LS
Lucille Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · St.-Louis-County, Missouri
Our Model Tree links this Lucille Smith across the 1920, 1930 and 1940 US Censuses in St.-Louis-County, Missouri (XGBoost, ~Confirmed), with identified parents Bertha & Harry — first a daughter (b.~1902), then head of a 2-person household.
Age 38
b. ~1902
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Louis-County, Missouri |
| Surname | Smith |
| Given Name | Lucille |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Maplewood City |
| 1935 Residence (County) | St. Louis |
| Additional Details | |
| Occupation | Teacher |
| Industry | Public Schools |
| Class of Worker | PW |
| Hours Worked | 50 |
| Income (1939) | 1781 |
| Highest Grade | C 5 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Teacher |
| Township / Ward | Maplewood City |
| Est. Birth Year | ~1902 |
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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Lucille | Age | Birth yr |
|---|---|---|---|---|
| Lucille Smith | Daughter | — | 38 | ~1902 |
| Amy Smith | Head | — | 66 | ~1874 |
Census Appearances
1920
Washington, Missouri
Daughter, age 18
Washington, Missouri · implied b. ~1902 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Lucille |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Occupation | teacher |
| Industry | public school |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
St Louis, …
Daughter, age 28
St Louis, Missouri · implied b. ~1902 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Lucille |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
St.-Louis-County, Missouri
Daughter, age 38
St.-Louis-County, Missouri · implied b. ~1902 — 2 household members
| Surname | Smith |
| Given Name | Lucille |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Maplewood City |
| 1935 Residence (County) | St. Louis |
| Occupation | Teacher |
| Industry | Public Schools |
| Class of Worker | PW |
| Hours Worked | 50 |
| Income (1939) | 1781 |
| Highest Grade | C 5 |
| 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 Lucille Smith across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: mother Bertha Gunderson (~0.92 confidence) and father Harry Gunderson (~0.92 confidence) and mother Amy Smith (~0.92 confidence) and mother Amy Smith (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Bertha Gunderson
b. ~1869
Source mother
● Household
· direct · ~0.92
Father
Harry Gunderson
b. ~1870
Source father
● Household
· direct · ~0.92
Mother
Amy Smith
b. ~1874
Source mother
● Household
· direct · ~0.92
Mother
Amy Smith
b. ~1874
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Lucille Smith
Daughter · 1940 · age 38 · b. ~1902 · Missouri
★ 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 — St.-Louis-County, Missouri
Open full size
1940 US Federal Census — St.-Louis-County, Missouri
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02150-00535)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Estelle Tandy | 41 | Sister | Teacher | Missouri |
| 2 | Edwin Miessler | 57 | Head | Meat Cutter | Missouri |
| 3 | May Miessler | 52 | Wife | — | Missouri |
| 4 | Lalie Fieldson | 19 | Daughter | New Worker | Missouri |
| 5 | Sylvester Berg | 36 | Head | Manager | Missouri |
| 6 | Marion Berg | 30 | Wife | — | Missouri |
| 7 | Ruben Drimming | 35 | Head | Salesman | Illinois |
| 8 | Charlotte Drimming | 17 | Daughter | — | Missouri |
| 9 | Anna Dunser | 52 | Head | Art Supervisor | Missouri |
| 10 | Maud Helen | 47 | Lodger | Teacher | Missouri |
| 11 | Emmet Payne | 50 | Head | Carpenter | Iowa |
| 12 | Ethel Payne | 44 | Wife | Practical Nurse | Iowa |
| 13 | Dorothy Payne | 10 | Daughter | — | Missouri |
| 14 | Helen Means | 19 | Niece | Mimeograph | Minnesota |
| 15 | Pauline Hiegler | 46 | Head | Clerk | Missouri |
| 16 | Rosalie Martini | 76 | Mother | — | Iowa |
| 17 | James Mcwhirter | 57 | Head | Stone Cutter | Scotland |
| 18 | Ethel Mcwhirter | 49 | Wife | — | Missouri |
| 19 | Edna Niebruegge | 21 | Head | Operator | Missouri |
| 20 | Beulah Gilley | 21 | Lodger | Operator | Texas |
| 21 | John Aleton | 38 | Head | Mechanic | Tennessee |
| 22 | Beata Aleton | 37 | Wife | — | Missouri |
| 23 | Joseph Dumm | 24 | Head | Shipping Clerk | Missouri |
| 24 | Margaret Dumm | 49 | Wife | — | Missouri |
| 25 | Bertram Carroll | 44 | Head | Manager | California |
| 26 | Charlotte Carroll | 34 | Wife | — | Missouri |
| 27 | Amy Smith | 66 | Head | — | Missouri |
| 28 | Lucille Smith THIS PERSON | 38 | Daughter | Teacher | Illinois |
| 29 | Evelyn Koehler | 48 | Head | Housework | Missouri |
| 30 | Lois Ann Koehler | 29 | Daughter | Attendant | Missouri |
| 31 | Harry Bretz | 36 | Head | Dentist | Missouri |
| 32 | Thelma Bretz | 35 | Wife | Stenographer | Missouri |
| 33 | Roy Trauger | 29 | Head | Attendant | Illinois |
| 34 | Nancy Trauger | 33 | Wife | — | Missouri |
| 35 | Allen Hawkins | 22 | Head | Electrical Engineer | Missouri |
| 36 | Marguerite Hawkins | 24 | Wife | — | South Carolina |
| 37 | Milly Carter | 35 | Head | Operator | Missouri |
| 38 | Lucille Carter | 42 | Sister | — | Missouri |
| 39 | Dee Carter | 75 | Mother | — | Tennessee |
| 40 | Viola Vion | 32 | Head | Manager | Missouri |
Pedigree Summary
Lucille
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)