HC
Helen Carlson — 1930 US Census Record
Model Tree available1930 United States Federal Census · Cook, Illinois
Our Model Tree links this Helen Carlson across the 1910, 1920 and 1930 US Censuses in Cook, Illinois (XGBoost, ~Confirmed), with identified parents Andrew & Eno — first a daughter (b.~1908), then head of a 6-person household.
Age 22
b. ~1908
Female
Daughter
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Cook, Illinois |
| Surname | Carlson |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Additional Details | |
| Occupation | Stenographer |
| Industry | Chamber of Commerce |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Stenographer |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1908 |
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 1930 census.
| Name | Relation to head | Relative to Helen | Age | Birth yr |
|---|---|---|---|---|
| Eno Carlson | Head | — | 45 | ~1885 |
| Conrad Carlson | Son | — | 21 | ~1909 |
| Helen Carlson | Daughter | — | 22 | ~1908 |
| Lillian Carlson | Daughter | — | 14 | ~1916 |
| Hannah Carlson | Other | — | 50 | ~1880 |
| Raymond Carlson | Son | — | 16 | ~1914 |
Census Appearances
1910
Cook, Illinois
Daughter, age 2
Cook, Illinois · implied b. ~1908 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carlson |
| Given Name | Helen M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1920
Cook, Illinois
Daughter, age 13
Cook, Illinois · implied b. ~1907 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carlson |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Daughter, age 22
Cook, Illinois · implied b. ~1908 — 6 household members
| Surname | Carlson |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Stenographer |
| Industry | Chamber of Commerce |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Helen Carlson across 3 US Census years (1910, 1920 and 1930) in Cook, Illinois, using XGBoost record linkage. Identified parents: father Andrew Carlson (~0.92 confidence) and father Eno Carlson (~0.92 confidence) and father Eric Carlson (~0.92 confidence) and mother Alfrida Carlson (~0.92 confidence) and mother Hannah Carlson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Andrew Carlson
b. ~1874
Source father
● Household
· direct · ~0.92
Father
Eno Carlson
b. ~1885
Source father
● Household
· direct · ~0.92
Father
Eric Carlson
b. ~1888
Source father
● Household
· direct · ~0.92
Mother
Alfrida Carlson
b. ~1875
Source mother
● Household
· direct · ~0.92
Mother
Hannah Carlson
b. ~1885
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Helen Carlson
Daughter · 1930 · age 22 · b. ~1908 · Illinois
★ You are viewing this record
Sibling
Raymond Carlson
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lillian Carlson
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Conrad Carlson
Sibling · 1930 · age 21
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 — Cook, Illinois
Open full size
1930 US Federal Census — Cook, Illinois
Page Contents
49 people indexed on this census page (ia:1930:illinoiscensus00reel430:0447)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Pressley C Colbert | 52 | Head | Policeman | Indiana |
| 52 | Christine Colbert | 50 | Wife-H | — | Indiana |
| 53 | Russell D Colbert | 20 | Son | Mechanic | Indiana |
| 54 | Raymond G Colbert | 28 | Head | Machinist | Illinois |
| 55 | Mildred Colbert | 23 | Wife-H | Telephone Opr | Illinois |
| 56 | Julian Colbert | 0 | Daughter | — | Illinois |
| 57 | Elizabeth Lees | 69 | Head | — | Scotland |
| 58 | Cadwallader Lees | 42 | Daughter-H | — | Illinois |
| 59 | John Barron | 66 | Head | — | Scotland |
| 60 | Jessie Barron | 66 | Wife-H | — | Scotland |
| 61 | Jessie M Barron | 22 | Daughter | Book-Keeper | Illinois |
| 62 | John Quiker | 27 | Head | Chauffeur | Illinois |
| 63 | Catherine M Quiker | 28 | Wife-H | Clerk | Illinois |
| 64 | Arthur L Quiker | 25 | Head | Trimmer | Illinois |
| 65 | Henrietta Quiker | 20 | Wife-H | Clerk | Illinois |
| 66 | Helen Nolan | 47 | Head | — | Ireland |
| 67 | Gunnard Blomberg | 43 | Head | Traveling Salesman | Sweden |
| 68 | Gustav Blomberg | 71 | Brother | — | Sweden |
| 70 | Emil Wiedin | 60 | Head | Carpenter | Sweden |
| 71 | Sophie Wiedin | 52 | Wife-H | — | Sweden |
| 72 | Francis Wiedin | 15 | Son-H | — | Illinois |
| 73 | Carl Peterson | 79 | Brother-in-law | Laborer | Sweden |
| 74 | Anna Peterson | 75 | Sister-H | — | Sweden |
| 75 | Eno G Carlson | 45 | Head | Carpenter | Sweden |
| 76 | Hannah Carlson | 50 | Wife-H | — | Sweden |
| 77 | Helen Carlson THIS PERSON | 22 | Daughter | Stenographer | Illinois |
| 78 | Conrad Carlson | 21 | Son | Asst Buyer | Illinois |
| 79 | Raymond Carlson | 16 | Son | — | Illinois |
| 80 | Lillian Carlson | 14 | Daughter | — | Illinois |
| 81 | Nick Vanderberg | 32 | Head | Chauffeur | Illinois |
| 82 | Mathilda Vanderberg | 31 | Wife-H | — | Illinois |
| 83 | Rudolph Blaauw | 54 | Head | Janitor | Holland |
| 84 | Johanna Blaauw | 51 | Wife-H | — | Holland |
| 85 | Bernardus Blaauw | 27 | Son | Clerk (Office) | Holland |
| 86 | Joseph Blaauw | 21 | Son | Clerk | Michigan |
| 87 | Jennie Blaauw | 18 | Daughter | Stenographer | Michigan |
| 88 | John Houdek | 32 | Head | Laborer | Indiana |
| 89 | Pearl Houdek | 32 | Wife-H | — | Indiana |
| 90 | Ella Houdek | 12 | Daughter | — | Illinois |
| 91 | Herman Voss | 41 | Head | Blacksmith | Holland |
| 92 | Helen Voss | 42 | Wife-H | — | Holland |
| 93 | Helen Voss | 16 | Daughter | — | Illinois |
| 94 | Nellie Voss | 13 | Daughter | — | Illinois |
| 95 | Alida Voss | 11 | Daughter | — | Illinois |
| 96 | Hugh Fry | 37 | Head | Laborer | Scotland |
| 97 | Jean Fry | 37 | Wife-H | — | Scotland |
| 98 | William Fry | 3 | Son | — | Illinois |
| 99 | Richard C Van Buer | 26 | Head | Fireman | Illinois |
| 100 | Johanna Van Buer | 27 | Wife-H | — | Illinois |
Pedigree Summary
Helen + 3 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)