LS
Lloyd Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · Lasalle-County, Illinois
Our Model Tree links this Lloyd Smith across the 1910, 1920, 1930 and 1940 US Censuses in Lasalle-County, Illinois (XGBoost, ~Confirmed), with identified parents Uriah & Florence — first a head (b.~1909), then head of a 3-person household.
Age 31
b. ~1909
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Lasalle-County, Illinois |
| Surname | Smith |
| Given Name | Lloyd |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Wallace |
| 1935 Residence (County) | La Salle |
| Additional Details | |
| Occupation | hired hand |
| Industry | farm |
| Class of Worker | PW |
| Hours Worked | 36 |
| Income (1939) | 360 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Hired Hand |
| Township / Ward | Wallace |
| Est. Birth Year | ~1909 |
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 Lloyd | Age | Birth yr |
|---|---|---|---|---|
| Lloyd Smith | Head | — | 31 | ~1909 |
| Lloyd Smith | Son | — | 1 | ~1939 |
| Dorothy Smith | Spouse | — | 19 | ~1921 |
Census Appearances
1910
Lasalle, Illinois
Son, age 1
Lasalle, Illinois · implied b. ~1909 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Lloyd |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Germany |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1920
Lasalle, Illinois
Son, age 11
Lasalle, Illinois · implied b. ~1909 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Lloyd |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Lasalle, Illinois
Other, age 21
Lasalle, Illinois · implied b. ~1909 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Lloyd |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Married |
| Birthplace | Illinois |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Illinois |
| Occupation | Laborer |
| Industry | Paper Mill |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Lasalle-County, Illinois
Head, age 31
Lasalle-County, Illinois · implied b. ~1909 — 3 household members
| Surname | Smith |
| Given Name | Lloyd |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Wallace |
| 1935 Residence (County) | La Salle |
| Occupation | hired hand |
| Industry | farm |
| Class of Worker | PW |
| Hours Worked | 36 |
| Income (1939) | 360 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| 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 Lloyd Smith across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Uriah Smith (~0.92 confidence) and mother Florence Smith (~0.92 confidence) and father Chris Smith (~0.92 confidence) and mother Lulu Smith (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Uriah Smith
b. ~1867
Source father
● Household
· direct · ~0.92
Mother
Florence Smith
b. ~1879
Source mother
● Household
· direct · ~0.92
Father
Chris Smith
b. ~1884
Source father
● Household
· direct · ~0.92
Mother
Lulu Smith
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Lloyd Smith
Head · 1940 · age 31 · b. ~1909 · Illinois
★ 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 — Lasalle-County, Illinois
Open full size
1940 US Federal Census — Lasalle-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00834-00966)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Martin Priestad | 47 | Head | Farming Farmer | Illinois |
| 42 | Fern Priestad | 14 | Daughter | School | Illinois |
| 43 | Lois Priestad | 13 | Daughter | School | Illinois |
| 44 | Doris Priestad | 8 | Daughter | School | Illinois |
| 45 | Everett Priestad | 6 | Son | School | Illinois |
| 46 | Robert Priestad | 4 | Son | — | Illinois |
| 47 | Dale Priestad | 1 | Son | — | Illinois |
| 48 | Darlene Priestad | 1 | Daughter | — | Illinois |
| 49 | Evelyn Thorson | 25 | Housekeeper | Housekeeper | Illinois |
| 50 | Silas Bragg | 77 | Head | Unable To Work | Illinois |
| 51 | Catherine Bragg | 70 | Wife | Housekeeper | Illinois |
| 52 | Botny Calob | 68 | Hired hand | Hired Hand | Ohio |
| 53 | Clarence Hummer | 26 | Head | Farming Farmer | Illinois |
| 54 | Francis Hummer | 24 | Wife | Housekeeper | Illinois |
| 55 | Ore-Lee Cox | 14 | Hired hand | Farming Hired Man | Illinois |
| 56 | John Hinkey | 60 | Head | Farming Farmer | Illinois |
| 57 | Evelyn Hinkey | 44 | Wife | Housekeeper | Illinois |
| 58 | Francis Hinkey | 23 | Son | Farming Farmer | Illinois |
| 59 | Leo Hinkey | 17 | Son | School | Illinois |
| 60 | Jackie Hinkey | 9 | Son | School | Illinois |
| 61 | Joseph R. Strasser | 74 | Head | Retired From Work | Ohio |
| 62 | Carrie Murry | 67 | Sister | Housekeeper | Ohio |
| 63 | Wilder Davy | 25 | Head | Hamburger Attendant | Illinois |
| 64 | Edith Davy | 20 | Wife | Teacher | Illinois |
| 65 | Vincent Lyons | 55 | Head | Farming Farmer | Illinois |
| 66 | Marie Lyons | 45 | Wife | Housekeeper | Illinois |
| 67 | Vincent Jr. Lyons | 10 | Son | School | Illinois |
| 68 | Lawrence Lyons | 7 | Son | School | Illinois |
| 69 | Edmund O'Donnell | 43 | Brother-in-law | Farming Farmer | Illinois |
| 70 | Edward Sr. O'Donnell | 76 | Father-in-law | Unable To Work | Illinois |
| 71 | Lloyd Smith THIS PERSON | 31 | Head | Hired Hand | Illinois |
| 72 | Dorothy Smith | 19 | Wife | Housekeeper | Michigan |
| 73 | Lloyd Jr. Smith | 1 | Son | — | Illinois |
| 74 | Frank Donahue | 43 | Head | Farming Farmer | Illinois |
| 75 | Louise Donahue | 38 | Wife | Housekeeper | Illinois |
| 76 | Darlene Donahue | 14 | Daughter | School | Illinois |
| 77 | Robert Donahue | 10 | Son | School | Illinois |
| 78 | Elwood Snow | 40 | Head | Farming Farmer | Illinois |
| 79 | Helen Snow | 28 | Wife | Housekeeper | Illinois |
| 80 | George Platt | 28 | Hired hand | Hired Hand | Indiana |
Pedigree Summary
Lloyd
Gen 1 · 4 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)