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James Shannon — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Grand-Forks-County, North Dakota
Our Model Tree links this James Shannon across the 1920, 1930 and 1940 US Censuses in Grand-Forks-County, North Dakota (XGBoost, ~Confirmed) — first a head (b.~1883), then head of a 4-person household.
Age 57
b. ~1883
Male
Head
Born: North Dakota
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Grand-Forks-County, North Dakota |
| Surname | Shannon |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | North Dakota |
| 1935 Residence (City) | Grand Forks City |
| Additional Details | |
| Occupation | Conductor |
| Industry | Steam Railroad |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 3600 |
| Highest Grade | Hs 4 |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
| Occupation | Conductor |
| Township / Ward | Grand Forks City |
| Est. Birth Year | ~1883 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Helen Shannon | Spouse | — | 54 | ~1886 |
| Virginia Shannon | Daughter | — | 26 | ~1914 |
| James Shannon | Head | — | 57 | ~1883 |
| Joyce Shannon | Daughter | — | 18 | ~1922 |
Census Appearances
1920
Grand Forks, …
Head, age 36
Grand Forks, North Dakota · implied b. ~1884 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Shannon |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | North Dakota |
| Father's Birthplace | Canada |
| Mother's Birthplace | Canada |
| Occupation | Conductor |
| Industry | Freight |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
1930
Grand Forks, …
Head, age 47
Grand Forks, North Dakota · implied b. ~1883 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Shannon |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | North Dakota |
| Age at First Marriage | 28 |
| Father's Birthplace | Canada English |
| Mother's Birthplace | Canada English |
| Occupation | Conductor |
| Industry | Railroad |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | $50 |
| Radio Set | R |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
1940
Grand-Forks-County, North …
Head, age 57
Grand-Forks-County, North Dakota · implied b. ~1883 — 4 household members
| Surname | Shannon |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | North Dakota |
| 1935 Residence (City) | Grand Forks City |
| Occupation | Conductor |
| Industry | Steam Railroad |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 3600 |
| Highest Grade | Hs 4 |
| 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 James Shannon across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
James Shannon
Head · 1940 · age 57 · b. ~1883 · North Dakota
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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 — Grand-Forks-County, North Dakota
Open full size
1940 US Federal Census — Grand-Forks-County, North Dakota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03002-00661)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Patricia Williams | 5 | Daughter | — | North Dakota |
| 42 | Margaret Williams | 5 | Daughter | — | North Dakota |
| 43 | Melvin Hulten | 45 | Head | Travelling Salesman | Minnesota |
| 44 | Myrtle Hulten | 43 | Wife | — | Minnesota |
| 45 | John Hulten | 12 | Son | — | North Dakota |
| 46 | David Hulten | 3 | Son | — | North Dakota |
| 47 | Sophie Swarkstad | 60 | Roomer | — | North Dakota |
| 48 | Adam Beller | 37 | Head | Fireman | Minnesota |
| 49 | Lydia Beller | 32 | Wife | — | Minnesota |
| 50 | Loretta Beller | 9 | Daughter | — | North Dakota |
| 51 | Eugene Beller | 8 | Son | — | North Dakota |
| 52 | Gordon Beller | 4 | Son | — | North Dakota |
| 53 | Lars S. Larson | 60 | Head | Shoe Repair Shop | Norway |
| 54 | Annetta Larson | 63 | Wife | — | Norway |
| 55 | James Shannon THIS PERSON | 57 | Head | Conductor | North Dakota |
| 56 | Helen Shannon | 54 | Wife | — | Norway |
| 57 | Virginia Shannon | 26 | Daughter | Case-Worker | North Dakota |
| 58 | Joyce Shannon | 18 | Daughter | — | North Dakota |
| 59 | Fred Hansen | 51 | Head | County Auditor | North Dakota |
| 60 | Emma Hansen | 51 | Wife | — | North Dakota |
| 61 | Hazel E. Hansen | 24 | Daughter | Office Manager | North Dakota |
| 62 | Maca Hansen | 20 | Daughter | Stenographer | North Dakota |
| 63 | Robert Hansen | 14 | Son | — | North Dakota |
| 64 | Jean Ann Hansen | 13 | Daughter | — | North Dakota |
| 65 | Walter J. Swanson | 32 | Head | Confectionery & Lunch Room | North Dakota |
| 66 | Esther Swanson | 24 | Wife | — | North Dakota |
| 67 | George Butterwick | 52 | Head | Auto Mechanic | Illinois |
| 68 | Laura Butterwick | 51 | Wife | State Secretary | North Dakota |
| 69 | Bertha Peterson | 43 | Sister-in-law | Bookkeeper | North Dakota |
| 70 | L. S. Burns | 44 | Head | Retail Grocer | Michigan |
| 71 | Louise Burns | 45 | Wife | Saleslady | Minnesota |
| 72 | Mildred Burns | 22 | Daughter | Lawyer | North Dakota |
| 73 | Helen Burns | 17 | Daughter | — | North Dakota |
| 74 | Ludwig M. Aaserud | 58 | Head | Barber | North Dakota |
| 75 | Sigrid Carlson | 78 | Head | — | Norway |
| 76 | Frances Carlson | 26 | Wife | Typist | North Dakota |
| 77 | James Strange | 36 | Head | City Passenger Agent | Canada-English |
| 78 | Janet Strange | 32 | Wife | — | North Dakota |
| 79 | Thomas Strange | 4 | Son | — | North Dakota |
| 80 | Eileen Rutledge | 60 | Mother | — | Canada-English |
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)