EC
Emma Carlson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · La-Plata-County, Colorado
Our Model Tree links this Emma Carlson across the 1930 and 1940 US Censuses in La-Plata-County, Colorado (XGBoost, ~Confirmed) — first a daughter (b.~1926), then head of a 6-person household.
Age 14
b. ~1926
Female
Daughter
Born: Colorado
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | La-Plata-County, Colorado |
| Surname | Carlson |
| Given Name | Emma Lorene |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Colorado |
| 1935 Residence (City) | Precinct 22 |
| 1935 Residence (County) | La Plata |
| Additional Details | |
| Industry | 0 |
| Highest Grade | G 8 |
| 1935 Residence | Same place |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Township / Ward | Precinct 22 |
| Est. Birth Year | ~1926 |
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 |
|---|---|---|---|---|
| John Carlson | Head | — | 44 | ~1896 |
| John Carlson | Son | — | 18 | ~1922 |
| Emma Carlson | Daughter | — | 14 | ~1926 |
| Anna Carlson | Daughter | — | 15 | ~1925 |
| Anne Carlson | Spouse | — | 44 | ~1896 |
| Emanuel Carlson | Son | — | 20 | ~1920 |
Census Appearances
1930
La Plata, …
Daughter, age 4
La Plata, Colorado · implied b. ~1926 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carlson |
| Given Name | Emma L |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Colorado |
| Mother's Birthplace | Iowa |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1940
La-Plata-County, Colorado
Daughter, age 14
La-Plata-County, Colorado · implied b. ~1926 — 6 household members
| Surname | Carlson |
| Given Name | Emma Lorene |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Colorado |
| 1935 Residence (City) | Precinct 22 |
| 1935 Residence (County) | La Plata |
| Industry | 0 |
| Highest Grade | G 8 |
| 1935 Residence | Same place |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
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 14 · b. ~1926 · Colorado
★ You are viewing this record
Sibling
John Carlson
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Emanuel Carlson
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anna Carlson
Sibling · 1940 · age 15
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 — La-Plata-County, Colorado
Open full size
1940 US Federal Census — La-Plata-County, Colorado
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00466-01087)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Betty Lou Franks | 12 | daughter | — | New Mexico |
| 42 | Robert Franks | 9 | son | — | Colorado |
| 43 | Mary Ellen Franks | 7 | daughter | — | Colorado |
| 44 | Leonard Franks | 5 | son | — | Colorado |
| 45 | John W. Carlson | 44 | Head | Operator | Colorado |
| 46 | Anne G. Carlson | 44 | wife | — | Iowa |
| 47 | Emanuel Carlson | 20 | son | Farm Laborer | Colorado |
| 48 | John Carlson | 18 | son | — | Colorado |
| 49 | Anna Mae Carlson | 15 | daughter | — | Colorado |
| 50 | Emma Lorene Carlson THIS PERSON | 14 | daughter | — | Colorado |
| 51 | R. Homer Riggin | 60 | Head | Farm Operator | Kansas |
| 52 | Ola Riggin | 58 | wife | — | Iowa |
| 53 | Ross Riggin | 20 | son | Farm Laborer | Kansas |
| 54 | Dale Riggin | 8 | son | — | Colorado |
| 55 | Claude C. Hodges | 49 | Head | Farm Operator | Colorado |
| 56 | Ivy Hodges | 45 | wife | — | S. Carolina |
| 57 | William P. Hodges | 19 | son | Farm Laborer | Colorado |
| 58 | W. Lester Webber | 25 | Head | Farm Operator | Colorado |
| 59 | Irene Webber | 19 | wife | — | Kansas |
| 60 | Betty Jean Webber | 2 | daughter | — | Colorado |
| 61 | Otto C. Williams | 37 | Head | Farm Laborer | Oklahoma |
| 62 | Ferne D. Williams | 33 | wife | — | Oklahoma |
| 63 | George J. Cage | 14 | son | — | New Mexico |
| 64 | Dona Ruth Cage | 12 | daughter | — | Colorado |
| 65 | Kenneth M. Cage | 8 | son | — | Colorado |
| 66 | Bernice Cage | 6 | daughter | — | Colorado |
| 67 | Rowena Cage | 4 | daughter | — | Colorado |
| 68 | Carol Williams | 1 | daughter | — | Colorado |
| 69 | P. Gordon Robertson | 33 | Head | Farm Operator | Colorado |
| 70 | Cleo Robertson | 26 | wife | — | Texas |
| 71 | Tommy J. Robertson | 1 | son | — | Colorado |
| 72 | Emmet G. Hott | 29 | Head | Farm Operator | Colorado |
| 73 | Jessie Marguerite Hott | 25 | wife | — | Colorado |
| 74 | Margaret Marie Hott | 2 | daughter | — | Colorado |
| 75 | Robert Emmet Hott | 0 | son | — | Colorado |
| 76 | James E. Ledford | 34 | Head | Farm Laborer | New Mexico |
| 77 | Rena Mae Ledford | 30 | wife | — | New Mexico |
| 78 | Verna Ruth Ledford | 3 | daughter | — | New Mexico |
| 79 | Viola Mae Ledford | 1 | daughter | — | New Mexico |
| 80 | Fred I. Mason | 55 | Head | Farm Operator | Kansas |
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)