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Bertha Walker — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Roseau-County, Minnesota
Our Model Tree links this Bertha Walker across the 1930 and 1940 US Censuses in Roseau-County, Minnesota (XGBoost, ~Confirmed) — first a daughter (b.~1928), then head of a 8-person household.
Age 12
b. ~1928
Female
Daughter
Born: Minnesota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Roseau-County, Minnesota |
| Surname | Walker |
| Given Name | Bertha M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Township 161 Range 35 |
| 1935 Residence (County) | Roseau |
| Additional Details | |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Township / Ward | Township 161 Range 35 |
| Est. Birth Year | ~1928 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Bertha | Age | Birth yr |
|---|---|---|---|---|
| Bertha Walker | Daughter | — | 12 | ~1928 |
| Lloyd Walker | Son | — | 16 | ~1924 |
| Sylvester Walker | Head | — | 53 | ~1887 |
| Rodney Walker | Son | — | 2 | ~1938 |
| Olive Walker | Spouse | — | 44 | ~1896 |
| Isabel Walker | Daughter | — | 4 | ~1936 |
| Pearl Walker | Daughter | — | 9 | ~1931 |
| Ralph Walker | Son | — | 7 | ~1933 |
Census Appearances
1930
Roseau, Minnesota
Daughter, age 3
Roseau, Minnesota · implied b. ~1927 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Walker |
| Given Name | Bertha M |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | North Dakota |
| Mother's Birthplace | Iowa |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Roseau-County, Minnesota
Daughter, age 12
Roseau-County, Minnesota · implied b. ~1928 — 8 household members
| Surname | Walker |
| Given Name | Bertha M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Township 161 Range 35 |
| 1935 Residence (County) | Roseau |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
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 Bertha Walker across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Bertha Walker
Daughter · 1940 · age 12 · b. ~1928 · Minnesota
★ You are viewing this record
Sibling
Ralph Walker
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rodney Walker
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Isabel Walker
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Pearl Walker
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lloyd Walker
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 — Roseau-County, Minnesota
Open full size
1940 US Federal Census — Roseau-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01954-00830)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William C. D. Appleby | 63 | Head | Laborer | Iowa |
| 2 | Mary F. Appleby | 62 | Wife | — | Illinois |
| 3 | James W. Appleby | 28 | Son | Farm Laborer | Minnesota |
| 4 | George A. Appleby | 89 | Head | — | Ohio |
| 5 | Etta M. Appleby | 47 | Daughter | — | North Dakota |
| 6 | Roal S. Grover | 57 | Head | Co | Iowa |
| 7 | Lydia G. Grover | 50 | Wife | — | Minnesota |
| 8 | Vernon R. Grover | 16 | Son | New Worker | Minnesota |
| 9 | Ruth M. Grover | 14 | Daughter | — | Minnesota |
| 10 | Frances M. Grover | 12 | Daughter | — | Minnesota |
| 11 | Ralph E. Grover | 10 | Son | — | Minnesota |
| 12 | Earl F. Grover | 9 | Son | — | Minnesota |
| 13 | Beatrice J. Grover | 7 | Daughter | — | Minnesota |
| 14 | Charles Luh | 72 | Head | — | West Virginia |
| 15 | Merle J. Chase | 36 | Head | Farmer | North Dakota |
| 16 | Ruth J. Chase | 36 | Wife | — | Minnesota |
| 17 | Merle E. Chase | 16 | Son | — | Minnesota |
| 18 | Owen E. Radway | 57 | Head | Farmer | Illinois |
| 19 | Grace H. Radway | 55 | Wife | — | California |
| 20 | William A. Radway | 22 | Son | Township Clerk | Minnesota |
| 21 | Lois F. Radway | 15 | Daughter | New Worker | Minnesota |
| 22 | Electa Radway | 80 | Head | — | Illinois |
| 23 | Sylvester S. Walker | 53 | Head | Farmer | North Dakota |
| 24 | Olive J. Walker | 44 | Wife | — | Minnesota |
| 25 | Lloyd S. Walker | 16 | Son | — | Minnesota |
| 26 | Bertha M. Walker THIS PERSON | 12 | Daughter | — | Minnesota |
| 27 | Pearl A. Walker | 9 | Daughter | — | Minnesota |
| 28 | Ralph S. Walker | 7 | Son | — | Minnesota |
| 29 | Isabel K. Walker | 4 | Daughter | — | Minnesota |
| 30 | Rodney D. Walker | 2 | Son | — | Minnesota |
| 31 | Marcus R. Hopkins | 66 | Head | — | Wisconsin |
| 32 | Mary A. Hopkins | 65 | Wife | — | Holland |
| 33 | John H. Al. Hopkins | 23 | Head | Laborer | North Dakota |
| 34 | Leona M. Hopkins | 20 | Wife | — | North Dakota |
| 35 | Violet M. Hopkins | 1 | Daughter | — | Minnesota |
| 36 | Theodore D. Mitterling | 37 | Head | Farmer | Pennsylvania |
| 37 | Jessie M. Mitterling | 19 | Wife | — | North Dakota |
| 38 | Samuel E. Mitterling | 2 | Son | — | Minnesota |
| 39 | Alfred L. Jeffries | 55 | Head | Farmer | Kentucky |
| 40 | Andrew E. Wild | 40 | Head | Laborer | North Dakota |
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)