CP
Clara Peterson — 1920 US Census Record
Model Tree available1920 United States Federal Census · Denver, Colorado
Our Model Tree links this Clara Peterson across the 1920, 1930 and 1940 US Censuses in Denver, Colorado (XGBoost, ~Confirmed), with identified parents Lizzie & Lena — first a son (b.~1909), then head of a 7-person household.
Age 11
b. ~1909
Male
Son
Born: Colorado
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Denver, Colorado |
| Surname | Peterson |
| Given Name | Clara |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Township / Ward | Denver City |
| Est. Birth Year | ~1909 |
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.
7 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Clara | Age | Birth yr |
|---|---|---|---|---|
| Hilda Peterson | Daughter | — | 8 | ~1912 |
| Clara Peterson | Son | — | 11 | ~1909 |
| Harry Peterson | Son | — | 15 | ~1905 |
| Lena Peterson | Spouse | — | 48 | ~1872 |
| Algot Peterson | Son | — | 17 | ~1903 |
| Delma Peterson | Daughter | — | 5 | ~1915 |
| Carl Peterson | Head | — | 47 | ~1873 |
Census Appearances
1920
Denver, Colorado
Son, age 11
Denver, Colorado · implied b. ~1909 — 7 household members
| Surname | Peterson |
| Given Name | Clara |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1930
Arapahoe, Colorado
Son, age 22
Arapahoe, Colorado · implied b. ~1908 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Petterson |
| Given Name | Carl |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Labor |
| Industry | Creamery |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1940
Denver-County, Colorado
Head, age 32
Denver-County, Colorado · implied b. ~1908 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Patterson |
| Given Name | Carl A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Colorado |
| 1935 Residence (City) | Denver |
| 1935 Residence (County) | Denver |
| Occupation | Repairman |
| Industry | Auto Shop |
| Class of Worker | OA |
| Hours Worked | 56 |
| Income (1939) | 0 |
| 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 Clara Peterson across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: mother Lizzie Petterson (~0.92 confidence) and mother Lena Peterson (~0.92 confidence) and father Carl Peterson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Lizzie Petterson
b. ~1865
Source mother
● Household
· direct · ~0.92
Mother
Lena Peterson
b. ~1872
Source mother
● Household
· direct · ~0.92
Father
Carl Peterson
b. ~1873
Source father
● Household
· direct · ~0.92
This person
Anchor record
Clara Peterson
Son · 1920 · age 11 · b. ~1909 · Colorado
★ You are viewing this record
Sibling
Hilda Peterson
Sibling · 1920 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Algot Peterson
Sibling · 1920 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Delma Peterson
Sibling · 1920 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harry Peterson
Sibling · 1920 · 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
1920 US Federal Census — Denver, Colorado
Open full size
1920 US Federal Census — Denver, Colorado
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu161unit:0470)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Albert J. Housman | 8 | Son | — | Colorado |
| 2 | Wilhelmina Duggan | 72 | Mother-in-law | — | Germany |
| 3 | John A. Darling | 34 | Head | Teamster | Nebraska |
| 4 | Mary E. Darling | 33 | Wife | — | Illinois |
| 5 | John A. Jr. Darling | 10 | Son | — | Colorado |
| 6 | Joseph G. Darling | 8 | Son | — | Colorado |
| 7 | Richard E. Darling | 4 | Son | — | Nebraska |
| 8 | James M. Hickerson | 67 | Head | Expressman | Illinois |
| 9 | Sarah M. Hickerson | 62 | Wife | — | Illinois |
| 10 | James M. Hickerson | 33 | Son | Correspondent | Colorado |
| 11 | Charles H. Mccullough | 47 | Head | Conductor | Pennsylvania |
| 12 | Catherine J. Mccullough | 47 | Wife | — | Pennsylvania |
| 13 | Charles J. Mccullough | 24 | Son | Freight Clk | Pennsylvania |
| 14 | James A. Mccullough | 22 | Son | Machinist | Pennsylvania |
| 15 | Marie C. Mccullough | 19 | Daughter | Stenographer | Pennsylvania |
| 16 | Margaret M. Mccullough | 16 | Daughter | — | Pennsylvania |
| 17 | Carl A. Peterson | 47 | Head | Cabinetmaker | Sweden |
| 18 | Lena Peterson | 48 | Wife | — | Sweden |
| 19 | Algot Peterson | 17 | Son | Salesman | Colorado |
| 20 | Harry Peterson | 15 | Son | Clerk | Colorado |
| 21 | Clara Peterson THIS PERSON | 11 | Son | — | Colorado |
| 22 | Hilda M. Peterson | 8 | Daughter | — | Colorado |
| 23 | Delma V. Peterson | 5 | Daughter | — | Colorado |
| 24 | James B. Kilbride | 52 | Head | Moulder | Ireland |
| 25 | Catherine A. Kilbride | 48 | Wife | — | New Jersey |
| 26 | James T. Kilbride | 18 | Son | Teamster | Colorado |
| 27 | Thomas Mclake | 41 | Brother-in-law | Boilermaker | Ireland |
| 28 | Joseph R. Lansing | 34 | Head | Salesman | Kansas |
| 29 | Elizabeth M. Lansing | 26 | Wife | — | Colorado |
| 30 | Joseph Lansing | 4 | Son | — | Colorado |
| 31 | Elizabeth D. Lansing | 2 | Daughter | — | Colorado |
| 32 | Harry R. Kaufman | 28 | Head | Repairman | Colorado |
| 33 | Sarah G. Kaufman | 21 | Wife | — | Colorado |
| 34 | Harry R. Jr. Kaufman | 4 | Son | — | Colorado |
| 35 | John P. Kaufman | 2 | Son | — | Colorado |
| 36 | Bernice M. Kaufman | 0 | Daughter | — | Colorado |
| 37 | John A. Kaufman | 24 | Brother | Plumber | Colorado |
| 38 | Arthur W. Mickelson | 31 | Head | Repairman | Colorado |
| 39 | Lillie M. Mickelson | 28 | Wife | — | Colorado |
| 40 | Leonard A. Mickelson | 8 | Son | — | Colorado |
| 41 | William A. Mickelson | 5 | Son | — | Colorado |
| 42 | Harold F. Mickelson | 1 | Son | — | Colorado |
| 43 | Olaf Hoagland | 47 | Head | Carpenter | Sweden |
| 44 | Ida S. Hoagland | 52 | Wife | — | Sweden |
| 45 | John Hoagland | 33 | Son | Mechanic | Missouri |
| 46 | John B. King | 56 | Head | Fireman | England |
| 47 | Dora E. King | 39 | Wife | — | Kansas |
| 48 | John E. King | 20 | Son | Laborer | Colorado |
| 49 | Eleanor King | 14 | Daughter | — | Colorado |
| 50 | Alice King | 8 | Daughter | — | Colorado |
Pedigree Summary
Clara + 4 siblings
Gen 1 · 3 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)