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Fred Long — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Minnehaha-County, South Dakota
Our Model Tree links this Fred Long across the 1920, 1930 and 1940 US Censuses in Minnehaha-County, South Dakota (XGBoost, ~Confirmed) — first a head (b.~1881), then head of a 4-person household.
Age 59
b. ~1881
Male
Head
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Minnehaha-County, South Dakota |
| Surname | Long |
| Given Name | Fred W |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 59 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Sioux Falls city |
| 1935 Residence (County) | Minnehaha |
| Additional Details | |
| Occupation | Salesman |
| Industry | Ice Co |
| Class of Worker | PW |
| Hours Worked | 30 |
| Income (1939) | 294 |
| Highest Grade | C 3 |
| 1935 Residence | Same Place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Salesman |
| Township / Ward | Sioux Falls City |
| Est. Birth Year | ~1881 |
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 Fred | Age | Birth yr |
|---|---|---|---|---|
| Fred Long | Head | — | 59 | ~1881 |
| Kenneth Long | Son | — | 17 | ~1923 |
| Margaret Long | Spouse | — | 57 | ~1883 |
| Leona Jensen | Other | — | 21 | ~1919 |
Census Appearances
Head, age 39
Minnehaha, South Dakota · implied b. ~1881 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Long |
| Given Name | Frank H |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Iowa |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Illinois |
| Occupation | Com. Traveler |
| Industry | Cartridge Co |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Minnehaha, South …
Other, age 49
Minnehaha, South Dakota · implied b. ~1881 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Long |
| Given Name | Frank |
| Relationship to Head | Roomer |
| Sex | M |
| Color / Race | White |
| Age | 49 |
| Marital Status | Widowed |
| Birthplace | Iowa |
| Age at First Marriage | 25 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Illinois |
| Occupation | Salesman |
| Industry | Ammunition |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 4000 |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Minnehaha-County, South …
Head, age 59
Minnehaha-County, South Dakota · implied b. ~1881 — 4 household members
| Surname | Long |
| Given Name | Fred W |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 59 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Sioux Falls city |
| 1935 Residence (County) | Minnehaha |
| Occupation | Salesman |
| Industry | Ice Co |
| Class of Worker | PW |
| Hours Worked | 30 |
| Income (1939) | 294 |
| Highest Grade | C 3 |
| 1935 Residence | Same Place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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 Fred Long across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Fred Long
Head · 1940 · age 59 · b. ~1881 · South 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 — Minnehaha-County, South Dakota
Open full size
1940 US Federal Census — Minnehaha-County, South Dakota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03864-00288)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Edward Eichhorst | 26 | Head | Attendant | Minnesota |
| 2 | Isabelle Eichhorst | 26 | Wife | — | South Dakota |
| 3 | Edward L Eichhorst | 1 | Son | — | South Dakota |
| 4 | Fred W Long THIS PERSON | 59 | Head | Salesman | Iowa |
| 5 | Margaret Long | 57 | Wife | — | Iowa |
| 6 | Kenneth O Long | 17 | Son | — | South Dakota |
| 7 | Leona Jensen | 21 | Lodger | Beauty Operator | South Dakota |
| 8 | Jessie Elliott | 49 | Head | — | South Dakota |
| 9 | Emil Bendush | 59 | Head | Painter | Iowa |
| 10 | Rose Bendush | 49 | Wife | — | Nebraska |
| 11 | Leon Bendush | 26 | Son | Painter | South Dakota |
| 12 | Emil Jr Bendush | 24 | Son | Laborer | South Dakota |
| 13 | Arthur Bendush | 22 | Son | Janitor | South Dakota |
| 14 | Verna Bendush | 15 | Daughter | — | South Dakota |
| 15 | Kenneth Bendush | 11 | Son | — | South Dakota |
| 16 | Harold Bendush | 3 | Son | — | South Dakota |
| 17 | John Enteman | 40 | Head | Mechanic | South Dakota |
| 18 | Nora Enteman | 40 | Wife | — | Iowa |
| 19 | Caroline Enteman | 14 | Daughter | — | South Dakota |
| 20 | John Jr Enteman | 11 | Son | — | South Dakota |
| 21 | Donna Enteman | 6 | Daughter | — | South Dakota |
| 22 | Sophia Holmes | 43 | Sister | Packer | South Dakota |
| 23 | John O Fleming | 25 | Head | Manager | South Dakota |
| 24 | Eleanor Fleming | 27 | Wife | Saleslady | South Dakota |
| 25 | Augustus Eldridge | 63 | Head | Loading Dock | Pennsylvania |
| 26 | Lucy A Eldridge | 63 | Wife | — | New York |
| 27 | Dorothy Eldridge | 23 | Daughter | Packer | Minnesota |
| 28 | Andrew Brekke | 40 | Lodger | Coal Work | Norway |
| 29 | Clara Snyder | 51 | Head | Nurse | Iowa |
| 30 | Ida Welham | 70 | Mother | — | Iowa |
| 31 | William Kuehn | 23 | Head | Checker | South Dakota |
| 32 | Ruth Kuehn | 23 | Wife | — | Wyoming |
| 33 | Carol Lee Kuehn | 3 | Daughter | — | South Dakota |
| 34 | George Warner | 23 | Brother-in-law | — | South Dakota |
| 35 | Maxine Warner | 21 | Sister-in-law | — | Nebraska |
| 36 | Clarence Christenson | 53 | Head | — | Wisconsin |
| 37 | Ida Christenson | 49 | Wife | — | Iowa |
| 38 | Harold Christenson | 24 | Son | — | Minnesota |
| 39 | Marjorie Christenson | 22 | Daughter | Crossing | Minnesota |
| 40 | Mildred Christenson | 18 | Daughter | — | South Dakota |
Related Census Records
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)