SS
Sylvia Smith — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Delaware-County, Indiana
Our Model Tree links this Sylvia Smith across the 1930 and 1940 US Censuses in Delaware-County, Indiana (XGBoost, ~Confirmed) — first a spouse (b.~1910), then head of a 6-person household.
Age 30
b. ~1910
Female
Spouse
Born: Indiana
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Delaware-County, Indiana |
| Surname | Smith |
| Given Name | Sylvia |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Morningside Addition |
| 1935 Residence (County) | Delaware |
| Additional Details | |
| Industry | 0 |
| Highest Grade | H 2 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Township / Ward | Morningside Addition |
| Est. Birth Year | ~1910 |
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 |
|---|---|---|---|---|
| Connie Smith | Daughter | — | 1 | ~1939 |
| Joe Smith | Head | — | 36 | ~1904 |
| Wayne Smith | Son | — | 11 | ~1929 |
| Sylvia Smith | Spouse | — | 30 | ~1910 |
| Donnie Smith | Son | — | 7 | ~1933 |
| Jackie Smith | Son | — | 12 | ~1928 |
Census Appearances
1930
Delaware, Indiana
Daughter, age 20
Delaware, Indiana · implied b. ~1910 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Sylvia |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Married |
| Birthplace | Indiana |
| Age at First Marriage | 17 |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | none |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Delaware-County, Indiana
Spouse, age 30
Delaware-County, Indiana · implied b. ~1910 — 6 household members
| Surname | Smith |
| Given Name | Sylvia |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Morningside Addition |
| 1935 Residence (County) | Delaware |
| Industry | 0 |
| Highest Grade | H 2 |
| 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
Spouse · 1940 · age 30 · b. ~1910 · Indiana
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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 — Delaware-County, Indiana
Open full size
1940 US Federal Census — Delaware-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01038-00410)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Melvin Parker | 8 | Son | — | Missouri |
| 42 | Patsy Parker | 5 | Daughter | — | Missouri |
| 43 | Ruben Malone | 35 | Brother | Laborer | Missouri |
| 44 | Pearl K. Nelson | 36 | Head | Moulder | Indiana |
| 45 | Alice Nelson | 32 | Wife | — | Indiana |
| 46 | Earl Jr. Nelson | 13 | Son | — | Indiana |
| 47 | Joan Nelson | 9 | Daughter | — | Indiana |
| 48 | Joe Smith | 36 | Head | Trucker | Indiana |
| 49 | Sylvia Smith THIS PERSON | 30 | Wife | — | Indiana |
| 50 | Jackie Smith | 12 | Son | — | Indiana |
| 51 | Wayne Smith | 11 | Son | — | Indiana |
| 52 | Donnie Smith | 7 | Son | — | Indiana |
| 53 | Connie Smith | 1 | Daughter | — | Indiana |
| 54 | Clifford Burling | 45 | Head | Moulder | Ohio |
| 55 | Madge Burling | 36 | Wife | Cook | Indiana |
| 56 | Martha Burling | 18 | Daughter | — | Indiana |
| 57 | Annette Burling | 8 | Daughter | — | Indiana |
| 58 | Marcus Davis | 54 | Head | Machine Repair | Indiana |
| 59 | Myrtle Davis | 53 | Wife | — | Indiana |
| 60 | Earl Conyers | 30 | Head | Shipping Clerk | Indiana |
| 61 | Mabel Conyers | 31 | Wife | — | Indiana |
| 62 | William James | 43 | Head | Machine Operator | Ohio |
| 63 | Helen James | 32 | Wife | — | Indiana |
| 64 | George James | 15 | Son | — | Indiana |
| 65 | Robert James | 13 | Son | — | Indiana |
| 66 | Ted James | 10 | Son | — | Indiana |
| 67 | Harold Henke | 43 | Head | Machine Hammer | Minnesota |
| 68 | Velma Henke | 44 | Wife | — | Indiana |
| 69 | Ernest E. Roberts | 31 | Head | Rubber Worker | Indiana |
| 70 | Cora Roberts | 26 | Wife | Rubber Worker | North Dakota |
| 71 | Charles Collins | 23 | Head | Salesman | Indiana |
| 72 | Loretta Collins | 21 | Wife | — | Indiana |
| 73 | Mary Lou Collins | 1 | Daughter | — | Indiana |
| 74 | Clarence Rose | 41 | Head | Truck Driver | Virginia |
| 75 | Viola Rose | 32 | Wife | — | Illinois |
| 76 | Violet Rose | 11 | Daughter | — | Indiana |
| 77 | Esther Rose | 6 | Daughter | — | Indiana |
| 78 | Ruby Rose | 2 | Daughter | — | Indiana |
| 79 | William Rose | 65 | Father | — | Virginia |
| 80 | Charles Vance | 26 | Head | Machine Operator | Indiana |
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)