MP
Mary Palmer — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cass-County, North Dakota
Our Model Tree links this Mary Palmer across the 1930 and 1940 US Censuses in Cass-County, North Dakota (XGBoost, ~Confirmed) — first a daughter (b.~1926), then head of a 10-person household.
Age 14
b. ~1926
Female
Daughter
Born: North Dakota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cass-County, North Dakota |
| Surname | Palmer |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | North Dakota |
| 1935 Residence (City) | Fargo city |
| 1935 Residence (County) | Cass |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | Yes 8 |
| 1935 Residence | Same Place |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
| Township / Ward | Fargo City |
| 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 |
|---|---|---|---|---|
| Mary Palmer | Daughter | — | 14 | ~1926 |
| Hazel Palmer | Daughter | — | 17 | ~1923 |
| Lulu Palmer | Daughter | — | 11 | ~1929 |
| Charles Palmer | Head | — | 57 | ~1883 |
| Robert Palmer | Son | — | 16 | ~1924 |
| Ray Palmer | Son | — | 20 | ~1920 |
| Lyle Palmer | Son | — | 5 | ~1935 |
| Charles Palmer | Son | — | 9 | ~1931 |
| Aldon Palmer | Son | — | 10 | ~1930 |
| Emily Palmer | Spouse | — | 45 | ~1895 |
Census Appearances
1930
Cass, North …
Daughter, age 3
Cass, North Dakota · implied b. ~1927 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Palmer |
| Given Name | Mae D. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | North Dakota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | North Dakota |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
1940
Cass-County, North …
Daughter, age 14
Cass-County, North Dakota · implied b. ~1926 — 10 household members
| Surname | Palmer |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | North Dakota |
| 1935 Residence (City) | Fargo city |
| 1935 Residence (County) | Cass |
| Class of Worker | 0 |
| Highest Grade | Yes 8 |
| 1935 Residence | Same Place |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
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 Palmer across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Palmer
Daughter · 1940 · age 14 · b. ~1926 · North Dakota
★ You are viewing this record
Sibling
Charles Palmer
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hazel Palmer
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Aldon Palmer
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lulu Palmer
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ray Palmer
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lyle Palmer
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Palmer
Sibling · 1940 · age 16
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 — Cass-County, North Dakota
Open full size
1940 US Federal Census — Cass-County, North Dakota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02996-00805)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Kate S. Wilder | 64 | Head | — | Pennsylvania |
| 2 | Vera Eerde Wilder | 41 | Daughter | — | Pennsylvania |
| 3 | Charles Palmer | 57 | Head | — | Minnesota |
| 4 | Emily P. Palmer | 45 | Wife | — | North Dakota |
| 5 | Ray Palmer | 20 | Son | Laborer | North Dakota |
| 6 | Hazel Palmer | 17 | Daughter | Waitress | North Dakota |
| 7 | Robert Palmer | 16 | Son | — | North Dakota |
| 8 | Mary Palmer THIS PERSON | 14 | Daughter | — | North Dakota |
| 9 | Lulu Palmer | 11 | Daughter | — | North Dakota |
| 10 | Aldon Palmer | 10 | Son | — | North Dakota |
| 11 | Charles Jr. Palmer | 9 | Son | — | North Dakota |
| 12 | Lyle Palmer | 5 | Son | — | North Dakota |
| 13 | George Brown | 77 | Head | — | New York |
| 14 | Jessie Brown | 67 | Wife | — | Canada-English |
| 15 | Marjorie Peterson | 16 | Granddaughter | — | Minnesota |
| 16 | Anna O. Simonson | 57 | Head | — | Wisconsin |
| 17 | Jean Simonson | 25 | Daughter | — | North Dakota |
| 18 | Catherine Simonson | 22 | Daughter | Operator | North Dakota |
| 19 | Clara Hilgers | 28 | Lodger | Special Nurse | North Dakota |
| 20 | Elizabeth Bentzli | 29 | Lodger | Special Nurse | North Dakota |
| 21 | David Smith | 33 | Head | Assistant Manager | Pennsylvania |
| 22 | Alice O. Smith | 33 | Wife | — | Arkansas |
| 23 | James Smith | 1 | Son | — | Michigan |
| 24 | James H. Mchose | 36 | Head | Manager | Minnesota |
| 25 | Neva Mchose | 33 | Wife | — | North Dakota |
| 26 | Jean Mchose | 13 | Daughter | — | North Dakota |
| 27 | James Mchose | 3 | Son | — | North Dakota |
| 28 | May O. Hayden | 65 | Mother-in-law | — | New York |
| 29 | George Mchose | 34 | Head | Manager | Minnesota |
| 30 | Margaret D. Mchose | 26 | Wife | — | North Dakota |
| 31 | Hamilton Gillespie | 34 | Head | Speculator | Iowa |
| 32 | Charlotte Gillespie | 30 | Wife | — | Nebraska |
| 33 | Richard Gillespie | 9 | Son | — | Iowa |
| 34 | Joan Gillespie | 6 | Daughter | — | Iowa |
| 35 | Michael Gillespie | 5 | Son | — | Iowa |
| 36 | Bernard Sinner | 32 | Head | Surgeon | North Dakota |
| 37 | Monica O. Sinner | 28 | Wife | — | Missouri |
| 38 | Patrick Sinner | 3 | Son | — | North Dakota |
| 39 | Amelia Johnson | 21 | Maid | — | North Dakota |
| 40 | Roy Thompson | 48 | Head | Salesman | 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)