JF
James Ferguson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Fillmore-County, Minnesota
Our Model Tree links this James Ferguson across the 1930 and 1940 US Censuses in Fillmore-County, Minnesota (XGBoost, ~Confirmed) — first a son (b.~1920), then head of a 9-person household.
Age 20
b. ~1920
Male
Son
Born: Minnesota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Fillmore-County, Minnesota |
| Surname | Ferguson |
| Given Name | James |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | R. Fillmore |
| 1935 Residence (County) | Fillmore |
| Additional Details | |
| Occupation | Mason helper |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 338 |
| Highest Grade | No 8 |
| 1935 Residence | Minnesota |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | Mason Helper |
| Township / Ward | Chatfield 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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Helen Ferguson | Daughter | — | 16 | ~1924 |
| Patricia Ferguson | Daughter | — | 13 | ~1927 |
| Mary Ferguson | Daughter | — | 18 | ~1922 |
| Frances Ferguson | Daughter | — | 23 | ~1917 |
| Mike Ferguson | Head | — | 54 | ~1886 |
| Lawrence Ferguson | Son | — | 9 | ~1931 |
| John Ferguson | Son | — | 11 | ~1929 |
| James Ferguson | Son | — | 20 | ~1920 |
| Anna Ferguson | Spouse | — | 50 | ~1890 |
Census Appearances
1930
Fillmore, Minnesota
Son, age 8
Fillmore, Minnesota · implied b. ~1922 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ferguson |
| Given Name | James M. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Minnesota |
| Can Read/Write | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Fillmore-County, Minnesota
Son, age 20
Fillmore-County, Minnesota · implied b. ~1920 — 9 household members
| Surname | Ferguson |
| Given Name | James |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | R. Fillmore |
| 1935 Residence (County) | Fillmore |
| Occupation | Mason helper |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 338 |
| Highest Grade | No 8 |
| 1935 Residence | Minnesota |
| 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 Ferguson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Ferguson
Son · 1940 · age 20 · b. ~1920 · Minnesota
★ You are viewing this record
Sibling
Frances Ferguson
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Ferguson
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lawrence Ferguson
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Patricia Ferguson
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Ferguson
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Ferguson
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 — Fillmore-County, Minnesota
Open full size
1940 US Federal Census — Fillmore-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01921-00174)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Henry Lassell | 63 | head | Retail | Minnesota |
| 2 | Nona E Lassell | 64 | wife | — | Minnesota |
| 3 | Oscar Peterson | 51 | head | Proprietor | Sweden |
| 4 | Mary Peterson | 40 | wife | — | Minnesota |
| 5 | Gudrun Peterson | 13 | daughter | — | Minnesota |
| 6 | John Peterson | 11 | son | — | Minnesota |
| 7 | James Peterson | 1 | son | — | Minnesota |
| 8 | Donald W Boetzer | 26 | head | Mortician | Wisconsin |
| 9 | Barbara Boetzer | 28 | wife | — | Minnesota |
| 10 | Barbara Alma Boetzer | 3 | daughter | — | Minnesota |
| 11 | F G Stoudt | 64 | head | Cashier | Minnesota |
| 12 | Susan Stoudt | 63 | wife | — | Minnesota |
| 13 | Harleen Stoudt | 23 | daughter | Dietitian | Minnesota |
| 14 | Albin Krogue | 48 | head | Cashier | Minnesota |
| 15 | Myrtle Krogue | 42 | wife | — | Minnesota |
| 16 | Catherine Sturgis | 85 | mother-in-law | — | Illinois |
| 17 | Ernest Keith | 60 | head | Carpenter | Minnesota |
| 18 | Alpha Keith | 94 | mother | — | Michigan |
| 19 | Margaret Jackson | 47 | head | — | Minnesota |
| 20 | Amund Olmstad | 64 | head | Farmer | Norway |
| 21 | Emma Olmstad | 57 | wife | — | Minnesota |
| 22 | Olot Olmstad | 16 | son | — | Minnesota |
| 23 | Mike Ferguson | 54 | head | Stone Mason | Canada |
| 24 | Anna Ferguson | 50 | wife | — | Minnesota |
| 25 | Frances Ferguson | 23 | daughter | — | Minnesota |
| 26 | James Ferguson THIS PERSON | 20 | son | Mason Helper | Minnesota |
| 27 | Mary Ferguson | 18 | daughter | Secretary | Minnesota |
| 28 | Helen Ferguson | 16 | daughter | — | Minnesota |
| 29 | Patricia Ferguson | 13 | daughter | — | Minnesota |
| 30 | John Ferguson | 11 | son | — | Minnesota |
| 31 | Lawrence Ferguson | 9 | son | — | Minnesota |
| 32 | Thomas Goldsmith | 27 | head | Waiter | Minnesota |
| 33 | Marie Goldsmith | 25 | wife | — | Wisconsin |
| 34 | Ann Carson | 77 | head | — | Minnesota |
| 35 | Frances Ferguson | 40 | daughter | — | Minnesota |
| 36 | Lorraine Ferguson | 11 | granddaughter | — | Minnesota |
| 37 | John Leitz | 67 | head | Highway Dept. | Minnesota |
| 38 | Tillie Leitz | 62 | wife | — | Iowa |
| 39 | Gerald Leitz | 24 | son | Attendant | Minnesota |
| 40 | Leitz | None | — | — | — |
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)