MH
Mary Hartman — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Morton, North Dakota
Our Model Tree links this Mary Hartman across the 1930 and 1940 US Censuses in Morton, North Dakota (XGBoost, ~Confirmed) — first a spouse (b.~1894), then head of a 10-person household.
Age 36
b. ~1894
Female
Spouse
Born: Russia
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Morton, North Dakota |
| Surname | Hartman |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Russia |
| Naturalization Status | Naturalized |
| Year of Immigration | 1907 |
| Age at First Marriage | 23 |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Additional Details | |
| Can Read/Write | Yes |
| Mother Tongue | German |
| Birth Country | Russia |
| Birthplace (normalized) | russia |
| Township / Ward | Digby Township |
| Est. Birth Year | ~1894 |
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.
10 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Martha Hartman | Daughter | — | 3 | ~1927 |
| Ester Hartman | Daughter | — | 6 | ~1924 |
| Hilda Hartman | Daughter | — | 8 | ~1922 |
| Anne Hartman | Daughter | — | 5 | ~1925 |
| Ella Hartman | Daughter | — | 12 | ~1918 |
| Henry Hartman | Head | — | 44 | ~1886 |
| Albert Hartman | Son | — | 10 | ~1920 |
| Walter Hartman | Son | — | 9 | ~1921 |
| Henry Hartman | Son | — | 2 | ~1928 |
| Mary Hartman | Spouse | — | 36 | ~1894 |
Census Appearances
1930
Morton, North …
Spouse, age 36
Morton, North Dakota · implied b. ~1894 — 10 household members
| Surname | Hartman |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Russia |
| Naturalization Status | Naturalized |
| Year of Immigration | 1907 |
| Age at First Marriage | 23 |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Can Read/Write | Yes |
| Mother Tongue | German |
| Birth Country | Russia |
| Birthplace (normalized) | russia |
1940
Morton-County, North …
Spouse, age 45
Morton-County, North Dakota · implied b. ~1895 — 14 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hartman |
| Given Name | Marie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Russia |
| 1935 Residence (City) | Township 140-89 |
| 1935 Residence (County) | Morton |
| Naturalization Status | Naturalized |
| Class of Worker | 0 |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth Country | Russia |
| Birthplace (normalized) | russia |
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 Hartman across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Hartman
Spouse · 1930 · age 36 · b. ~1894 · North Dakota
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Morton, North Dakota
Open full size
1930 US Federal Census — Morton, North Dakota
Page Contents
49 people indexed on this census page (ia:1930:15thcensus1739unit:0057)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Frieda Zimmerman | 18 | Daughter | — | North Dakota |
| 52 | Orlo Zimmerman | 5 | Son | — | Montana |
| 53 | Clara Behrend | 28 | Head | — | Minnesota |
| 54 | William Behrend | 29 | Head | Servant | North Dakota |
| 55 | Alma Behrend | 28 | Wife | Laborer | North Dakota |
| 56 | Willard Behrend | 7 | Son | — | North Dakota |
| 57 | Donald Behrend | 4 | Son | — | North Dakota |
| 58 | Vernon Meis | 25 | Head | Farmer | Germany |
| 59 | Helen Meis | 20 | Wife | — | Hungary |
| 60 | Vernetta Meis | 18 | Daughter | — | North Dakota |
| 61 | Oscar Meis | 15 | Son | — | North Dakota |
| 62 | Carl Meis | 13 | Son | — | North Dakota |
| 63 | Henry Hartman | 44 | Head | Farmer | North Dakota |
| 64 | Mary Hartman THIS PERSON | 36 | Wife | — | Russia |
| 65 | Ella Hartman | 12 | Daughter | — | North Dakota |
| 66 | Albert Hartman | 10 | Son | — | North Dakota |
| 67 | Walter Hartman | 9 | Son | — | North Dakota |
| 68 | Hilda Hartman | 8 | Daughter | — | North Dakota |
| 69 | Ester Hartman | 6 | Daughter | — | North Dakota |
| 70 | Anne Hartman | 5 | Daughter | — | North Dakota |
| 71 | Martha Hartman | 3 | Daughter | — | North Dakota |
| 72 | Henry Hartman | 2 | Son | — | North Dakota |
| 73 | Christ Zuck | 47 | Head | — | Russia |
| 74 | Olive Lehman | 26 | Servant | Laborer | North Dakota |
| 75 | Arthur Engelhardt | 38 | Head | Servant | North Dakota |
| 76 | Ida Engelhardt | 29 | Wife | Farmer | North Dakota |
| 77 | Cora B. Engelhardt | 3 | Daughter | — | North Dakota |
| 78 | Wesley Engelhardt | 2 | Son | — | North Dakota |
| 79 | Engelhardt | 1 | Son | — | North Dakota |
| 80 | Ruth Schrenk | 22 | Boarder | Teacher | North Dakota |
| 81 | William Gutzen | 37 | Head | Farmer | North Dakota |
| 82 | Anne Gutzen | 31 | Wife | — | North Dakota |
| 83 | Maryann Gutzen | 7 | Daughter | — | North Dakota |
| 84 | William Gutzen | 5 | Son | — | North Dakota |
| 85 | Robert P. Gutzen | 1 | Son | — | North Dakota |
| 86 | Edward Nagel | 21 | Boarder | Farmer | North Dakota |
| 87 | Mike Kronberger | 37 | Head | Farmer | Germany |
| 88 | Barbara Kronberger | 31 | Wife | — | Germany |
| 89 | Joseph Kronberger | 15 | Son | — | Minnesota |
| 90 | Nick Kronberger | 13 | Son | — | North Dakota |
| 91 | Anna Kronberger | 10 | Daughter | — | North Dakota |
| 92 | Barbara Kronberger | 9 | Daughter | — | North Dakota |
| 93 | Mike Kronberger | 5 | Son | — | North Dakota |
| 94 | Ida Kronberger | 3 | Daughter | — | North Dakota |
| 95 | Peter Meisner | 36 | Head | Farmer | North Dakota |
| 96 | Ida Meisner | 32 | Wife | — | Iowa |
| 97 | Raymond Meisner | 12 | Son | — | North Dakota |
| 98 | Florence Meisner | 10 | Daughter | — | North Dakota |
| 99 | Helen Meisner | 9 | Daughter | — | North Dakota |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)