JG
James Grady — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Benson-County, North Dakota
Our Model Tree links this James Grady across the 1930 and 1940 US Censuses in Benson-County, North Dakota (XGBoost, ~Confirmed) — first a son (b.~1920), then head of a 6-person household.
Age 20
b. ~1920
Male
Son
Born: North Dakota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Benson-County, North Dakota |
| Surname | Grady |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | North Dakota |
| 1935 Residence (City) | Leeds City |
| 1935 Residence (County) | Benson |
| Additional Details | |
| Highest Grade | Hs 3 |
| 1935 Residence | Same Place |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
| Township / Ward | Leeds City |
| Est. Birth Year | ~1920 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Katherine Grady | Spouse | — | 42 | ~1898 |
| Agnes Grady | Daughter | — | 21 | ~1919 |
| Martin Grady | Head | — | 50 | ~1890 |
| Marcella Grady | Daughter | — | 15 | ~1925 |
| Vincent Grady | Son | — | 19 | ~1921 |
| James Grady | Son | — | 20 | ~1920 |
Census Appearances
1930
Benson, North …
Son, age 10
Benson, North Dakota · implied b. ~1920 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Grady |
| Given Name | James M. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | North Dakota |
| Father's Birthplace | North Dakota |
| Mother's Birthplace | North Dakota |
| Can Read/Write | Yes |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
1940
Benson-County, North …
Son, age 20
Benson-County, North Dakota · implied b. ~1920 — 6 household members
| Surname | Grady |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | North Dakota |
| 1935 Residence (City) | Leeds City |
| 1935 Residence (County) | Benson |
| Highest Grade | Hs 3 |
| 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 James Grady across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Grady
Son · 1940 · age 20 · b. ~1920 · North Dakota
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Sibling
Vincent Grady
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Agnes Grady
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marcella Grady
Sibling · 1940 · age 15
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 — Benson-County, North Dakota
Open full size
1940 US Federal Census — Benson-County, North Dakota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02993-00193)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Martha Anderson | 56 | Wife | Seamstress | Norway |
| 2 | Alma Vallager | 58 | Head | Laborer | Minnesota |
| 3 | Alma Vallager | 29 | Daughter | Waitress | North Dakota |
| 4 | Myrtle Vallager | 21 | Daughter | Bookkeeper | North Dakota |
| 5 | Ole Julson | 66 | Head | Laborer | Minnesota |
| 6 | Bertha Julson | 64 | Wife | — | Minnesota |
| 7 | Lorraine Julson | 22 | Daughter | Maid | North Dakota |
| 8 | Kenneth Currey | 29 | Head | Salesman | Minnesota |
| 9 | Irene Currey | 24 | Wife | — | Minnesota |
| 10 | Karin Currey | 1 | Daughter | — | North Dakota |
| 11 | Wallace Olson | 40 | Head | Mail Carrier | North Dakota |
| 12 | Margaret Olson | 30 | Wife | — | North Dakota |
| 13 | Ellen Hofman | 43 | Head | — | North Dakota |
| 14 | Christiana Gunderson | 53 | Head | Helper In Hotel | Norway |
| 15 | Edna Gunderson | 22 | Daughter | — | North Dakota |
| 16 | Gladys Gunderson | 20 | Daughter | Maid | North Dakota |
| 17 | Kadic Gunderson | 27 | Son | Laborer | North Dakota |
| 18 | Thea Gunderson | 30 | Daughter-in-law | — | North Dakota |
| 19 | Carl Fraterson | 45 | Head | — | North Dakota |
| 20 | Amelia Fraterson | 32 | Wife | Seamstress | North Dakota |
| 21 | Orville Fraterson | 4 | Son | — | North Dakota |
| 22 | Gordon Fraterson | 2 | Son | — | North Dakota |
| 23 | Martin Grady | 50 | Head | Farmer | North Dakota |
| 24 | Katherine Grady | 42 | Wife | — | North Dakota |
| 25 | Agnes Grady | 21 | Daughter | Library Work | North Dakota |
| 26 | James Grady THIS PERSON | 20 | Son | — | North Dakota |
| 27 | Vincent Grady | 19 | Son | — | North Dakota |
| 28 | Marcella Grady | 15 | Daughter | — | North Dakota |
| 29 | Nels Holmer | 51 | Head | Farmer | Norway |
| 30 | Marion Russell | 66 | Head | Laborer | California |
| 31 | Lillie Russell | 46 | Wife | — | Iowa |
| 32 | Elizabeth Russell | 20 | Daughter | Library Work | North Dakota |
| 33 | Mavis Russell | 17 | Daughter | — | North Dakota |
| 34 | Woodrow Russell | 14 | Son | — | North Dakota |
| 35 | Robert Russell | 12 | Son | — | North Dakota |
| 36 | Roberta Russell | 12 | Daughter | — | North Dakota |
| 37 | Irene Russell | 10 | Daughter | — | North Dakota |
| 38 | Vernon Russell | 10 | Son | — | North Dakota |
| 39 | Marion Russell | 9 | Daughter | — | North Dakota |
| 40 | Mardelle Russell | 7 | Daughter | — | 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)