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Robert Lane — 1940 US Census Record
Model Tree available1940 United States Federal Census · Codington-County, South Dakota
Our Model Tree links this Robert Lane across the 1920, 1930 and 1940 US Censuses in Codington-County, South Dakota (XGBoost, ~Confirmed), with identified parents Earl & Emma — first a head (b.~1915), then head of a 4-person household.
Age 25
b. ~1915
Male
Head
Born: South Dakota
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Codington-County, South Dakota |
| Surname | Lane |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | South Dakota |
| 1935 Residence (City) | Watertown city |
| 1935 Residence (County) | Codington |
| Additional Details | |
| Occupation | Travelling Salesman |
| Industry | Wholesale Co |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 278 |
| Highest Grade | C 1 |
| 1935 Residence | Same place |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
| Occupation | Travelling Salesman |
| Township / Ward | Watertown City |
| Est. Birth Year | ~1915 |
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 Robert | Age | Birth yr |
|---|---|---|---|---|
| Margaret Lane | Spouse | — | 23 | ~1917 |
| Barbara Lane | Daughter | — | 2 | ~1938 |
| Robert Lane | Head | — | 25 | ~1915 |
| Dorothy Lane | Daughter | — | 3 | ~1937 |
Census Appearances
1920
Codington, South …
Son, age 5
Codington, South Dakota · implied b. ~1915 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lane |
| Given Name | Robert E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | South Dakota |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Minnesota |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
1930
Codington, South …
Son, age 15
Codington, South Dakota · implied b. ~1915 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lane |
| Given Name | Robert E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | South Dakota |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Minnesota |
| Can Read/Write | Yes |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
1940
Codington-County, South …
Head, age 25
Codington-County, South Dakota · implied b. ~1915 — 4 household members
| Surname | Lane |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | South Dakota |
| 1935 Residence (City) | Watertown city |
| 1935 Residence (County) | Codington |
| Occupation | Travelling Salesman |
| Industry | Wholesale Co |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 278 |
| Highest Grade | C 1 |
| 1935 Residence | Same place |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south 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 Robert Lane across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Earl Lane (~0.92 confidence) and mother Emma Lane (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Earl Lane
b. ~1876
Source father
● Household
· direct · ~0.92
Mother
Emma Lane
b. ~1886
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Lane
Head · 1940 · age 25 · b. ~1915 · South Dakota
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Codington-County, South Dakota
Open full size
1940 US Federal Census — Codington-County, South Dakota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03852-00390)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Herbert Franklin | 30 | Head | Selling Product | South Dakota |
| 2 | Irene Franklin | 29 | Wife | — | South Dakota |
| 3 | Dona Franklin | 8 | Daughter | — | South Dakota |
| 4 | Richard Franklin | 6 | Son | — | South Dakota |
| 5 | Dale Franklin | 2 | Son | — | South Dakota |
| 6 | Thos. E. Johnson | 61 | Head | Cook | Sweden |
| 7 | Bertha Johnson | 50 | Wife | — | Sweden |
| 8 | Robert Lane THIS PERSON | 25 | Head | Travelling Salesman | South Dakota |
| 9 | Margaret Lane | 23 | Wife | — | South Dakota |
| 10 | Dorothy Lane | 3 | Daughter | — | Minnesota |
| 11 | Barbara Lane | 2 | Daughter | — | South Dakota |
| 12 | Mellie Kemple | 62 | Head | — | Minnesota |
| 13 | David Taylor | 22 | Lodger | Billing Clerk | South Dakota |
| 14 | Elmer Foley | 25 | Lodger | — | Nebraska |
| 15 | Arthur Thesin | 56 | Head | — | South Dakota |
| 16 | Agnes A. Thesin | 52 | Wife | — | South Dakota |
| 17 | Left Two Too Many Lines | None | — | — | — |
| 18 | — | None | — | — | — |
| 19 | William Lentz | 35 | Head | Machinist | South Dakota |
| 20 | Gladys Lentz | 35 | Wife | — | South Dakota |
| 21 | Curtis Lentz | 10 | Son | — | South Dakota |
| 22 | Veneta Lentz | 8 | Daughter | — | South Dakota |
| 23 | Josephine Freske | 67 | Mother-in-law | — | Finland |
| 24 | Henry W. Swerta | 61 | Head | Paper Hanger | Iowa |
| 25 | Jennie Swerta | 58 | Wife | — | Illinois |
| 26 | Ray Swerta | 32 | Son | Painting | South Dakota |
| 27 | Herbert Baker | 26 | Head | Bookkeeper | South Dakota |
| 28 | Marian Baker | 24 | Wife | — | South Dakota |
| 29 | Alfred Wilde | 32 | Head | Supervisor | South Dakota |
| 30 | Leona Wilde | 30 | Wife | Clerk | South Dakota |
| 31 | Joan Wilde | 1 | Daughter | — | South Dakota |
| 32 | Pearl True | 23 | Maid | Housework | South Dakota |
| 33 | Emma Gilmore | 52 | Head | Owner | South Dakota |
| 34 | R. Gordon Gilmore | 27 | Son | Salesman | South Dakota |
| 35 | Lillian Peterson | 51 | Head | Teacher | South Dakota |
| 36 | Gwen Peterson | 16 | Daughter | Maid | South Dakota |
| 37 | Wesley Morris | 28 | Head | Truck Driver | South Dakota |
| 38 | Sheila Morris | 28 | Wife | — | South Dakota |
| 39 | Jenelle Morris | 8 | Daughter | — | South Dakota |
| 40 | Merle Morris | 6 | Daughter | — | South Dakota |
Pedigree Summary
Robert
Gen 1 · 2 parents
~0.92
Max depth 4 (1900–1950 window)
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)