JL
John Lucas — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Scott-County, Minnesota
Our Model Tree links this John Lucas across the 1930 and 1940 US Censuses in Scott-County, Minnesota (XGBoost, ~Confirmed) — first a head (b.~1895), then head of a 9-person household.
Age 45
b. ~1895
Male
Head
Born: Minnesota
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Scott-County, Minnesota |
| Surname | Lucas |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Minnesota |
| 1935 Residence (City) | Jordan |
| 1935 Residence (County) | Scott |
| Additional Details | |
| Occupation | Proprietor |
| Industry | Feed mill |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 156 |
| Highest Grade | No 8 |
| 1935 Residence | Minnesota |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | Proprietor |
| Township / Ward | Belle Plaine Borough |
| Est. Birth Year | ~1895 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Claire Lucas | Daughter | — | 12 | ~1928 |
| Viola Lucas | Daughter | — | 14 | ~1926 |
| Lorraine Lucas | Daughter | — | 20 | ~1920 |
| John Lucas | Head | — | 45 | ~1895 |
| Sydney Lucas | Son | — | 10 | ~1930 |
| Dorman Lucas | Son | — | 21 | ~1919 |
| Alvin Lucas | Son | — | 16 | ~1924 |
| Francis Lucas | Son | — | 18 | ~1922 |
| Ella Lucas | Spouse | — | 44 | ~1896 |
Census Appearances
1930
Scott, Minnesota
Head, age 35
Scott, Minnesota · implied b. ~1895 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lucas |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Minnesota |
| Age at First Marriage | 22 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Occupation | Farmer |
| Industry | Gen Farming |
| Class of Worker | VVVV |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Scott-County, Minnesota
Head, age 45
Scott-County, Minnesota · implied b. ~1895 — 9 household members
| Surname | Lucas |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Minnesota |
| 1935 Residence (City) | Jordan |
| 1935 Residence (County) | Scott |
| Occupation | Proprietor |
| Industry | Feed mill |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 156 |
| 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 John Lucas across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Lucas
Head · 1940 · age 45 · b. ~1895 · Minnesota
★ 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 — Scott-County, Minnesota
Open full size
1940 US Federal Census — Scott-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01958-00037)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mary E Messinger | 66 | Wife | — | Minnesota |
| 42 | Elizabeth Z Messinger | 16 | Daughter | — | Minnesota |
| 43 | Alice B Ahrens | 65 | Head | — | Minnesota |
| 44 | Frank Stoppelmann | 40 | Head | Proprietor | Minnesota |
| 45 | Alice M Stoppelmann | 34 | Wife | — | Minnesota |
| 46 | Mary M Stoppelmann | 3 | Daughter | — | Minnesota |
| 47 | Carol C Stoppelmann | 0 | Daughter | — | Minnesota |
| 48 | Charles M Painter | 34 | Head | Agriculture Teacher | Nebraska |
| 49 | Lillian H Painter | 35 | Wife | — | North Dakota |
| 50 | Frances M Painter | 8 | Daughter | — | North Dakota |
| 51 | Colleen J Painter | 2 | Daughter | — | South Dakota |
| 52 | Amanda F Nitz | 47 | Head | Proprietor | Minnesota |
| 53 | Clayton H Nitz | 18 | Son | — | Minnesota |
| 54 | Matthew P B Kahn | 62 | Head | Proprietor | Wisconsin |
| 55 | Sophia A Kahn | 62 | Wife | — | Minnesota |
| 56 | Joseph O Kahn | 24 | Son | Bartender | Minnesota |
| 57 | Luverne M Kahn | 16 | Daughter | — | Minnesota |
| 58 | Nell Mcdevitt | 65 | Head | — | Minnesota |
| 59 | Corrine M Mcdevitt | 21 | Daughter | Telephone Operator | Minnesota |
| 60 | Julius S Effertz | 57 | Head | President | Minnesota |
| 61 | Elsa M Effertz | 52 | Wife | — | Minnesota |
| 62 | Jean D Effertz | 17 | Daughter | — | Minnesota |
| 63 | John Lucas THIS PERSON | 45 | Head | Proprietor | Minnesota |
| 64 | Ella Lucas | 44 | Wife | — | Minnesota |
| 65 | Dorman Lucas | 21 | Son | — | Minnesota |
| 66 | Lorraine Lucas | 20 | Daughter | Waitress | Minnesota |
| 67 | Francis Lucas | 18 | Son | — | Minnesota |
| 68 | Alvin Lucas | 16 | Son | — | Minnesota |
| 69 | Viola Lucas | 14 | Daughter | — | Minnesota |
| 70 | Claire Lucas | 12 | Daughter | — | Minnesota |
| 71 | Sydney Lucas | 10 | Son | — | Minnesota |
| 72 | Peter R Mahoney | 42 | Head | Proprietor | Minnesota |
| 73 | Genevieve S Mahoney | 42 | Wife | — | Minnesota |
| 74 | Daniel A Mahoney | 4 | Son | — | Minnesota |
| 75 | Janet M Mahoney | 3 | Daughter | — | Minnesota |
| 76 | Marlene J Mahoney | 1 | Daughter | — | Minnesota |
| 77 | Cyrilla A Neisen | 19 | Roomer | Housemaid | Minnesota |
| 78 | Henry F Hesperheide | 64 | Head | — | Minnesota |
| 79 | Ida E Hesperheide | 65 | Wife | — | Minnesota |
| 80 | Schultz Waldemar | 25 | Roomer | Clerical Worker | Minnesota |
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)