FS
Florence Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · St.-Clair-County, Michigan
Our Model Tree links this Florence Smith across the 1920, 1930 and 1940 US Censuses in St.-Clair-County, Michigan (XGBoost, ~Confirmed), with identified parents George & George — first a daughter (b.~1917), then head of a 4-person household.
Age 23
b. ~1917
Female
Daughter
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Clair-County, Michigan |
| Surname | Smith |
| Given Name | Florence C |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Port Huron City |
| 1935 Residence (County) | St. Clair |
| Additional Details | |
| Occupation | Secretary |
| Industry | Public School |
| Class of Worker | GW |
| Hours Worked | 30 |
| Income (1939) | 612 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Occupation | Secretary |
| Township / Ward | Port Huron City |
| Est. Birth Year | ~1917 |
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 Florence | Age | Birth yr |
|---|---|---|---|---|
| Jane Smith | Daughter | — | 20 | ~1920 |
| Florence Smith | Daughter | — | 23 | ~1917 |
| Harry Smith | Head | — | 50 | ~1890 |
| Pauline Smith | Spouse | — | 44 | ~1896 |
Census Appearances
1920
St Clair, …
Daughter, age 4
St Clair, Michigan · implied b. ~1916 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Florence |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Germany |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1930
St Clair, …
Daughter, age 14
St Clair, Michigan · implied b. ~1916 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Florence E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Germany |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
St.-Clair-County, Michigan
Daughter, age 23
St.-Clair-County, Michigan · implied b. ~1917 — 4 household members
| Surname | Smith |
| Given Name | Florence C |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Port Huron City |
| 1935 Residence (County) | St. Clair |
| Occupation | Secretary |
| Industry | Public School |
| Class of Worker | GW |
| Hours Worked | 30 |
| Income (1939) | 612 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
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 Florence Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father George Lauth (~0.92 confidence) and father George Smith (~0.92 confidence) and father Harry Smith (~0.92 confidence) and mother Pauline Smith (~0.92 confidence) and mother Ethel Smith (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
George Lauth
b. ~1882
Source father
● Household
· direct · ~0.92
Father
George Smith
b. ~1883
Source father
● Household
· direct · ~0.92
Father
Harry Smith
b. ~1890
Source father
● Household
· direct · ~0.92
Mother
Pauline Smith
b. ~1896
Source mother
● Household
· direct · ~0.92
Mother
Ethel Smith
b. ~1889
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Florence Smith
Daughter · 1940 · age 23 · b. ~1917 · Michigan
★ You are viewing this record
Sibling
Jane Smith
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — St.-Clair-County, Michigan
Open full size
1940 US Federal Census — St.-Clair-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01816-00162)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Lillian E Ingram | 40 | Daughter | Housework | Michigan |
| 2 | Hiram S Ingram | 54 | Head | Steam Inspector | Michigan |
| 3 | Mary L Ingram | 48 | Wife | — | Michigan |
| 4 | Ray S Ingram | 18 | Son | — | Michigan |
| 5 | James E Macdonald | 18 | Lodger | New Worker | Canada-English |
| 6 | Nora E Hunt | 50 | Head | Bean-Picker | Michigan |
| 7 | Leola L Alexander | 24 | Daughter | Teacher | Michigan |
| 8 | James H Gahns | 23 | Son-in-law | Truck Driver | Michigan |
| 9 | Helen G Gahns | 19 | Daughter | Messenger | Michigan |
| 10 | Thadule A Cole | 63 | Head | Carpenter | Michigan |
| 11 | Mary L Cole | 58 | Wife | — | Michigan |
| 12 | Verne G Cole | 24 | Son | Wire Inspector | Michigan |
| 13 | Fred E Cole | 21 | Son | Inspector | Michigan |
| 14 | Harry C Smith | 50 | Head | Comptroller | New Jersey |
| 15 | Pauline E Smith | 44 | Wife | — | Michigan |
| 16 | Florence C Smith THIS PERSON | 23 | Daughter | Secretary | Michigan |
| 17 | Jane E Smith | 20 | Daughter | Secretary | Michigan |
| 18 | Leo H O'Brien | 57 | Head | Managing Owner | Michigan |
| 19 | Florence A O'Brien | 56 | Wife | — | Canada-English |
| 20 | Leah H O'Brien | 22 | Daughter | Cashier | Michigan |
| 21 | Marjorie M O'Brien | 16 | Daughter | — | Michigan |
| 22 | Jean H O'Brien | 15 | Daughter | — | Michigan |
| 23 | Alvin K Arnold | 27 | Head | Brewery Worker | Michigan |
| 24 | Josepha A Arnold | 26 | Wife | — | Michigan |
| 25 | Gary L Arnold | 3 | Son | — | Michigan |
| 26 | Albert A Jones | 55 | Head | Linotype Operator | Michigan |
| 27 | Margaret C Jones | 54 | Wife | — | Michigan |
| 28 | Edward W Jones | 24 | Son | Printer | Michigan |
| 29 | John Burlow | 64 | Head | — | Michigan |
| 30 | Louise M Burlow | 60 | Wife | — | Michigan |
| 31 | Patrova A Burlow | 24 | Daughter | Typist | Michigan |
| 32 | John W Burlow | 22 | Son | Instructor | Michigan |
| 33 | Andrew J Cutcher | 53 | Head | Carpenter | Michigan |
| 34 | Grace Cutcher | 52 | Wife | — | Michigan |
| 35 | Geraldine Cutcher | 27 | Daughter | Teacher | Michigan |
| 36 | John Cutcher | 18 | Son | Attendant | Michigan |
| 37 | Rose Marie Cutcher | 14 | Daughter | — | Michigan |
| 38 | Susan Cutcher | 12 | Daughter | — | Michigan |
| 39 | Lyle L Nugent | 31 | Head | Machine Operator | Michigan |
| 40 | Charlotte Nugent | 25 | Wife | Inspector | Michigan |
Pedigree Summary
Florence + 1 sibling
Gen 1 · 5 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)