LS
Lucy Smith — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Mcdonough-County, Illinois
Our Model Tree links this Lucy Smith across the 1920, 1930 and 1940 US Censuses in Mcdonough-County, Illinois (XGBoost, ~Confirmed) — first a spouse (b.~1859), then head of a 4-person household.
Age 81
b. ~1859
Female
Spouse
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Mcdonough-County, Illinois |
| Surname | Smith |
| Given Name | Lucy |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 81 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Macomb City |
| 1935 Residence (County) | McDonough |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same house |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Macomb City |
| Est. Birth Year | ~1859 |
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 Lucy | Age | Birth yr |
|---|---|---|---|---|
| Marjorie Wier | Daughter | — | 40 | ~1900 |
| James Smith | Head | — | 81 | ~1859 |
| Harold Wier | Other | — | 41 | ~1899 |
| Lucy Smith | Spouse | — | 81 | ~1859 |
Census Appearances
1920
Mcdonough, Illinois
Other, age 63
Mcdonough, Illinois · implied b. ~1857 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Lucy |
| Relationship to Head | Mother in law |
| Sex | F |
| Color / Race | White |
| Age | 63 |
| Marital Status | Widowed |
| Birthplace | Illinois |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Mcdonough, Illinois
Other, age 72
Mcdonough, Illinois · implied b. ~1858 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Lucy |
| Relationship to Head | Mother |
| Sex | F |
| Color / Race | White |
| Age | 72 |
| Marital Status | Widowed |
| Birthplace | Illinois |
| Age at First Marriage | 19 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Mcdonough-County, Illinois
Spouse, age 81
Mcdonough-County, Illinois · implied b. ~1859 — 4 household members
| Surname | Smith |
| Given Name | Lucy |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 81 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Macomb City |
| 1935 Residence (County) | McDonough |
| Income (1939) | 0 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same house |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Lucy Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Lucy Smith
Spouse · 1940 · age 81 · b. ~1859 · 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 — Mcdonough-County, Illinois
Open full size
1940 US Federal Census — Mcdonough-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00839-00471)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Manda Randolph | 61 | Head | — | Illinois |
| 2 | Charles Ewing | 54 | Head | Salesman | Illinois |
| 3 | Nancy Ewing | 52 | Wife | — | Illinois |
| 4 | James Ewing | 18 | Son | — | Illinois |
| 5 | James Randolph | 63 | Head | Merchant | Illinois |
| 6 | Louise Randolph | 56 | Wife | — | Illinois |
| 7 | Elizabeth Aldredge | 20 | Niece | — | Illinois |
| 8 | James Smith | 81 | Head | Merchant | Illinois |
| 9 | Lucy Smith THIS PERSON | 81 | Wife | — | Illinois |
| 10 | Marjorie Wier | 40 | Daughter | Saleslady | Illinois |
| 11 | Harold Wier | 41 | Son-in-law | Salesman | Illinois |
| 12 | Lloyd Swanson | 30 | Head | Salesman | Illinois |
| 13 | Hazel Swanson | 28 | Wife | — | Illinois |
| 14 | Wendell Swanson | 8 | Son | — | Illinois |
| 15 | Joseph Wyne | 90 | Head | — | Illinois |
| 16 | Mary Wyne | 56 | Daughter | — | Illinois |
| 17 | Florence Holstine | 52 | Daughter | — | Illinois |
| 18 | John Campbell | 80 | Head | — | Illinois |
| 19 | Arthur Campbell | 50 | Son | Merchant | Illinois |
| 20 | Ruth Campbell | 43 | Daughter-in-law | Teacher | Indiana |
| 21 | Ruth Brockway | 61 | Head | — | Illinois |
| 22 | Ethel Ray | 55 | Lodger | Teacher | Illinois |
| 23 | Mary Oladm | 71 | Lodger | — | England |
| 24 | Ervin Wyne | 61 | Head | Merchant | Illinois |
| 25 | Adda Wyne | 52 | Wife | — | Nebraska |
| 26 | Louis Wyne | 19 | Son | — | Illinois |
| 27 | Nellie Kenner | 66 | Head | — | Illinois |
| 28 | Lora Cooper | 59 | Head | — | Illinois |
| 29 | Kathryn Boyer | 70 | Sister | Housekeeper | Missouri |
| 30 | Mark Garrison | 66 | Lodger | Farmer | Illinois |
| 31 | Minnie Swanson | 65 | Lodger | — | Illinois |
| 32 | J. B. Buana | 22 | Lodger | Bookkeeper | Michigan |
| 33 | Henry Kittson | 50 | Head | Stockholder Foreman | Illinois |
| 34 | Georgia Kittson | 46 | Wife | — | Illinois |
| 35 | Barbara Kittson | 23 | Daughter | — | Illinois |
| 36 | Roscoe Millet | 34 | Head | Medical Doctor | Minnesota |
| 37 | Lois Millet | 33 | Wife | — | Minnesota |
| 38 | Alaya Ansprengeu | 35 | Head | X-Ray Specialist | Germany |
| 39 | Ellen Ansprengeu | 34 | Wife | — | Germany |
| 40 | May Shaw | 70 | Head | — | 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)