DC
Dorothy Clark — 1930 US Census Record
Model Tree available1930 United States Federal Census · Cook, Illinois
Our Model Tree links this Dorothy Clark across the 1910, 1920 and 1930 US Censuses in Cook, Illinois (XGBoost, ~Confirmed), with identified parents Ernest & Ernest — first a daughter (b.~1903), then head of a 3-person household.
Age 27
b. ~1903
Female
Daughter
Born: Indiana
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Cook, Illinois |
| Surname | Clark |
| Given Name | Dorothy J |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Additional Details | |
| Occupation | Secretary |
| Industry | Bank |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Secretary |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1903 |
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.
3 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Dorothy | Age | Birth yr |
|---|---|---|---|---|
| Dorothy Clark | Daughter | — | 27 | ~1903 |
| Ernest Clark | Head | — | 55 | ~1875 |
| Lucille Clark | Spouse | — | 50 | ~1880 |
Census Appearances
1910
Cook, Illinois
Daughter, age 7
Cook, Illinois · implied b. ~1903 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Speaks English | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1920
Cook, Illinois
Daughter, age 17
Cook, Illinois · implied b. ~1903 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Louisiana |
| Occupation | Student |
| Industry | University of Chicago |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Cook, Illinois
Daughter, age 27
Cook, Illinois · implied b. ~1903 — 3 household members
| Surname | Clark |
| Given Name | Dorothy J |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | Secretary |
| Industry | Bank |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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 Dorothy Clark across 3 US Census years (1910, 1920 and 1930) in Cook, Illinois, using XGBoost record linkage. Identified parents: father Ernest Clark (~0.92 confidence) and father Ernest Clark (~0.92 confidence) and mother Lucille Clark (~0.92 confidence) and mother Lucile Clark (~0.92 confidence) and mother Lucille Clark (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Ernest Clark
b. ~1875
Source father
● Household
· direct · ~0.92
Father
Ernest Clark
b. ~1875
Source father
● Household
· direct · ~0.92
Mother
Lucille Clark
b. ~1877
Source mother
● Household
· direct · ~0.92
Mother
Lucile Clark
b. ~1878
Source mother
● Household
· direct · ~0.92
Mother
Lucille Clark
b. ~1880
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Dorothy Clark
Daughter · 1930 · age 27 · b. ~1903 · Illinois
★ You are viewing this record
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
50 people indexed on this census page (ia:1930:illinoiscensus00reel422:1146)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Anna H Keen | 63 | Wife | None | Michigan |
| 52 | Marie E Keen | 11 | Daughter | None | Illinois |
| 53 | Helen E Williams | 30 | Daughter | Secretary | Illinois |
| 54 | John F Williams | 3 | Grandson | None | Illinois |
| 55 | Charles D Williams | 1 | Grandson | None | Illinois |
| 56 | William D Macmillan | 58 | Head | Professor | Wisconsin |
| 57 | Janet Macmillan | 49 | Sister | None | Wisconsin |
| 58 | Beveridge H Moore | 49 | Head | Physician | Illinois |
| 59 | Anne F Moore | 47 | Wife | None | Illinois |
| 60 | Edward B (Abs) Moore | 15 | Son | None | Connecticut |
| 61 | Stephen H (Abs) Moore | 14 | Son | None | Illinois |
| 62 | Lawrence Brodie | 55 | Head | Owner | England |
| 63 | Doris E Brodie | 41 | Wife | None | Illinois |
| 64 | Arthur H Steinhaus | 22 | Head | Instructor | Illinois |
| 65 | Eva Steinhaus | 34 | Wife | None | Illinois |
| 66 | Robert E Park | 66 | Head | Professor | Pennsylvania |
| 67 | Clara C Park | 61 | Wife | None | Michigan |
| 68 | Henry X Holzman | 60 | Head | Auditor | Iowa |
| 69 | Elizabeth T Holzman | 54 | Wife | Artist | Nebraska |
| 70 | John T Holzman | 24 | Son | Architect | Iowa |
| 71 | Ernest A Clark | 55 | Head | Civil Engineer | Indiana |
| 72 | Lucille C Clark | 50 | Wife | None | Indiana |
| 73 | Dorothy J Clark THIS PERSON | 27 | Daughter | Secretary | Indiana |
| 74 | Emery Jackson | 50 | Head | Architect | Illinois |
| 75 | Laura Jackson | 44 | Sister | None | Illinois |
| 76 | Kenneth Sears | 39 | Head | Professor | Missouri |
| 77 | Margaret F Sears | 28 | Wife | None | Minnesota |
| 78 | Kenneth Jr Sears | 3 | Son | None | Illinois |
| 79 | John Fox | 52 | Head | Teacher | Pennsylvania |
| 80 | Mystic P Fox | 47 | Wife | None | New York |
| 81 | John P Fox | 21 | Son | Clerk | Illinois |
| 82 | William T (Abs) Fox | 18 | Son | None | Illinois |
| 83 | David S Fox | 6 | Son | None | Illinois |
| 84 | Edward M Martin | 34 | Head | Civil Service | Illinois |
| 85 | Edna A Martin | 34 | Wife | Protective Officer | Iowa |
| 86 | Arthur White | 68 | Head | Manager | Iowa |
| 87 | Mary G White | 69 | Wife | None | Kansas |
| 88 | Julia White | 26 | Daughter | None | Illinois |
| 89 | Gilbert F White | 18 | Son | None | Illinois |
| 90 | Elizabeth E Lewis | 91 | Head | None | Massachusetts |
| 91 | Mary C Lewis | 58 | Daughter | Teacher | Illinois |
| 92 | Susan W Lewis | 58 | Daughter | Teacher | Illinois |
| 93 | Jessie Snow | 65 | Niece | None | Illinois |
| 94 | Mabelle D Fellows | 59 | Niece | Teacher | Illinois |
| 95 | Edward O Bell | 63 | Head | None | Kentucky |
| 96 | Effie Bell | 58 | Wife | None | Kentucky |
| 97 | Thomas Bell | 9 | Grandson | None | Indiana |
| 98 | Phyllis Bell | 7 | Granddaughter | None | Kentucky |
| 99 | Margaret Bell | 29 | Daughter | Stylist | Indiana |
| 100 | Harvey A Archer | 47 | Head | Porter | Kansas |
Pedigree Summary
Dorothy
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)