MP
Mildred Peterson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Elbert-County, Colorado
Our Model Tree links this Mildred Peterson across the 1920, 1930 and 1940 US Censuses in Elbert-County, Colorado (XGBoost, ~Confirmed), with identified parents Axel & Axel — first a daughter (b.~1919), then head of a 4-person household.
Age 21
b. ~1919
Female
Daughter
Born: Colorado
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Elbert-County, Colorado |
| Surname | Peterson |
| Given Name | Mildred A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Colorado |
| 1935 Residence (City) | Precinct - 4 - Elbert |
| 1935 Residence (County) | Elbert |
| Additional Details | |
| Occupation | Servant |
| Industry | Private home |
| Class of Worker | PW |
| Hours Worked | 14 |
| Income (1939) | 520 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Occupation | Servant |
| Township / Ward | Precinct 4 Elbert |
| Est. Birth Year | ~1919 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mildred | Age | Birth yr |
|---|---|---|---|---|
| Louise Peterson | Daughter | — | 15 | ~1925 |
| Mildred Peterson | Daughter | — | 21 | ~1919 |
| Axel Peterson | Head | — | 52 | ~1888 |
| Anna Peterson | Spouse | — | 47 | ~1893 |
Census Appearances
1920
Elbert, Colorado
Daughter, age
Elbert, Colorado · implied b. ~1920 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Mildred L |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1930
Elbert, Colorado
Daughter, age 11
Elbert, Colorado · implied b. ~1919 — 41 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Mildred S. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read/Write | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1940
Elbert-County, Colorado
Daughter, age 21
Elbert-County, Colorado · implied b. ~1919 — 4 household members
| Surname | Peterson |
| Given Name | Mildred A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Colorado |
| 1935 Residence (City) | Precinct - 4 - Elbert |
| 1935 Residence (County) | Elbert |
| Occupation | Servant |
| Industry | Private home |
| Class of Worker | PW |
| Hours Worked | 14 |
| Income (1939) | 520 |
| Highest Grade | H 4 |
| 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 Mildred Peterson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Axel Peterson (~0.92 confidence) and father Axel Peterson (~0.92 confidence) and mother Anna Peterson (~0.92 confidence) and mother Emma Peterson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Axel Peterson
b. ~1888
Source father
● Household
· direct · ~0.92
Father
Axel Peterson
b. ~1888
Source father
● Household
· direct · ~0.92
Mother
Anna Peterson
b. ~1893
Source mother
● Household
· direct · ~0.92
Mother
Emma Peterson
b. ~1894
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mildred Peterson
Daughter · 1940 · age 21 · b. ~1919 · Colorado
★ You are viewing this record
Sibling
Louise Peterson
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 — Elbert-County, Colorado
Open full size
1940 US Federal Census — Elbert-County, Colorado
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00460-00468)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Charles Lithaland | 61 | Head | Farmer | Illinois |
| 2 | Edna Lithaland | 60 | Wife | — | Illinois |
| 3 | Earl E. Phillips | 39 | Head | Farm Labor | Iowa |
| 4 | Elmore E. Phillips | 35 | Wife | — | Illinois |
| 5 | Floyd E. Phillips | 7 | Son | — | Colorado |
| 6 | W. Sharon Lithaland | 31 | Head | Farm Laborer | Colorado |
| 7 | Edith M. Lithaland | 27 | Wife | — | Iowa |
| 8 | Vignea E. Lithaland | 6 | Daughter | — | Colorado |
| 9 | Shirley M. Lithaland | 5 | Daughter | — | Colorado |
| 10 | Elwood L. Lithaland | 2 | Son | — | Colorado |
| 11 | Merrill G. Lithaland | 1 | Son | — | Colorado |
| 12 | Eugene Archer | 43 | Head | Farmer | Indiana |
| 13 | Edith M. Archer | 76 | Mother | — | Missouri |
| 14 | Lyle E. Corley | 32 | Head | Farmer | Illinois |
| 15 | Lawson M. Phillips | 72 | Head | Farmer | Illinois |
| 16 | Ella M. Phillips | 67 | Wife | — | New York |
| 17 | Carlo Topparo | 58 | Head | Farmer | Italy |
| 18 | Orsola Topparo | 55 | Wife | — | Italy |
| 19 | Dominic S. Topparo | 21 | Son | Farm Laborer | Italy |
| 20 | Norman Topparo | 14 | Son | — | Colorado |
| 21 | Dorothy V. Topparo | 12 | Daughter | — | Colorado |
| 22 | Merle H. Adams | 34 | Head | Farmer | Nebraska |
| 23 | Helen M. Adams | 40 | Wife | — | Colorado |
| 24 | Katherine Adams | 10 | Daughter | — | Colorado |
| 25 | Helene Adams | 9 | Daughter | — | Colorado |
| 26 | Wesley Foster | 28 | Head | Farm Laborer | Colorado |
| 27 | Florence Foster | 25 | Wife | — | Colorado |
| 28 | Marjorie A. Foster | 5 | Daughter | — | Colorado |
| 29 | Donald Foster | 3 | Son | — | Colorado |
| 30 | Martin A. Fortman | 33 | Head | Farmer | Minnesota |
| 31 | Lola E. Fortman | 30 | Wife | — | Nebraska |
| 32 | Lynda Dale Fortman | 3 | Daughter | — | Colorado |
| 33 | Adolph Runge | 65 | Head | Farmer | Germany |
| 34 | Mary E. Runge | 58 | Wife | — | Ohio |
| 35 | William C. Runge | 24 | Son | Farm Laborer | Colorado |
| 36 | Mary V. Runge | 25 | Daughter | — | Illinois |
| 37 | Axel E. Peterson | 52 | Head | Farmer | Colorado |
| 38 | Anna E. Peterson | 47 | Wife | — | Sweden |
| 39 | Mildred A. Peterson THIS PERSON | 21 | Daughter | Servant | Colorado |
| 40 | Louise E. Peterson | 15 | Daughter | — | Colorado |
Pedigree Summary
Mildred + 1 sibling
Gen 1 · 4 parents
~0.92
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)