | Wife | — | Wisconsin |
| 48 | Mary K. Donovan | 17 | Daughter | — | Minnesota |
| 49 | James H. Ryde | 45 | Head | Social Worker | Illinois |
| 50 | Helen M. Ryde | 43 | Wife | — | Minnesota |
| 51 | Alex E. Modear | 29 | Head | Linesman | Sweden |
| 52 | Anne Modear | 26 | Wife | — | Minnesota |
| 53 | Ronald Modear | 1 | Son | — | Minnesota |
| 54 | Clara Jensen | 76 | Head | — | Norway |
| 55 | Delia Brossard | 52 | Head | — | Minnesota |
| 56 | Louise Brossard | 34 | Daughter | — | Minnesota |
| 57 | Anna (Ab) Brossard | 31 | Daughter | — | Minnesota |
| 58 | Hubert Brossard | 30 | Son | Salesman | Minnesota |
| 59 | Pauline Brossard | 28 | Daughter | Stenographer | Minnesota |
| 60 | Edward Brossard | 26 | Son | Rod Man | Minnesota |
| 61 | Edward Kashinski | 64 | Head | — | Poland |
| 62 | Tillie Kashinski | 60 | Wife | — | Poland |
| 63 | Claire Kashinski | 27 | Daughter | Operator | Minnesota |
| 64 | Roger Jones | 32 | Head | Teacher | Illinois |
| 65 | Crystal Jones | 32 | Wife | Teacher | Minnesota |
| 66 | William Moore | 73 | Head | Yard Foreman | Canada-English |
| 67 | Anna Moore | 71 | Wife | — | Wisconsin |
| 68 | William Moore | 34 | Son | Asst. Lineman | Minnesota |
| 69 | Hildage De Roche | 68 | Head | — | Canada-French |
| 70 | Clotilda De Roche | 66 | Wife | — | Minnesota |
| 71 | Clarke Dorothy De Roche | 22 | Grand daughter | Credit Reporter By Phone | Minnesota |
| 72 | Donald T. Mac Millan | 25 | Head | Manager | Minnesota |
| 73 | Dorothy Mac Millan | 24 | Wife | Salesgirl | Minnesota |
| 74 | Gerald Mac Millan | 2 | Son | — | Minnesota |
| 75 | Melvin C. Carlson | 33 | Head | Service Man | Minnesota |
| 76 | Katheryn Carlson | 29 | Wife | — | New Jersey |
| 77 | James Carlson | 1 | Son | — | Minnesota |
| 78 | Herbert Callies | 30 | Head | Painter | Germany |
| 79 | Barbara Callies | 23 | Wife | — | North Dakota |
| 80 | Melvin Callies | 1 | Son | — | Minnesota |
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)