SS
Sylvia Smith — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Floyd-County, Indiana
Our Model Tree links this Sylvia Smith across the 1930 and 1940 US Censuses in Floyd-County, Indiana (XGBoost, ~Confirmed) — first a daughter (b.~1921), then head of a 6-person household.
Age 19
b. ~1921
Female
Daughter
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Floyd-County, Indiana |
| Surname | Smith |
| Given Name | Sylvia |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Lafayette Twp |
| 1935 Residence (County) | Floyd |
| Additional Details | |
| Occupation | Bookkeeper |
| Industry | Furniture Fact |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 260 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Bookkeeper |
| Township / Ward | Lafayette Twp |
| Est. Birth Year | ~1921 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Sylvia | Age | Birth yr |
|---|---|---|---|---|
| Nora Smith | Spouse | — | 62 | ~1878 |
| Elbert Smith | Other | — | 10 | ~1930 |
| Roy Smith | Son | — | 10 | ~1930 |
| Daisy Smith | Daughter | — | 25 | ~1915 |
| Sylvia Smith | Daughter | — | 19 | ~1921 |
| Noah Smith | Head | — | 63 | ~1877 |
Census Appearances
1930
Floyd, Indiana
Daughter, age 9
Floyd, Indiana · implied b. ~1921 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Sylvia |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Floyd-County, Indiana
Daughter, age 19
Floyd-County, Indiana · implied b. ~1921 — 6 household members
| Surname | Smith |
| Given Name | Sylvia |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Lafayette Twp |
| 1935 Residence (County) | Floyd |
| Occupation | Bookkeeper |
| Industry | Furniture Fact |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 260 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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 Sylvia Smith across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Sylvia Smith
Daughter · 1940 · age 19 · b. ~1921 · Indiana
★ You are viewing this record
Sibling
Roy Smith
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Daisy Smith
Sibling · 1940 · age 25
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 — Floyd-County, Indiana
Open full size
1940 US Federal Census — Floyd-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01043-00138)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ruth Emogene Carter | 21 | Daughter | Farmer | Indiana |
| 2 | Benjamin Hussung | 57 | Head | Farmer | Indiana |
| 3 | Amelia M. Hussung | 50 | Wife | — | Kentucky |
| 4 | Paul H. Shiner | 30 | Head | Farmer | Indiana |
| 5 | Agnes F. Shiner | 22 | Wife | — | Indiana |
| 6 | Joseph Perry | 67 | Head | Farm Laborer | Indiana |
| 7 | Noah Smith | 63 | Head | Auto Ranger | Indiana |
| 8 | Nora Smith | 62 | Wife | — | Indiana |
| 9 | Daisy E. Smith | 25 | Daughter | Cotton Stitcher | Indiana |
| 10 | Sylvia Smith THIS PERSON | 19 | Daughter | Bookkeeper | Indiana |
| 11 | Roy W. Smith | 10 | Son | — | Indiana |
| 12 | Elbert Smith | 10 | Grandson | — | Indiana |
| 13 | Claude F. Smith | 24 | Head | Laborer | Indiana |
| 14 | Helen M. Smith | 22 | Wife | — | Indiana |
| 15 | Clyde E. Smith | 4 | Son | — | Indiana |
| 16 | Herman F. Smith | 2 | Son | — | Indiana |
| 17 | Carl G. Zeller | 29 | Head | Electrician | Kentucky |
| 18 | Hazel S. Zeller | 23 | Wife | — | Indiana |
| 19 | Elizabeth S. Zeller | 59 | Mother | — | Indiana |
| 20 | Earl J. Heidolf | 35 | Head | Farmer | Indiana |
| 21 | Minnie F. Heidolf | 34 | Wife | — | Indiana |
| 22 | Alvin L. Heidolf | 15 | Son | — | Indiana |
| 23 | Vada M. Heidolf | 11 | Daughter | — | Indiana |
| 24 | Ruth F. Heidolf | 5 | Daughter | — | Indiana |
| 25 | Albert C. Lamb | 26 | Head | Laborer | Indiana |
| 26 | Marcella A. Lamb | 27 | Wife | — | Indiana |
| 27 | Albert E. Lamb | 4 | Son | — | Indiana |
| 28 | Floyd W. Bott | 42 | Head | Carpenter | Indiana |
| 29 | Florence E. Bott | 42 | Wife | — | Indiana |
| 30 | Lillian A. Bott | 18 | Daughter | — | Indiana |
| 31 | Thelma M. Bott | 16 | Daughter | — | Indiana |
| 32 | Mary E. Bott | 12 | Daughter | — | Indiana |
| 33 | Frank A. Leuthart | 48 | Head | Laborer | Indiana |
| 34 | Anna J. Leuthart | 44 | Wife | — | Indiana |
| 35 | Charles Kirchgessner | 80 | Head | — | Germany |
| 36 | Edward F. Schroeder | 25 | Head | Laborer | Indiana |
| 37 | Hettie A. Schroeder | 20 | Wife | — | Indiana |
| 38 | Larry E. Schroeder | 2 | Son | — | Indiana |
| 39 | Howard E. Griffey | 39 | Head | Farmer | Kentucky |
| 40 | Sylvia M. Griffey | 39 | Wife | — | Kentucky |
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)