DA
Dorothy Anderson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Dorothy Anderson across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Jacob & Mary — first a daughter (b.~1911), then head of a 8-person household.
Age 29
b. ~1911
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Anderson |
| Given Name | Dorothy J. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Etna |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Occupation | Stenographer |
| Industry | Wholesale Coal |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1200 |
| Highest Grade | H-4 |
| 1935 Residence | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Stenographer |
| Township / Ward | Blawnox |
| Est. Birth Year | ~1911 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Dorothy | Age | Birth yr |
|---|---|---|---|---|
| Dorothy Anderson | Daughter | — | 29 | ~1911 |
| Virginia Anderson | Daughter | — | 31 | ~1909 |
| Ruth Anderson | Daughter | — | 21 | ~1919 |
| Elizabeth Anderson | Daughter | — | 26 | ~1914 |
| Mary Anderson | Head | — | 56 | ~1884 |
| Margie Anderson | Other | — | 6 | ~1934 |
| Carl Anderson | Son | — | 19 | ~1921 |
| Floyd Anderson | Son | — | 14 | ~1926 |
Census Appearances
1920
Allegheny, Pennsylvania
Daughter, age 7
Allegheny, Pennsylvania · implied b. ~1913 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Daughter, age 18
Allegheny, Pennsylvania · implied b. ~1912 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Stenographer |
| Industry | Office |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Daughter, age 29
Allegheny-County, Pennsylvania · implied b. ~1911 — 8 household members
| Surname | Anderson |
| Given Name | Dorothy J. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Etna |
| 1935 Residence (County) | Allegheny |
| Occupation | Stenographer |
| Industry | Wholesale Coal |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1200 |
| Highest Grade | H-4 |
| 1935 Residence | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 Anderson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Jacob Anderson (~0.92 confidence) and mother Mary Anderson (~0.92 confidence) and mother Hilda Anderson (~0.92 confidence) and father Charles Anderson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Jacob Anderson
b. ~1883
Source father
● Household
· direct · ~0.92
Mother
Mary Anderson
b. ~1884
Source mother
● Household
· direct · ~0.92
Mother
Hilda Anderson
b. ~1886
Source mother
● Household
· direct · ~0.92
Father
Charles Anderson
b. ~1887
Source father
● Household
· direct · ~0.92
This person
Anchor record
Dorothy Anderson
Daughter · 1940 · age 29 · b. ~1911 · Pennsylvania
★ You are viewing this record
Sibling
Floyd Anderson
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Anderson
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Virginia Anderson
Sibling · 1940 · age 31
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Carl Anderson
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Anderson
Sibling · 1940 · age 26
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
1940 US Federal Census — Allegheny-County, Pennsylvania
Open full size
1940 US Federal Census — Allegheny-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03398-00051)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Lois R. Houggy | 13 | Daughter | — | Pennsylvania |
| 42 | Betty J. Houggy | 10 | Daughter | — | Pennsylvania |
| 43 | Joseph Belotti | 50 | Head | Laborer | Italy |
| 44 | Alice Belotti | 45 | Wife | — | Italy |
| 45 | Joseph Belotti | 23 | Son | Laborer | Pennsylvania |
| 46 | Arthur Belotti | 20 | Son | New Worker | Pennsylvania |
| 47 | Mary Anderson | 56 | Head | House Keeper | Illinois |
| 48 | Virginia R. Anderson | 31 | Daughter | Book Keeper | Pennsylvania |
| 49 | Dorothy J. Anderson THIS PERSON | 29 | Daughter | Stenographer | Pennsylvania |
| 50 | Elizabeth A. Anderson | 26 | Daughter | Probation Officer | Pennsylvania |
| 51 | Ruth J. Anderson | 21 | Daughter | New Worker | Pennsylvania |
| 52 | Carl V. Anderson | 19 | Son | Operator | Pennsylvania |
| 53 | Floyd R. Anderson | 14 | Son | — | Pennsylvania |
| 54 | Margie P. Anderson | 6 | Grand Daughter | — | Pennsylvania |
| 55 | Joseph F. Jr. Maciejowski | 56 | Head | Blacksmith | Poland |
| 56 | Anna Maciejowski | 54 | Wife | House-Keeper | Poland |
| 57 | Stanley Maciejowski | 33 | Son | Blacksmith | Pennsylvania |
| 58 | Joseph Jr. Maciejowski | 31 | Son | Laborer | Pennsylvania |
| 59 | Leon S. Maciejowski | 26 | Son | File-Clerk | Pennsylvania |
| 60 | Virginia A. Maciejowski | 21 | Daughter | File-Clerk | Pennsylvania |
| 61 | John Maciejowski | 18 | Son | New Worker | Pennsylvania |
| 62 | Francis Maciejowski | 15 | Son | — | Pennsylvania |
| 63 | Justice M. Holman | 43 | Head | Electrician | Pennsylvania |
| 64 | Jennie E. Holman | 45 | Wife | Saleslady | New York |
| 65 | Katherine R. Holman | 20 | Daughter | Saleslady | Pennsylvania |
| 66 | Grace E. Holman | 19 | Daughter | Maid | Pennsylvania |
| 67 | Dorothy Holman | 17 | Daughter | — | Pennsylvania |
| 68 | Allen C. Holman | 15 | Son | — | Pennsylvania |
| 69 | Lois M. Holman | 13 | Daughter | — | Pennsylvania |
| 70 | Earl Spees | 31 | Lodger | Manager | Pennsylvania |
| 71 | Ray F. S. Giffen | 54 | Head | Custodian | Pennsylvania |
| 72 | Lina I. Giffen | 54 | Wife | — | Ohio |
| 73 | Betty E. Giffen | 20 | Daughter | Stenographer | Pennsylvania |
| 74 | William M. Giffen | 28 | Son | Laborer | Pennsylvania |
| 75 | Sarah H. Giffen | 22 | In-law | — | Indiana |
| 76 | Frank A. Sr. Wightman | 61 | Head | Laborer | Pennsylvania |
| 77 | Frank A. Jr. Wightman | 28 | Son | Electric Welder | Pennsylvania |
| 78 | Edna F. Wightman | 26 | In-law | — | Kansas |
| 79 | Frank A. 3Rd Wightman | 5 | Grand Son | — | Pennsylvania |
| 80 | Donald R. Wightman | 3 | Grand Son | — | Pennsylvania |
Related Census Records
Pedigree Summary
Dorothy + 5 siblings
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)