AK
Anna Klein — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Anna Klein across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents John & Phillip — first a daughter (b.~1915), then head of a 3-person household.
Age 25
b. ~1915
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Klein |
| Given Name | Anna |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1915 |
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 1940 census.
| Name | Relation to head | Relative to Anna | Age | Birth yr |
|---|---|---|---|---|
| Phillip Klein | Head | — | 61 | ~1879 |
| Anna Klein | Daughter | — | 25 | ~1915 |
| Jennie Klein | Spouse | — | 52 | ~1888 |
Census Appearances
1920
Cook, Illinois
Daughter, age 5
Cook, Illinois · implied b. ~1915 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Klein |
| Given Name | Annie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Austria |
| Mother's Birthplace | Austria |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Daughter, age 15
Cook, Illinois · implied b. ~1915 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Klein |
| Given Name | Anna |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Austria |
| Mother's Birthplace | Hungary |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Daughter, age 25
Cook-County, Illinois · implied b. ~1915 — 3 household members
| Surname | Klein |
| Given Name | Anna |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| 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 Anna Klein across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Klein (~0.92 confidence) and father Phillip Klein (~0.92 confidence) and mother Jennie Klein (~0.92 confidence) and mother Julia Klein (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Klein
b. ~1873
Source father
● Household
· direct · ~0.92
Father
Phillip Klein
b. ~1879
Source father
● Household
· direct · ~0.92
Mother
Jennie Klein
b. ~1888
Source mother
● Household
· direct · ~0.92
Mother
Julia Klein
b. ~1877
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Anna Klein
Daughter · 1940 · age 25 · b. ~1915 · Illinois
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Cook-County, Illinois
Open full size
1940 US Federal Census — Cook-County, Illinois
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-00984-00229)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Phillip Klein | 61 | Head | Merchant | Austria |
| 42 | Jennie Klein | 52 | Wife | Assistant | Hungary |
| 43 | Anna Klein THIS PERSON | 25 | Daughter | — | Illinois |
| 44 | Thomas Lorenz | 29 | Head | Junior Clerk | Minnesota |
| 45 | Della Lorenz | 25 | Wife | — | Illinois |
| 46 | Joan Lorenz | 8 | Daughter | — | Illinois |
| 47 | Thomas Jr. Lorenz | 6 | Son | — | Illinois |
| 48 | Otto Joachim | 50 | Head | Houseman | Illinois |
| 49 | Martha Joachim | 41 | Wife | — | Illinois |
| 50 | Fred Russell | 53 | Head | Proprietor | Illinois |
| 51 | Walter Halladay | 47 | Head | Barber | Wisconsin |
| 53 | James P. Pannell | 62 | Head | — | Illinois |
| 54 | Daniel F. Ryan | 36 | Asst Pastor | — | Illinois |
| 55 | Thomas A. Dowling | 35 | Priest | — | Illinois |
| 56 | Katherine C. Corcoran | 40 | Secretary | Teaching H.S. | Illinois |
| 57 | Fannie Coy | 57 | Maid | Maid | New York |
| 58 | Helen Teresa Sister | 35 | Mother Superior | — | W. Virginia |
| 59 | Marcella C. Calhina Sister | 48 | Sister | — | Illinois |
| 60 | M. Seraphine Sister | 67 | Sister | — | Germany |
| 61 | Mary Dorothea Sister | 57 | Nun | — | Iowa |
| 62 | Agnes Clare Sister | 46 | Nun | — | Illinois |
| 63 | Ruth Donovan Sister | 40 | Nun | — | Illinois |
| 64 | Anne M. Gynne Sister | 23 | Nun | — | Illinois |
| 65 | Constance M. Fisher Sister | 53 | Nun | — | Illinois |
| 66 | Mary A. Coppersmith Sister | 29 | Nun | — | Missouri |
| 67 | Mary G. O'Hara Sister | 41 | Nun | — | Indiana |
| 68 | Seraphine Kyle Sister | 24 | Nun | — | Iowa |
| 69 | Vincentia Long Sister | 25 | Nun | — | Indiana |
| 70 | Mary Willis Cahill | 42 | Keeper | Booking | Illinois |
| 71 | Charles Heins | 38 | Head | Candy Maker | Illinois |
| 72 | Helen Heins | 39 | Wife | — | Illinois |
| 73 | Marie Heins | 18 | Daughter | General Clerk | Illinois |
| 74 | Charlotte Heins | 12 | Daughter | — | Illinois |
| 75 | Donald Heins | 10 | Son | — | Illinois |
| 76 | Vincent Heins | 6 | Son | — | Illinois |
| 77 | Margaret Heins | 63 | Mother | — | Illinois |
| 78 | Michael J. Carey | 65 | Head | Checker | Irish Free State |
| 79 | Mary B. Carey | 61 | Wife | — | Irish Free State |
| 80 | Florence Carey | 26 | Daughter | General Clerk | Illinois |
Pedigree Summary
Anna
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)