JM
Joseph Mason — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Marquette-County, Michigan
Our Model Tree links this Joseph Mason across the 1920, 1930 and 1940 US Censuses in Marquette-County, Michigan (XGBoost, ~Confirmed) — first a head (b.~1882), then head of a 3-person household.
Age 58
b. ~1882
Male
Head
Born: New Hampshire
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Marquette-County, Michigan |
| Surname | Mason |
| Given Name | Joseph T. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 58 |
| Marital Status | Married |
| Birthplace | New Hampshire |
| 1935 Residence (City) | National Mine |
| 1935 Residence (County) | Marquette |
| Additional Details | |
| Occupation | Service Man |
| Industry | Iron Mine |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1100 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
| Occupation | Service Man |
| Township / Ward | National Mine |
| Est. Birth Year | ~1882 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Joseph | Age | Birth yr |
|---|---|---|---|---|
| Joseph Mason | Head | — | 58 | ~1882 |
| Ida Mason | Spouse | — | 55 | ~1885 |
| Viola Mason | Daughter | — | 30 | ~1910 |
Census Appearances
1920
Marquette, Michigan
Head, age 35
Marquette, Michigan · implied b. ~1885 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mason |
| Given Name | Joseph |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | New Hampshire |
| Father's Birthplace | Norway |
| Mother's Birthplace | Sweden |
| Occupation | Laborer |
| Industry | Powder Mill |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Home Owned/Rented | R |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
1930
Marquette, Michigan
Head, age 48
Marquette, Michigan · implied b. ~1882 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mason |
| Given Name | Joseph |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | New Hampshire |
| Age at First Marriage | 27 |
| Father's Birthplace | Norway |
| Mother's Birthplace | Sweden |
| Occupation | Laborer |
| Industry | Iron Mine |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 400 |
| Veteran | No |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
1940
Marquette-County, Michigan
Head, age 58
Marquette-County, Michigan · implied b. ~1882 — 3 household members
| Surname | Mason |
| Given Name | Joseph T. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 58 |
| Marital Status | Married |
| Birthplace | New Hampshire |
| 1935 Residence (City) | National Mine |
| 1935 Residence (County) | Marquette |
| Occupation | Service Man |
| Industry | Iron Mine |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1100 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
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 Joseph Mason across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Joseph Mason
Head · 1940 · age 58 · b. ~1882 · Michigan
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Marquette-County, Michigan
Open full size
1940 US Federal Census — Marquette-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01787-00607)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Elizabeth Hill | 60 | Wife | — | England |
| 2 | Anna Carkin | 47 | Head | — | Michigan |
| 3 | Francis R. Carkin | 23 | Son | Laborer | Michigan |
| 4 | Harold Mccarthy | 41 | Head | Laborer | British Columbia |
| 5 | Harold Jr. Mccarthy | 16 | Son | — | Michigan |
| 6 | Robert Mccarthy | 15 | Son | — | Michigan |
| 7 | Margaret Mccarthy | 12 | Daughter | — | Michigan |
| 8 | Ilona Mccarthy | 10 | Daughter | — | Michigan |
| 9 | Donald Mccarthy | 7 | Son | — | Michigan |
| 10 | Elizabeth Mccarthy | 68 | Mother | — | Michigan |
| 11 | Michael Solka | 53 | Head | Miner | Poland |
| 12 | Mary F. Solka | 50 | Wife | — | Michigan |
| 13 | Francis Solka | 24 | Son | Truck Driver | Michigan |
| 14 | Helen Solka | 19 | Daughter | — | Michigan |
| 15 | Florence Solka | 12 | Daughter | — | Michigan |
| 16 | Patricia Solka | 9 | Daughter | — | Michigan |
| 17 | Mary K. Solka | 6 | Daughter | — | Michigan |
| 18 | Carl T. Mason | 22 | Head | Section Hand | Michigan |
| 19 | Bernice E. Mason | 22 | Wife | — | Michigan |
| 20 | Richard Champion | 65 | Head | Rock Picking | Pennsylvania |
| 21 | William Champion | 24 | Son | Laborer | Michigan |
| 22 | June Champion | 19 | Daughter | — | Michigan |
| 23 | Richard H. Champion | 31 | Son | Mining | Michigan |
| 24 | Lila Champion | 24 | Daughter in law | — | Michigan |
| 25 | Beverly A. Champion | 6 | Grand Daughter | — | Michigan |
| 26 | Nancy L. Champion | 4 | Grand Daughter | — | Michigan |
| 27 | Richard C. Champion | 3 | Grand Son | — | Michigan |
| 28 | Henry E. Hansen | 37 | Head | Trucker | Michigan |
| 29 | Agnes Hansen | 37 | Wife | — | Michigan |
| 30 | Morris H. Hansen | 9 | Son | — | Michigan |
| 31 | Hilda Slohalin | 64 | Head | — | Sweden |
| 32 | Dennis Callahan | 59 | Head | — | Michigan |
| 33 | Jack Callahan | 25 | Son | Watchman | Minnesota |
| 34 | Robert Callahan | 22 | Son | — | Minnesota |
| 35 | Harry G. Stone | 28 | Head | Section Hand | Michigan |
| 36 | Bernice Stone | 19 | Wife | — | Michigan |
| 37 | Mary Jane Stone | 5 | Daughter | — | Michigan |
| 38 | Joseph T. Mason THIS PERSON | 58 | Head | Service Man | New Hampshire |
| 39 | Ida M. Mason | 55 | Wife | — | Sweden |
| 40 | Viola Mason | 30 | Daughter | Teacher | Michigan |
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)