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Oscar Carlson — 1930 US Census Record
Model Tree available1930 United States Federal Census · Allegheny, Pennsylvania
Our Model Tree links this Oscar Carlson across the 1910, 1920 and 1930 US Censuses in Allegheny, Pennsylvania (XGBoost, ~Confirmed), with identified parents Minnie & Charles — first a son (b.~1910), then head of a 6-person household.
Age 20
b. ~1910
Male
Son
Born: Pennsylvania
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Allegheny, Pennsylvania |
| Surname | Carlson |
| Given Name | Oscar G. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Additional Details | |
| Occupation | Clerk |
| Industry | Jewelry Store |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Clerk |
| Township / Ward | Pittsburgh City |
| Est. Birth Year | ~1910 |
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 Oscar | Age | Birth yr |
|---|---|---|---|---|
| Oscar Carlson | Son | — | 20 | ~1910 |
| Paul Carlson | Son | — | 16 | ~1914 |
| Anna Carlson | Other | — | 50 | ~1880 |
| Edna Carlson | Daughter | — | 23 | ~1907 |
| Carl Carlson | Son | — | 25 | ~1905 |
| Victor Carlson | Head | — | 52 | ~1878 |
Census Appearances
1910
Allegheny, Pennsylvania
Son, age 3
Allegheny, Pennsylvania · implied b. ~1907 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carlson |
| Given Name | Oscar |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Allegheny, Pennsylvania
Son, age 11
Allegheny, Pennsylvania · implied b. ~1909 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carlson |
| Given Name | Oscar |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Son, age 20
Allegheny, Pennsylvania · implied b. ~1910 — 6 household members
| Surname | Carlson |
| Given Name | Oscar G. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Clerk |
| Industry | Jewelry Store |
| Class of Worker | W |
| Can Read/Write | Yes |
| 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 Oscar Carlson across 3 US Census years (1910, 1920 and 1930) in Allegheny, Pennsylvania, using XGBoost record linkage. Identified parents: mother Minnie Carlson (~0.92 confidence) and father Charles Carlson (~0.92 confidence) and father Victor Carlson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Minnie Carlson
b. ~1876
Source mother
● Household
· direct · ~0.92
Father
Charles Carlson
b. ~1877
Source father
● Household
· direct · ~0.92
Father
Victor Carlson
b. ~1878
Source father
● Household
· direct · ~0.92
This person
Anchor record
Oscar Carlson
Son · 1930 · age 20 · b. ~1910 · Pennsylvania
★ You are viewing this record
Sibling
Edna Carlson
Sibling · 1930 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Carl Carlson
Sibling · 1930 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Carlson
Sibling · 1930 · age 16
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 — Allegheny, Pennsylvania
Open full size
1930 US Federal Census — Allegheny, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1930:fifteenthcensus00reel1974:0794)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Theresa Fleming | 8 | Daughter | — | Pennsylvania |
| 52 | Edward Fleming | 6 | Son | — | Pennsylvania |
| 53 | Ralph Walker | 24 | Lodger | Trucker | Ohio |
| 54 | Dora Walker | 24 | Lodger | — | Ohio |
| 55 | Herman Burkey | 30 | Lodger | Trucker | Virginia |
| 56 | Mary S. Flaherty | 28 | Head | — | Pennsylvania |
| 57 | James Flaherty | 5 | Son | — | Pennsylvania |
| 58 | Michael Flaherty | 2 | Son | — | Pennsylvania |
| 59 | Louise Haines | 28 | Lodger | Tamp-Dresser | Wyoming |
| 60 | Frank E. Paul | 26 | Head | Laborer | Pennsylvania |
| 61 | Margaret E. Paul | 26 | Wife-H | — | Scotland |
| 62 | Margaret Kavanaugh | 70 | Head | — | England |
| 63 | Anna Kavanaugh | 44 | Daughter | Saleslady | Pennsylvania |
| 64 | Margaret Kavanaugh | 38 | Daughter | Saleslady | Pennsylvania |
| 65 | Edward Kavanaugh | 33 | Son | Salesman | Pennsylvania |
| 66 | Raymond Kavanaugh | 26 | Son | Laborer | Pennsylvania |
| 67 | Michael Mchale | 22 | Lodger | Machinist | Pennsylvania |
| 68 | Henry J. Kazmierski | 43 | Head | Barber | Poland |
| 69 | Helen Kazmierski | 36 | Wife-H | — | Pennsylvania |
| 70 | Thaddeus Kazmierski | 17 | Son | — | Pennsylvania |
| 71 | Bernice Kazmierski | 13 | Daughter | — | Pennsylvania |
| 72 | Victor Carlson | 52 | Head | Jeweler | Sweden |
| 73 | Anna C. Carlson | 50 | Wife-H | — | Sweden |
| 74 | Carl V. Carlson | 25 | Son | Watch Maker | Pennsylvania |
| 75 | Edna L. Carlson | 23 | Daughter | Stenographer | Pennsylvania |
| 76 | Oscar G. Carlson THIS PERSON | 20 | Son | Clerk | Pennsylvania |
| 77 | Paul J. Carlson | 16 | Son | — | Pennsylvania |
| 78 | Thomas Quin | 61 | Head | Laborer | Northern Ireland |
| 79 | Anna E. Quin | 67 | Wife-H | — | Pennsylvania |
| 80 | Edward C. Kineling | 40 | Head | Clerk | Germany |
| 81 | Edna M. Kineling | 35 | Wife-H | — | Pennsylvania |
| 82 | Valentine Drazynski | 63 | Head | Laborer | Poland |
| 83 | Rose Drazynski | 54 | Wife-H | — | Poland |
| 84 | Selma Drazynski | 27 | Daughter | Operator | Pennsylvania |
| 85 | Nellie Drazynski | 25 | Daughter | Sealer | Pennsylvania |
| 86 | Sophie Drazynski | 22 | Daughter | Sorter | Pennsylvania |
| 87 | Regina Drazynski | 20 | Daughter | Operator | Pennsylvania |
| 88 | Irene Krzanowski | 13 | Niece | — | Pennsylvania |
| 89 | Mathilda Haber | 73 | Head-H | — | Germany |
| 90 | William Haber | 43 | Son | Laborer | Pennsylvania |
| 91 | Frank Haber | 30 | Son | Laborer | Pennsylvania |
| 92 | James R. Gallagher | 53 | Head | Fireman | New York |
| 93 | Rose Gallagher | 43 | Wife-H | — | Pennsylvania |
| 94 | William Nugent | 34 | Head | Barber | Pennsylvania |
| 95 | Helga Nugent | 35 | Wife-H | Stenographer | Poland |
| 96 | Charles Lazewski | 57 | Head | Brass Polisher | Poland |
| 97 | Alma Lazewski | 50 | Wife-H | — | Poland |
| 98 | Walter Lazewski | 28 | Son | Truck Driver | Pennsylvania |
| 99 | Frances Lazewski | 25 | Daughter | Sorter | Pennsylvania |
| 100 | Charles Lazewski | 27 | Son | Skilled Laborer | Pennsylvania |
Pedigree Summary
Oscar + 3 siblings
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 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)