SS
Sylvia Smith — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Bremer-County, Iowa
Our Model Tree links this Sylvia Smith across the 1930 and 1940 US Censuses in Bremer-County, Iowa (XGBoost, ~Confirmed) — first a daughter (b.~1925), then head of a 8-person household.
Age 15
b. ~1925
Female
Daughter
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Bremer-County, Iowa |
| Surname | Smith |
| Given Name | Sylvia |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Warren Twp |
| 1935 Residence (County) | Bremer |
| Additional Details | |
| Highest Grade | H 1 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Warren Twp |
| Est. Birth Year | ~1925 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Sylvia | Age | Birth yr |
|---|---|---|---|---|
| Sylvia Smith | Daughter | — | 15 | ~1925 |
| Anna Smith | Spouse | — | 49 | ~1891 |
| John Smith | Other | — | 85 | ~1855 |
| Maggie Smith | Other | — | 55 | ~1885 |
| Flora Smith | Other | — | 83 | ~1857 |
| Sylvester Smith | Son | — | 15 | ~1925 |
| Freda Smith | Son | — | 14 | ~1926 |
| Neil Smith | Head | — | 38 | ~1902 |
Census Appearances
1930
Bremer, Iowa
Other, age 5
Bremer, Iowa · implied b. ~1925 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Sylvia |
| Relationship to Head | Granddaughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Bremer-County, Iowa
Daughter, age 15
Bremer-County, Iowa · implied b. ~1925 — 8 household members
| Surname | Smith |
| Given Name | Sylvia |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Warren Twp |
| 1935 Residence (County) | Bremer |
| Highest Grade | H 1 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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 15 · b. ~1925 · Iowa
★ You are viewing this record
Sibling
Sylvester Smith
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Freda Smith
Sibling · 1940 · age 14
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 — Bremer-County, Iowa
Open full size
1940 US Federal Census — Bremer-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01142-00384)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Fred S Leusinger | 29 | Head | Farmer | Iowa |
| 42 | Erna Leusinger | 30 | Wife | — | Iowa |
| 43 | Walter Leusinger | 7 | Son | — | Iowa |
| 44 | Wayne Leusinger | 3 | Son | — | Iowa |
| 45 | Donald Schellhorn | 20 | Hired hand | Farmer | Iowa |
| 46 | Albert H Matthias | 45 | Head | Farmer | Iowa |
| 47 | Clara Matthias | 43 | Wife | — | Iowa |
| 48 | Ruth Matthias | 17 | Daughter | Maid | Iowa |
| 49 | Wilbur Matthias | 14 | Son | — | Minnesota |
| 50 | Neil D Smith | 38 | Head | Farmer | Iowa |
| 51 | Anna Smith | 49 | Wife | — | Iowa |
| 52 | Sylvia Smith THIS PERSON | 15 | Daughter | — | Iowa |
| 53 | Sylvester Smith | 15 | Son | — | Iowa |
| 54 | Freda Smith | 14 | Son | — | Iowa |
| 55 | John Smith | 85 | Father | — | Scotland |
| 56 | Flora Smith | 83 | Mother | — | Scotland |
| 57 | Maggie Smith | 55 | Sister | — | Iowa |
| 58 | Edward Lauresen | 38 | Head | Farmer | Iowa |
| 59 | Edna Lauresen | 34 | Wife | — | Iowa |
| 60 | Evelyn Lauresen | 6 | Daughter | — | Iowa |
| 61 | Kenneth Lauresen | 4 | Son | — | Iowa |
| 62 | Henry Narr | 40 | Hired hand | Farmer | Iowa |
| 63 | Clara B Dams | 70 | Head | Farmer | Iowa |
| 64 | Viola Dams | 35 | Wife | — | Iowa |
| 65 | Jean Dams | 13 | Daughter | — | Iowa |
| 66 | Edward H Thurm | 54 | Head | Farmer | Missouri |
| 67 | Ida Thurm | 48 | Wife | — | Missouri |
| 68 | Irene Thurm | 22 | Daughter | — | Iowa |
| 69 | Edmund Thurm | 24 | Son | Farmer | Iowa |
| 70 | Bernice Thurm | 15 | Daughter | — | Iowa |
| 71 | Henry J Lauresen | 55 | Head | Farmer | Iowa |
| 72 | Emelia Lauresen | 50 | Wife | — | Iowa |
| 73 | Erwin Lauresen | 22 | Son | Farmer | Iowa |
| 74 | Selma Lauresen | 19 | Daughter-in-law | Servant | Iowa |
| 75 | Anna Lauresen | 83 | Mother | — | Germany |
| 76 | Clifford D Kansalas | 59 | Head | Farmer | Iowa |
| 77 | Nattie Kansalas | 53 | Wife | — | Iowa |
| 78 | Laura Kansalas | 63 | Sister | — | Iowa |
| 79 | Gustav A Laube | 42 | Head | Farmer | Germany |
| 80 | Hulda Laube | 32 | Wife | — | Iowa |
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)