MZ
Mary Zimmerman — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Dawson-County, Nebraska
Our Model Tree links this Mary Zimmerman across the 1920, 1930 and 1940 US Censuses in Dawson-County, Nebraska (XGBoost, ~Confirmed) — first a spouse (b.~1862), then head of a 6-person household.
Age 78
b. ~1862
Female
Spouse
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Dawson-County, Nebraska |
| Surname | Zimmerman |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 78 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Ringold Precinct |
| 1935 Residence (County) | Dawson |
| Additional Details | |
| Occupation | Farming |
| Industry | Farm |
| Class of Worker | OA |
| Income (1939) | 0 |
| Highest Grade | No 2 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Farming |
| Township / Ward | Ringold Precinct |
| Est. Birth Year | ~1862 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Hans Zimmerman | Head | — | 74 | ~1866 |
| Robert Zimmerman | Other | — | 10 | ~1930 |
| Felicia Zimmerman | Other | — | 3 | ~1937 |
| Pauline Zimmerman | Other | — | 33 | ~1907 |
| Paul Zimmerman | Son | — | 41 | ~1899 |
| Mary Zimmerman | Spouse | — | 78 | ~1862 |
Census Appearances
1920
Dawson, Nebraska
Spouse, age 58
Dawson, Nebraska · implied b. ~1862 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Zimmerman |
| Given Name | Mary E |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 58 |
| Marital Status | Married |
| Birthplace | Iowa |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Dawson, Nebraska
Spouse, age 68
Dawson, Nebraska · implied b. ~1862 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Zimmerman |
| Given Name | Mary E |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 68 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 30 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Dawson-County, Nebraska
Spouse, age 78
Dawson-County, Nebraska · implied b. ~1862 — 6 household members
| Surname | Zimmerman |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 78 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Ringold Precinct |
| 1935 Residence (County) | Dawson |
| Occupation | Farming |
| Industry | Farm |
| Class of Worker | OA |
| Income (1939) | 0 |
| Highest Grade | No 2 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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 Zimmerman 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 Zimmerman
Spouse · 1940 · age 78 · b. ~1862 · Nebraska
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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 — Dawson-County, Nebraska
Open full size
1940 US Federal Census — Dawson-County, Nebraska
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02243-01087)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Janet Gruber | 2 | Daughter | — | Nebraska |
| 42 | John Anderson | 63 | Hired man | Farm Labor | Missouri |
| 43 | Paul Liedle | 39 | Head | Farming | Germany |
| 44 | Leo Neil | 50 | Head | Farming | Nebraska |
| 45 | Ealat Neil | 51 | Wife | — | Kansas |
| 46 | Noval Neil | 24 | Son | Farming | Florida |
| 47 | Ruth Duise | 20 | Hired Girl | House Work | Nebraska |
| 48 | Fred Rittgarn | 29 | Head | Farm Labor | Nebraska |
| 49 | Mildred Rittgarn | 28 | Wife | — | Nebraska |
| 50 | Larry Rittgarn | 4 | Son | — | Nebraska |
| 51 | Gerald Rittgarn | 27 | Brother | Farm Labor | Nebraska |
| 52 | August Hahn | 70 | Head | Farming | Nebraska |
| 53 | Vernon Jolliffe | 24 | Head | Section Labor | Nebraska |
| 54 | Doris Jolliffe | 19 | Wife | — | Nebraska |
| 55 | Kathleen Jolliffe | 0 | Daughter | — | Nebraska |
| 56 | Hans Zimmerman | 74 | Head | — | Germany |
| 57 | Mary Zimmerman THIS PERSON | 78 | Wife | Farming | Iowa |
| 58 | Paul Zimmerman | 41 | Son | — | Nebraska |
| 59 | Pauline Zimmerman | 33 | Daughter in law | — | Nebraska |
| 60 | Robert Zimmerman | 10 | Grand son | — | Nebraska |
| 61 | Felicia Zimmerman | 3 | Grand Daughter | — | Nebraska |
| 62 | Wayne Coons | 26 | Head | Farming | Nebraska |
| 63 | Lael Coons | 23 | Wife | — | Nebraska |
| 64 | Barbara A Coons | 1 | Daughter | — | Nebraska |
| 65 | Miles H Kinch | 76 | Head | — | Michigan |
| 66 | Ruth Kinch | 60 | Wife | — | Illinois |
| 67 | Lawrence Kinch | 30 | Son | Farming | Nebraska |
| 68 | Donald Kinch | 27 | Son | — | Nebraska |
| 69 | Carol Kinch | 21 | Daughter | — | Nebraska |
| 70 | Charles Mcgrow | 33 | Head | Farm Labor | Nebraska |
| 71 | Eunice Mcgrow | 28 | Wife | — | Nebraska |
| 72 | Peggy Joyce Mcgrow | 3 | Daughter | — | Nebraska |
| 73 | John Linn | 44 | Head | Farming | Kansas |
| 74 | Stella Linn | 46 | Wife | — | Nebraska |
| 75 | Dean Linn | 8 | Son | — | Nebraska |
| 76 | Eugene Cochran | 38 | Head | Farming | Kansas |
| 77 | Clara Cochran | 36 | Wife | — | Nebraska |
| 78 | Eunice Cochran | 11 | Daughter | — | Nebraska |
| 79 | Dorothy Cochran | 9 | Daughter | — | Nebraska |
| 80 | Eugene Jr Cochran | 7 | Son | — | Nebraska |
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)