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Charles Carlson — 1930 US Census Record
Model Tree available1930 United States Federal Census · Boulder, Colorado
Our Model Tree links this Charles Carlson across the 1920, 1930 and 1940 US Censuses in Boulder, Colorado (XGBoost, ~Confirmed), with identified parents Marie & Bertha — first a son (b.~1919), then head of a 5-person household.
Age 11
b. ~1919
Male
Son
Born: Colorado
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Boulder, Colorado |
| Surname | Carlson |
| Given Name | Charles W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Norway |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Township / Ward | Township 2 Part Of Burlington |
| 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.
5 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Charles | Age | Birth yr |
|---|---|---|---|---|
| Cora Carlson | Daughter | — | 24 | ~1906 |
| Isaac Carlson | Head | — | 50 | ~1880 |
| Bertha Carlson | Other | — | 52 | ~1878 |
| Charles Carlson | Son | — | 11 | ~1919 |
| Fred Carlson | Son | — | 20 | ~1910 |
Census Appearances
1920
Boulder, Colorado
Son, age 1
Boulder, Colorado · implied b. ~1919 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carlson |
| Given Name | Charles |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Norway |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1930
Boulder, Colorado
Son, age 11
Boulder, Colorado · implied b. ~1919 — 5 household members
| Surname | Carlson |
| Given Name | Charles W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Norway |
| Can Read/Write | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1940
Boulder-County, Colorado
Son, age 21
Boulder-County, Colorado · implied b. ~1919 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carlson |
| Given Name | Charlie |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Colorado |
| 1935 Residence (City) | Election Precinct 44 Burlington |
| 1935 Residence (County) | Boulder |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | Hs 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 Charles Carlson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Marie Carlson (~0.92 confidence) and mother Bertha Carlson (~0.92 confidence) and father Carl Carlson (~0.92 confidence) and father Isaac Carlson (~0.92 confidence) and father Carl Carlson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Marie Carlson
b. ~1878
Source mother
● Household
· direct · ~0.92
Mother
Bertha Carlson
b. ~1879
Source mother
● Household
· direct · ~0.92
Father
Carl Carlson
b. ~1880
Source father
● Household
· direct · ~0.92
Father
Isaac Carlson
b. ~1880
Source father
● Household
· direct · ~0.92
Father
Carl Carlson
b. ~1881
Source father
● Household
· direct · ~0.92
This person
Anchor record
Charles Carlson
Son · 1930 · age 11 · b. ~1919 · Colorado
★ You are viewing this record
Sibling
Fred Carlson
Sibling · 1930 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Cora Carlson
Sibling · 1930 · age 24
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
1930 US Federal Census — Boulder, Colorado
Open full size
1930 US Federal Census — Boulder, Colorado
Page Contents
50 people indexed on this census page (ia:1930:15thcensus230unit:1072)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ray E. Burdell | 45 | Head | Farmer | Colorado |
| 2 | Lillie A. Burdell | 47 | Sister-H | — | Colorado |
| 3 | Maud R. Burdell | 44 | Sister | — | Colorado |
| 4 | Grace B. Burdell | 38 | Sister | — | Colorado |
| 5 | Harry B. White | 25 | Head | Seamstress | Colorado |
| 6 | Daisy B. White | 25 | Wife-H | Farmer | Kansas |
| 7 | Arthur D. White | 3 | Son | — | Colorado |
| 8 | Roberta White | 1 | Daughter | — | Colorado |
| 9 | Henry Ehr | 31 | Head | Labor | Russia |
| 10 | Hazel Ehr | 27 | Wife-H | — | Russia |
| 11 | Irene Ehr | 11 | Daughter | — | Colorado |
| 12 | Frida Ehr | 9 | Daughter | — | Colorado |
| 13 | Helen Ehr | 8 | Daughter | — | Colorado |
| 14 | Emma Ehr | 6 | Daughter | — | Colorado |
| 15 | Harvey Ehr | 5 | Son | — | Colorado |
| 16 | Harold Ehr | 3 | Son | — | Colorado |
| 17 | Isaac T. Carlson | 50 | Head | Farmer | Denmark |
| 18 | Bertha M. Carlson | 52 | Wife-H | — | Norway |
| 19 | Cora S. Carlson | 24 | Daughter | Nurse | Colorado |
| 20 | Fred J. Carlson | 20 | Son | Labor | Colorado |
| 21 | Charles W. Carlson THIS PERSON | 11 | Son | — | Colorado |
| 22 | Roy L. Garner | 41 | Head | Farmer | Iowa |
| 23 | Lottie E. Garner | 35 | Wife-H | — | Nebraska |
| 24 | John E. Garner | 8 | Son | — | Colorado |
| 25 | Robert J. Fenton | 49 | Head | Farmer | Pennsylvania |
| 26 | Eola M. Fenton | 31 | Wife-H | — | Indiana |
| 27 | John H. Jacobson | 45 | Head | Farmer | Colorado |
| 28 | Bertha Jacobson | 43 | Wife-H | — | Colorado |
| 29 | Gladys L. Jacobson | 16 | Daughter | — | Colorado |
| 30 | Glenn Jr. Jacobson | 13 | Son | — | Colorado |
| 31 | Frank D. Wadsworth | 54 | Head | Farmer | Ohio |
| 32 | Mabel G. Wadsworth | 58 | Wife-H | — | Iowa |
| 33 | Edward J. Schweigert | 45 | Head | Farmer | Colorado |
| 34 | Annetta A. Schweigert | 41 | Wife-H | — | Colorado |
| 35 | Delmer E. Schweigert | 21 | Son | Laborer | Colorado |
| 36 | William B. Schweigert | 20 | Son | Clerk | Colorado |
| 37 | Gilbert E. Felton | 55 | Head | Farmer | Unknown |
| 38 | Melza L. Felton | 37 | Wife-H | — | Alabama |
| 39 | Mary D. Felton | 2 | Daughter | — | Colorado |
| 40 | Ben Perez | 35 | R | Laborer | New Mexico |
| 41 | Rosa Perez | 35 | Wife-H | — | New Mexico |
| 42 | Manuel Perez | 17 | Son | Laborer | New Mexico |
| 43 | Joe Perez | 10 | Son | Laborer | New Mexico |
| 44 | Frankie Perez | 8 | Son | Laborer | New Mexico |
| 45 | Carlita Perez | 7 | Daughter | Laborer | New Mexico |
| 46 | Lupita Perez | 6 | Daughter | — | New Mexico |
| 47 | Gilberto Perez | 4 | Son | — | New Mexico |
| 48 | Toraida Perez | 2 | Daughter | — | Colorado |
| 49 | Gust Carlson | 51 | O | Farmer | Sweden |
| 50 | Ellen A. Carlson | 47 | Wife-H | — | Colorado |
Pedigree Summary
Charles + 2 siblings
Gen 1 · 5 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)