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James Mathews — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Koochiching-County, Minnesota
Our Model Tree links this James Mathews across the 1930 and 1940 US Censuses in Koochiching-County, Minnesota (XGBoost, ~Confirmed) — first a son (b.~1927), then head of a 10-person household.
Age 13
b. ~1927
Male
Son
Born: Minnesota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Koochiching-County, Minnesota |
| Surname | Mathews |
| Given Name | James E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (County) | Koochiching |
| Additional Details | |
| Highest Grade | No 6 |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Township / Ward | International Falls |
| Est. Birth Year | ~1927 |
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 James | Age | Birth yr |
|---|---|---|---|---|
| James Mathews | Son | — | 13 | ~1927 |
| Rolland Mathews | Son | — | 4 | ~1936 |
| Kenneth Mathews | Son | — | 1 | ~1939 |
| Ethel Mathews | Daughter | — | 12 | ~1928 |
| Elmer Mathews | Son | — | 18 | ~1922 |
| Lydia Mathews | Spouse | — | 47 | ~1893 |
| George Mathews | Son | — | 23 | ~1917 |
| Harry Mathews | Head | — | 52 | ~1888 |
| Robert Mathews | Son | — | 17 | ~1923 |
| Evelyn Mathews | Daughter | — | 15 | ~1925 |
Census Appearances
1930
Koochiching, Minnesota
Son, age 3
Koochiching, Minnesota · implied b. ~1927 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mathews |
| Given Name | James E |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Minnesota |
| Occupation | none |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Koochiching-County, Minnesota
Son, age 13
Koochiching-County, Minnesota · implied b. ~1927 — 10 household members
| Surname | Mathews |
| Given Name | James E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (County) | Koochiching |
| Highest Grade | No 6 |
| 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 James Mathews across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Mathews
Son · 1940 · age 13 · b. ~1927 · Minnesota
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Sibling
Evelyn Mathews
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rolland Mathews
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ethel Mathews
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Mathews
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Mathews
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kenneth Mathews
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elmer Mathews
Sibling · 1940 · age 18
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 — Koochiching-County, Minnesota
Open full size
1940 US Federal Census — Koochiching-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01931-00802)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Betty M. Grover | 3 | Daughter | — | Minnesota |
| 42 | David A. Grover | 2 | Son | — | Minnesota |
| 43 | Joseph Vohler | 37 | Head | Paper Mill | Minnesota |
| 44 | Anne E. Vohler | 32 | Wife | — | Minnesota |
| 45 | James E. Vohler | 13 | Son | — | Minnesota |
| 46 | Harold R. Vohler | 11 | Son | — | Minnesota |
| 47 | Joyce A. Vohler | 7 | Daughter | — | Minnesota |
| 48 | Harry A. Mathews | 52 | Head | Paper Mill | Minnesota |
| 49 | Lydia A. Mathews | 47 | Wife | — | Minnesota |
| 50 | George C. Mathews | 23 | Son | Cemetery | Minnesota |
| 51 | Elmer P. Mathews | 18 | Son | Farm | Minnesota |
| 52 | Robert E. Mathews | 17 | Son | C.C.C. Camp | Minnesota |
| 53 | Evelyn P. Mathews | 15 | Daughter | — | Minnesota |
| 54 | James E. Mathews THIS PERSON | 13 | Son | — | Minnesota |
| 55 | Ethel P. Mathews | 12 | Daughter | — | Minnesota |
| 56 | Rolland A. Mathews | 4 | Son | — | Minnesota |
| 57 | Kenneth L. Mathews | 1 | Son | — | Minnesota |
| 58 | Lawrence M. Brown | 34 | Head | W.P.A. Project | Minnesota |
| 59 | Myrtle L. Brown | 41 | Wife | — | Minnesota |
| 60 | Shirley A. Brown | 4 | Daughter | — | Minnesota |
| 61 | John J. Brown | 35 | Brother | Paper Mill | Minnesota |
| 62 | Theodore Huluka | 36 | Head | Paper Mill | Minnesota |
| 63 | Melania A. Huluka | 32 | Wife | — | Minnesota |
| 64 | Genevieve E. Huluka | 2 | Daughter | — | Minnesota |
| 65 | Jack M. Monrean | 42 | Head | — | Wisconsin |
| 66 | Merney R. Monrean | 23 | Son | Cutter Room Paper Mill | Minnesota |
| 67 | Fred W. Monrean | 22 | Son | Construction | Minnesota |
| 68 | Jack P. Monrean | 21 | Son | Paper Mill | Minnesota |
| 69 | Evelyn M. Monrean | 20 | Daughter | Restaurant | Minnesota |
| 70 | Norma K. Monrean | 18 | Daughter | Restaurant | Minnesota |
| 71 | Helen J. Monrean | 13 | Daughter | — | Minnesota |
| 72 | Arthur J. Mcgregor | 30 | Head | Paper Mill | Minnesota |
| 73 | Eleanor E. Mcgregor | 25 | Wife | — | Minnesota |
| 74 | Arthur W. Mcgregor | 4 | Son | — | Minnesota |
| 75 | Mary E. Mcgregor | 3 | Daughter | — | Minnesota |
| 76 | Darlene A. Mcgregor | 0 | Daughter | — | Minnesota |
| 77 | Earl J. Averill | 33 | Head | Paper Mill | Minnesota |
| 78 | Sara M. Averill | 30 | Wife | — | Minnesota |
| 79 | Fred E. Averill | 11 | Son | — | Minnesota |
| 80 | Norman R. Averill | 9 | Son | — | Minnesota |
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)