LN
Lois Nelson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Macon-County, Illinois
Our Model Tree links this Lois Nelson across the 1920, 1930 and 1940 US Censuses in Macon-County, Illinois (XGBoost, ~Confirmed) — first a spouse (b.~1898), then head of a 3-person household.
Age 42
b. ~1898
Female
Spouse
Born: Colorado
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Macon-County, Illinois |
| Surname | Nelson |
| Given Name | Lois Belle |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Colorado |
| 1935 Residence (City) | Decatur city |
| 1935 Residence (County) | Macon |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | C 4 |
| 1935 Residence | Same House |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Township / Ward | Decatur City |
| Est. Birth Year | ~1898 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Lois | Age | Birth yr |
|---|---|---|---|---|
| Lois Nelson | Spouse | — | 42 | ~1898 |
| Griffin Nelson | Son | — | 14 | ~1926 |
| Lafayette Nelson | Head | — | 43 | ~1897 |
Census Appearances
1920
Macon, Illinois
Spouse, age 24
Macon, Illinois · implied b. ~1896 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Lois |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Colorado |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Kansas |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1930
Macon, Illinois
Spouse, age 35
Macon, Illinois · implied b. ~1895 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Lois Belle |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Colorado |
| Age at First Marriage | 24 |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Kansas |
| Can Read/Write | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1940
Macon-County, Illinois
Spouse, age 42
Macon-County, Illinois · implied b. ~1898 — 3 household members
| Surname | Nelson |
| Given Name | Lois Belle |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Colorado |
| 1935 Residence (City) | Decatur city |
| 1935 Residence (County) | Macon |
| Income (1939) | 0 |
| Highest Grade | C 4 |
| 1935 Residence | Same House |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
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 Lois Nelson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Lois Nelson
Spouse · 1940 · age 42 · b. ~1898 · Illinois
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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 — Macon-County, Illinois
Open full size
1940 US Federal Census — Macon-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00844-00225)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Theodore R. Harris | 36 | Head | Consulting Engineer | Illinois |
| 2 | Mary Harris | 33 | Wife | — | Illinois |
| 3 | Francis J. Rogiers | 44 | Head | Chemical Engineer | Illinois |
| 4 | Opal Rogiers | 40 | Wife | — | Missouri |
| 5 | Francis Jr. Rogiers | 21 | Son | — | Illinois |
| 6 | Nancy Lou Rogiers | 9 | Daughter | — | Illinois |
| 7 | Hubert J. Heiny | 52 | Head | Piano Tuner | Wisconsin |
| 8 | Mary Heiny | 49 | Wife | Director | Ohio |
| 9 | W. R. Kennedy | 35 | Head | Auditor | Illinois |
| 10 | Mary Kennedy | 26 | Wife | — | Illinois |
| 11 | Ray Thomas Kennedy | 4 | Son | — | Illinois |
| 12 | Frank F. Campbell | 34 | Head | Accountant | Illinois |
| 13 | Josephine H. Campbell | 31 | Wife | — | Illinois |
| 14 | Frank F. Ii Campbell | 5 | Son | — | Illinois |
| 15 | Kathryn Hutchings | 68 | Mother in law | — | Illinois |
| 16 | Owen W. Pratt | 48 | Head | Minister | Iowa |
| 17 | Mildred Pratt | 42 | Wife | — | Indiana |
| 18 | Jennette Pratt | 15 | Daughter | — | Missouri |
| 19 | F. D. Holbrook | 67 | Head | — | Massachusetts |
| 20 | Carrie Holbrook | 68 | Wife | — | Rhode Island |
| 21 | F. D. Jr. Holbrook | 32 | Son | New Worker | West Virginia |
| 22 | W. R. Ward | 63 | Head | Contractor | Illinois |
| 23 | Mollie Ward | 57 | Wife | Saleswoman | Illinois |
| 24 | Mellis Parkinson | 50 | Head | Agent | Illinois |
| 25 | Florence Parkinson | 48 | Wife | Agent | Illinois |
| 26 | Thomas Parkinson | 18 | Son | — | Illinois |
| 27 | Robert Parkinson | 16 | Son | — | Illinois |
| 28 | Louis Scherer | 42 | Head | Auditor | Illinois |
| 29 | Helen Scherer | 38 | Wife | — | Illinois |
| 30 | Helen Louise Scherer | 7 | Daughter | — | Illinois |
| 31 | Floyd Birt | 33 | Head | Contractor | Illinois |
| 32 | Harriett Birt | 29 | Wife | — | Illinois |
| 33 | Deborah Birt | 5 | Daughter | — | Illinois |
| 34 | Barbara Birt | 3 | Daughter | — | Illinois |
| 35 | Violet Fishel | 25 | Housekeeper | Housekeeper | Illinois |
| 36 | Lafayette H. Nelson | 43 | Head | Valuation Engineer | Louisiana |
| 37 | Lois Belle Nelson THIS PERSON | 42 | Wife | — | Colorado |
| 38 | Griffin Nelson | 14 | Son | — | Illinois |
| 39 | R. A. Hawkins | 55 | Head | Carpenter | Illinois |
| 40 | Althea Hawkins | 59 | Wife | — | Illinois |
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)