EC
Emma Carlson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Fountain-County, Indiana
Our Model Tree links this Emma Carlson across the 1930 and 1940 US Censuses in Fountain-County, Indiana (XGBoost, ~Confirmed) — first a daughter (b.~1929), then head of a 6-person household.
Age 11
b. ~1929
Female
Daughter
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Fountain-County, Indiana |
| Surname | Carlson |
| Given Name | Emma K. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Davis Township |
| 1935 Residence (County) | Fountain |
| Additional Details | |
| Highest Grade | No 5 |
| 1935 Residence | Same Place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Township / Ward | Davis Township |
| Est. Birth Year | ~1929 |
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 Emma | Age | Birth yr |
|---|---|---|---|---|
| Paul Carlson | Son | — | 18 | ~1922 |
| Gladys Carlson | Spouse | — | 38 | ~1902 |
| Russell Carlson | Son | — | 20 | ~1920 |
| Lloyd Carlson | Son | — | 16 | ~1924 |
| Hansel Carlson | Head | — | 45 | ~1895 |
| Emma Carlson | Daughter | — | 11 | ~1929 |
Census Appearances
1930
Fountain, Indiana
Other, age 1
Fountain, Indiana · implied b. ~1929 — 26 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carlson |
| Given Name | Emma K |
| Relationship to Head | Dau |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Fountain-County, Indiana
Daughter, age 11
Fountain-County, Indiana · implied b. ~1929 — 6 household members
| Surname | Carlson |
| Given Name | Emma K. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Davis Township |
| 1935 Residence (County) | Fountain |
| Highest Grade | No 5 |
| 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 Emma Carlson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Emma Carlson
Daughter · 1940 · age 11 · b. ~1929 · Indiana
★ You are viewing this record
Sibling
Paul Carlson
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lloyd Carlson
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Russell Carlson
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 — Fountain-County, Indiana
Open full size
1940 US Federal Census — Fountain-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01044-00043)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Robert L. Martin | 42 | Head | Farmer | Indiana |
| 2 | Evelyn M. Martin | 38 | Wife | — | Indiana |
| 3 | Barbara J. Martin | 9 | Daughter | — | Indiana |
| 4 | Charles B. Martin | 4 | Son | — | Indiana |
| 5 | Norman L. Martin | 2 | Son | — | Indiana |
| 6 | Anna D. Murphey | 17 | Housekeeper | House Keeper | Tennessee |
| 7 | Clinton J. Flora | 42 | Head | Farmer | Indiana |
| 8 | Lena D. Flora | 35 | Wife | — | Indiana |
| 9 | Martha A. Flora | 2 | Daughter | — | Indiana |
| 10 | Charles A. Flora | 0 | Son | — | Indiana |
| 11 | Ida Flora | 65 | Mother | — | Indiana |
| 12 | Frank L. Mattox | 54 | Head | Farmer | Indiana |
| 13 | Cassie Mattox | 54 | Wife | — | Indiana |
| 14 | Robert L. Stonebraker | 37 | Head | Trucker | Indiana |
| 15 | Susie Stonebraker | 35 | Wife | — | Indiana |
| 16 | William A. Stonebraker | 14 | Son | — | Indiana |
| 17 | Mary M. Stonebraker | 12 | Daughter | — | Indiana |
| 18 | John P. Stonebraker | 11 | Son | — | Indiana |
| 19 | Thomas H. Stonebraker | 5 | Son | — | Indiana |
| 20 | Franklin C. Stonebraker | 3 | Son | — | Indiana |
| 21 | James Stonebraker | 0 | Son | — | Indiana |
| 22 | Clarence Lean Treese | 38 | Head | Farmer | Indiana |
| 23 | Katherine Lean Treese | 36 | Wife | — | Indiana |
| 24 | Jean E. Lean Treese | 14 | Daughter | — | Indiana |
| 25 | Robert L. Lean Treese | 6 | Son | — | Indiana |
| 26 | Hansel H. Carlson | 45 | Head | Farmer | Indiana |
| 27 | Gladys Carlson | 38 | Wife | — | Indiana |
| 28 | Russell Carlson | 20 | Son | Trucker | Indiana |
| 29 | Paul Carlson | 18 | Son | — | Indiana |
| 30 | Lloyd Carlson | 16 | Son | — | Indiana |
| 31 | Emma K. Carlson THIS PERSON | 11 | Daughter | — | Indiana |
| 32 | Clarence Duncan | 53 | Head | Farmer | Indiana |
| 33 | Georgia D. Duncan | 50 | Wife | — | Virginia |
| 34 | Chancellor Houts | 58 | Hired Hand | Laborer | Indiana |
| 35 | Archie Glenduff | 51 | Head | Farmer | Indiana |
| 36 | Josephine Glenduff | 45 | Wife | — | Indiana |
| 37 | William R. Glenduff | 17 | Son | — | Indiana |
| 38 | Jack Glenduff | 9 | Son | — | Indiana |
| 39 | Joseph M. Epperly | 73 | Cousin | — | Indiana |
| 40 | Philo Selic | 51 | Head | — | Minnesota |
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)