EA
Ellen Anderson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Lake-County, Colorado
Our Model Tree links this Ellen Anderson across the 1920, 1930 and 1940 US Censuses in Lake-County, Colorado (XGBoost, ~Confirmed), with identified parents Andrew & Anna — first a daughter (b.~1902), then head of a 2-person household.
Age 38
b. ~1902
Female
Daughter
Born: Colorado
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Lake-County, Colorado |
| Surname | Anderson |
| Given Name | Ellen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Single |
| Birthplace | Colorado |
| 1935 Residence (City) | Leadville city |
| 1935 Residence (County) | Lake |
| Additional Details | |
| Occupation | Saleslady |
| Industry | Retail Dry Goods |
| Class of Worker | PW |
| Hours Worked | 52 |
| Income (1939) | 635 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Occupation | Saleslady |
| Township / Ward | Leadville City |
| Est. Birth Year | ~1902 |
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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ellen | Age | Birth yr |
|---|---|---|---|---|
| Ellen Anderson | Daughter | — | 38 | ~1902 |
| A Anderson | Head | — | 48 | ~1892 |
Census Appearances
1920
Lake, Colorado
Daughter, age 19
Lake, Colorado · implied b. ~1901 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Ellen |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Finland |
| Mother's Birthplace | Finland |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1930
Lake, Colorado
Daughter, age 29
Lake, Colorado · implied b. ~1901 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Ellen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Finland |
| Mother's Birthplace | Finland |
| Occupation | Saleslady |
| Industry | Women's Clothing |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1940
Lake-County, Colorado
Daughter, age 38
Lake-County, Colorado · implied b. ~1902 — 2 household members
| Surname | Anderson |
| Given Name | Ellen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Single |
| Birthplace | Colorado |
| 1935 Residence (City) | Leadville city |
| 1935 Residence (County) | Lake |
| Occupation | Saleslady |
| Industry | Retail Dry Goods |
| Class of Worker | PW |
| Hours Worked | 52 |
| Income (1939) | 635 |
| Highest Grade | No 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 Ellen Anderson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Andrew Anderson (~0.92 confidence) and mother Anna Anderson (~0.92 confidence) and mother Anna Anderson (~0.92 confidence) and father A Anderson (~0.60 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.84
Father
Andrew Anderson
b. ~1872
Source father
● Household
· direct · ~0.92
Mother
Anna Anderson
b. ~1872
Source mother
● Household
· direct · ~0.92
Mother
Anna Anderson
b. ~1883
Source mother
● Household
· direct · ~0.92
Father
A Anderson
b. ~1892
Source father
● Household
· direct · ~0.6
This person
Anchor record
Ellen Anderson
Daughter · 1940 · age 38 · b. ~1902 · Colorado
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Lake-County, Colorado
Open full size
1940 US Federal Census — Lake-County, Colorado
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00466-00391)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Vitoria Morgan | 48 | Wife | — | Missouri |
| 2 | John Morgan | 18 | Son | — | Wyoming |
| 3 | J. E. Watkins | 60 | Head | Laborer | Colorado |
| 4 | A. Roose | 49 | Head | Miner | Colorado |
| 5 | A. H. (Ab) Anderson | 48 | Head | — | Finland |
| 6 | Ellen Anderson THIS PERSON | 38 | Daughter | Saleslady | Colorado |
| 7 | Rudolph Jacobson | 27 | Head | Ore Sampler | Colorado |
| 8 | A. G. Jacobson | 27 | Wife | — | Colorado |
| 9 | V. E. Jacobson | 1 | Son | — | Colorado |
| 10 | R. E. Purse | 58 | Head | — | Colorado |
| 11 | M. J. Brink | 64 | Head | — | Finland |
| 12 | Albin Brink | 37 | Son | Salesman | Colorado |
| 13 | Agnes Brink | 33 | Daughter-in-law | Saleslady | Colorado |
| 14 | Matilda Brink | 13 | Granddaughter | — | Colorado |
| 15 | Wilfred Brink | 21 | Son | Salesman | Colorado |
| 16 | Mary Nicholson | 61 | Head | — | Finland |
| 17 | A. J. Mcdowell | 32 | Head | Miner (Underground) | Kansas |
| 18 | S. D. Mcdowell | 32 | Wife | — | Missouri |
| 19 | P. A. Mcdowell | 5 | Daughter | — | Colorado |
| 20 | Geo. E. Cramer | 71 | Head | Metal Miner | Canada English |
| 21 | Eunice Cramer | 63 | Wife | — | Iowa |
| 22 | Guy Cramer | 35 | Son | — | Colorado |
| 23 | Lucy Cramer | 33 | Daughter | Superintendent | Colorado |
| 24 | Lewis Cramer | 31 | Son | Mine Superintendent | Colorado |
| 25 | L. F. Blakey | 27 | Daughter | — | Colorado |
| 26 | N. R. Blakey | 30 | Son-in-law | Metal Mill Operator | Colorado |
| 27 | John Pringle | 34 | Nephew | Leasing Metal | Colorado |
| 28 | Martin Thuren | 54 | Head | — | Sweden |
| 29 | Robert R. Mcdonald | 39 | Head | Salesman | Colorado |
| 30 | Hilda L. Mcdonald | 32 | Wife | Bookkeeper | Colorado |
| 31 | M. J. Lane | 32 | Head | Hoisting Engineer | Colorado |
| 32 | A. M. Lane | 24 | Wife | — | Colorado |
| 33 | M. Lane | 2 | Son | — | Colorado |
| 34 | Henry Tritz | 35 | Head | Truck Mechanic | Colorado |
| 35 | J. F. Tritz | 25 | Wife | — | Utah |
| 36 | Barbara Tritz | 8 | Daughter | — | Colorado |
| 37 | Dale Tritz | 7 | Son | — | Colorado |
| 38 | Geo. Louis William | 54 | Head | Bricklayer | Colorado |
| 39 | Ida B. William | 47 | Wife | — | Colorado |
| 40 | Beryl William | 15 | Daughter | — | Colorado |
Pedigree Summary
Ellen
Gen 1 · 4 parents
~0.84
Max depth 4 (1900–1950 window)
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)