RC
Ruth Carlson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Ruth Carlson across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Charles & Charley — first a spouse (b.~1918), then head of a 3-person household.
Age 22
b. ~1918
Female
Spouse
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Carlson |
| Given Name | Ruth |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | PITTSBURGH |
| 1935 Residence (County) | ALLEGHENY |
| Additional Details | |
| Class of Worker | 7 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Pittsburgh |
| Est. Birth Year | ~1918 |
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 Ruth | Age | Birth yr |
|---|---|---|---|---|
| James Carlson | Son | — | 1 | ~1939 |
| Edgar Carlson | Head | — | 27 | ~1913 |
| Ruth Carlson | Spouse | — | 22 | ~1918 |
Census Appearances
1920
Allegheny, Pennsylvania
Daughter, age
Allegheny, Pennsylvania · implied b. ~1920 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carlson |
| Given Name | Ruth |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Daughter, age 12
Allegheny, Pennsylvania · implied b. ~1918 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carlson |
| Given Name | Ruth |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Spouse, age 22
Allegheny-County, Pennsylvania · implied b. ~1918 — 3 household members
| Surname | Carlson |
| Given Name | Ruth |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | PITTSBURGH |
| 1935 Residence (County) | ALLEGHENY |
| Class of Worker | 7 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| 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 Ruth Carlson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Charles Carlson (~0.92 confidence) and father Charley Carlson (~0.92 confidence) and mother Mollie Carlson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Charles Carlson
b. ~1886
Source father
● Household
· direct · ~0.92
Father
Charley Carlson
b. ~1886
Source father
● Household
· direct · ~0.92
Mother
Mollie Carlson
b. ~1893
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ruth Carlson
Spouse · 1940 · age 22 · b. ~1918 · Pennsylvania
★ 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 — 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-t0627-03677-00141)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Pauline Prosser | 23 | Wife | Housewife | Pennsylvania |
| 42 | Caroline Prosser | 2 | Daughter | — | Pennsylvania |
| 43 | Patrick Healy | 70 | Head | — | Ireland |
| 44 | Charles Blandy | 30 | Head | Painter & Labor | Pennsylvania |
| 45 | Kathleen Blandy | 20 | Wife | — | Pennsylvania |
| 46 | Emiline Mcclure | 53 | Head | — | Pennsylvania |
| 47 | John Mcclure | 15 | Son | — | Pennsylvania |
| 48 | Grace Mcclure | 14 | Daughter | — | Pennsylvania |
| 49 | Catherine Lesczynski | 33 | Head | Waitress | Poland |
| 50 | Margorick Sanford | 24 | Lodger | Nursing | New Jersey |
| 51 | Veronica Cress | 17 | Wife | — | Pennsylvania |
| 52 | Charles M. Kraus | 29 | Head | Salesman | Pennsylvania |
| 53 | Mary E. Kraus | 24 | Wife | Beautician | Pennsylvania |
| 54 | Stephen Regan | 48 | Head | Salesman | Pennsylvania |
| 55 | Robert Regan | 13 | Son | — | Pennsylvania |
| 56 | Archie Chark | 31 | Son in Law | Salesman | Pennsylvania |
| 57 | Margaret Chark | 26 | Daughter | Saleslady | Pennsylvania |
| 58 | Lon Mackintosh | 58 | Head | Clerk | Pennsylvania |
| 59 | Lillian Mackintosh | 40 | Wife | — | Colorado |
| 60 | Effie Jean Mackintosh | 5 | Daughter | — | Pennsylvania |
| 61 | Anthony Steehe | 39 | Head | Labor | Pennsylvania |
| 62 | Anna C. Steehe | 37 | Wife | — | Pennsylvania |
| 63 | Anoinet Steehe | 9 | Daughter | — | Pennsylvania |
| 64 | Elizabeth Steehe | 6 | Daughter | — | Pennsylvania |
| 65 | Joseph Kaufmann | 26 | Lodger | Skilled Labor | Pennsylvania |
| 66 | Harry Richard | 63 | Head | — | Pennsylvania |
| 67 | Sara Richard | 62 | Wife | — | Pennsylvania |
| 68 | Frederick Haefner | 69 | Head | Baker | Germany |
| 69 | Elizabeth Haefner | 73 | Wife | — | Germany |
| 70 | Lena A. Perry | 67 | Head | Assist Cook | Pennsylvania |
| 71 | Herbert Keebler | 47 | Head | Machinist | Pennsylvania |
| 72 | Helen Keebler | 47 | Wife | — | Pennsylvania |
| 73 | Herbert Jr. Keebler | 20 | Son | Sign Painter | Pennsylvania |
| 74 | James Chark | 32 | Head | Grease Maker Labor | Scotland |
| 75 | Irene Chark | 26 | Wife | — | Pennsylvania |
| 76 | Joanne Chark | 9 | Daughter | — | Pennsylvania |
| 77 | Clara Zinser | 57 | Head | — | Pennsylvania |
| 78 | Edgar Carlson | 27 | Head | Welder | Pennsylvania |
| 79 | Ruth Carlson THIS PERSON | 22 | Wife | — | Pennsylvania |
| 80 | James E. Carlson | 1 | Son | — | Pennsylvania |
Pedigree Summary
Ruth
Gen 1 · 3 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)