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Mary Hartman — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Atchison-County, Missouri
Our Model Tree links this Mary Hartman across the 1930 and 1940 US Censuses in Atchison-County, Missouri (XGBoost, ~Confirmed) — first a daughter (b.~1926), then head of a 10-person household.
Age 14
b. ~1926
Female
Daughter
Born: Missouri
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Atchison-County, Missouri |
| Surname | Hartman |
| Given Name | Mary A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Nishnabotna Twp |
| 1935 Residence (County) | Atchison |
| Additional Details | |
| Occupation | Farm Laborer |
| Industry | Farm |
| Class of Worker | NP |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Occupation | Farm Laborer |
| Township / Ward | Nishnabotna Twp |
| Est. Birth Year | ~1926 |
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 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Dorothy Hartman | Daughter | — | 2 | ~1938 |
| Wilma Hartman | Daughter | — | 6 | ~1934 |
| Helen Hartman | Daughter | — | 12 | ~1928 |
| Mary Hartman | Daughter | — | 14 | ~1926 |
| Dick Hartman | Head | — | 40 | ~1900 |
| Donald Hartman | Son | — | 4 | ~1936 |
| Billy Hartman | Son | — | 11 | ~1929 |
| John Hartman | Son | — | 9 | ~1931 |
| Raymond Hartman | Son | — | 16 | ~1924 |
| Velma Hartman | Spouse | — | 33 | ~1907 |
Census Appearances
1930
Atchison, Missouri
Daughter, age 4
Atchison, Missouri · implied b. ~1926 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hartman |
| Given Name | Mary A |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Iowa |
| Occupation | none |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Atchison-County, Missouri
Daughter, age 14
Atchison-County, Missouri · implied b. ~1926 — 10 household members
| Surname | Hartman |
| Given Name | Mary A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Nishnabotna Twp |
| 1935 Residence (County) | Atchison |
| Occupation | Farm Laborer |
| Industry | Farm |
| Class of Worker | NP |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
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.
Show:
This person
Anchor record
Mary Hartman
Daughter · 1940 · age 14 · b. ~1926 · Missouri
★ You are viewing this record
Sibling
Raymond Hartman
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Wilma Hartman
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Hartman
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Hartman
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Billy Hartman
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Hartman
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Hartman
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Atchison-County, Missouri
Open full size
1940 US Federal Census — Atchison-County, Missouri
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02082-00248)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mary J. Gound | 25 | Wife | Housewife | Missouri |
| 42 | Jesse D. Hays | 52 | Head | Farmer | Missouri |
| 43 | Elizabeth Hays | 54 | Wife | — | Iowa |
| 44 | Robert D. Hays | 25 | Son | Coconut Man | Missouri |
| 45 | Harold G. Hays | 20 | Son | Clerk | Missouri |
| 46 | Lois Hays | 18 | Daughter | — | Missouri |
| 47 | Mary Margaret Hays | 15 | Daughter | — | Missouri |
| 48 | Joan Hays | 11 | Daughter | — | Missouri |
| 49 | Eva Frude | 55 | Mother | — | Iowa |
| 50 | Beryl L. O. Frude | 22 | Head | Farmer | Iowa |
| 51 | Carl J. Frude | 20 | Brother | Farm Laborer | Missouri |
| 52 | Juanita Frude | 15 | Sister | — | Missouri |
| 53 | Irma C. Frude | 68 | Aunt | — | Missouri |
| 54 | Orville B. Bateman | 37 | Head | Farm Manager | Missouri |
| 55 | Iva C. Bateman | 37 | Wife | — | Missouri |
| 56 | Duain F. Bateman | 16 | Son | — | Missouri |
| 57 | Doris L. Bateman | 14 | Daughter | — | Missouri |
| 58 | Kenneth W. Bateman | 3 | Son | — | Iowa |
| 59 | John C. Ellison | 75 | Head | Farmer | Missouri |
| 60 | Bernice N. Ellison | 47 | Wife | — | Missouri |
| 61 | June Rankin | 42 | Boarder | Teacher | Missouri |
| 62 | Geo V. Peters | 46 | Head | Carpenter | Missouri |
| 63 | Timothy A. Whalen | 39 | Head | Farmer | Missouri |
| 64 | Annie N. Whalen | 68 | Mother | — | Missouri |
| 65 | Bernice N. Whalen | 41 | Sister | — | Missouri |
| 66 | John H. Hartman | 51 | Head | Farmer | Tennessee |
| 67 | Ella C. Hartman | 40 | Wife | — | Tennessee |
| 68 | Ruth M. Hartman | 6 | Daughter | — | Missouri |
| 69 | Charles Smith | 18 | Hired hand | Farm Laborer | Missouri |
| 70 | Dick Hartman | 40 | Head | Farmer | Tennessee |
| 71 | Velma M. Hartman | 33 | Wife | — | Missouri |
| 72 | Raymond L. Hartman | 16 | Son | Farm Laborer | Missouri |
| 73 | Mary A. Hartman THIS PERSON | 14 | Daughter | Farm Laborer | Missouri |
| 74 | Helen M. Hartman | 12 | Daughter | — | Missouri |
| 75 | Billy J. Hartman | 11 | Son | — | Missouri |
| 76 | John R. Hartman | 9 | Son | — | Missouri |
| 77 | Wilma J. Hartman | 6 | Daughter | — | Missouri |
| 78 | Donald L. Hartman | 4 | Son | — | Missouri |
| 79 | Dorothy D. Hartman | 2 | Daughter | — | Missouri |
| 80 | Robert J. Thomas | 60 | Head | Farmer | Tennessee |
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)