OC
Oscar Carlson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Providence-County, Rhode Island
Our Model Tree links this Oscar Carlson across the 1920, 1930 and 1940 US Censuses in Providence-County, Rhode Island (XGBoost, ~Confirmed), with identified parents Mary & Mary — first a head (b.~1898), then head of a 3-person household.
Age 42
b. ~1898
Male
Head
Born: Rhode Island
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Providence-County, Rhode Island |
| Surname | Carlson |
| Given Name | Oscar E |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Rhode Island |
| 1935 Residence (City) | Providence |
| 1935 Residence (County) | Providence |
| Additional Details | |
| Occupation | Tool Maker |
| Industry | Machine Shop |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1540 |
| Highest Grade | No 7 |
| 1935 Residence | Same Place |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
| Occupation | Tool Maker |
| Township / Ward | Providence |
| Est. Birth Year | ~1898 |
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 Oscar | Age | Birth yr |
|---|---|---|---|---|
| Rae Carlson | Spouse | — | 33 | ~1907 |
| Oscar Carlson | Head | — | 42 | ~1898 |
| Kenneth Carlson | Son | — | 4 | ~1936 |
Census Appearances
1920
Providence, Rhode …
Son, age 22
Providence, Rhode Island · implied b. ~1898 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carlson |
| Given Name | Oscar |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Rhode Island |
| Naturalization Status | Naturalized |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Tool maker |
| Industry | Jewelry Shop |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
1930
Providence, Rhode …
Son, age 32
Providence, Rhode Island · implied b. ~1898 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carlson |
| Given Name | Oscar E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | Rhode Island |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Tool Maker |
| Industry | Jewelry Shop |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
1940
Providence-County, Rhode …
Head, age 42
Providence-County, Rhode Island · implied b. ~1898 — 3 household members
| Surname | Carlson |
| Given Name | Oscar E |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Rhode Island |
| 1935 Residence (City) | Providence |
| 1935 Residence (County) | Providence |
| Occupation | Tool Maker |
| Industry | Machine Shop |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1540 |
| Highest Grade | No 7 |
| 1935 Residence | Same Place |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
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 (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Mary Carlson (~0.92 confidence) and mother Mary Carlson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Mary Carlson
b. ~1873
Source mother
● Household
· direct · ~0.92
Mother
Mary Carlson
b. ~1873
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Oscar Carlson
Head · 1940 · age 42 · b. ~1898 · Rhode Island
★ 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 — Providence-County, Rhode Island
Open full size
1940 US Federal Census — Providence-County, Rhode Island
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03778-00229)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Lucy C Mcgovern | 58 | Head | — | Rhode Island |
| 42 | Lucy M Mcgovern | 35 | Daughter | Secretary | Rhode Island |
| 43 | Michael J Coakley | 52 | Head | Checker | Eire |
| 44 | Margaret Coakley | 51 | Wife | — | Eire |
| 45 | Agnes Cassell | 30 | Niece | Inspector | Eire |
| 46 | Charles Daniele | 28 | Head | Clerk & Teller | Rhode Island |
| 47 | Mary M Daniele | 62 | Mother | — | Rhode Island |
| 48 | Fred Schofield | 42 | Head | Foreman | England |
| 49 | Harriett Schofield | 44 | Wife | — | England |
| 50 | Michael J Mcgovern | 58 | Head | Paint Mixer | Eire |
| 51 | Mary A Mcgovern | 43 | Wife | — | Eire |
| 52 | Thomas W Mcgovern | 16 | Son | — | Rhode Island |
| 53 | Sarah Fishman | 61 | Head | — | Rhode Island |
| 54 | Daniel Fishman | 35 | Son | Manager | Rhode Island |
| 55 | Jessie M Fishman | 25 | Daughter-law | — | New York |
| 56 | Harold Fishman | 27 | Son | Streetfitter | Rhode Island |
| 57 | Irving Fishman | 22 | Son | Electrician | Rhode Island |
| 58 | David Fishman | 7 | Grandson | — | Rhode Island |
| 59 | Kayla Fishman | 3 | Granddaughter | — | Rhode Island |
| 60 | James H Walmsley | 73 | Head | — | England |
| 61 | Bertha Walmsley | 42 | Daughter | — | Rhode Island |
| 62 | James H Walmsley | 35 | Son | Carpenter | Rhode Island |
| 63 | Oscar E Carlson THIS PERSON | 42 | Head | Tool Maker | Rhode Island |
| 64 | Rae E Carlson | 33 | Wife | — | Rhode Island |
| 65 | Kenneth E Carlson | 4 | Son | — | Rhode Island |
| 66 | Leonard Hultquist | 23 | Head | Manager | Rhode Island |
| 67 | Gertie Hultquist | 21 | Wife | — | Rhode Island |
| 68 | Frank M Morse | 42 | Head | Fireman | Rhode Island |
| 69 | Lillian Morse | 36 | Wife | — | Rhode Island |
| 70 | Michael Morse | 10 | Son | — | Rhode Island |
| 71 | Caroline Morse | 7 | Daughter | — | Rhode Island |
| 72 | William Morse | 4 | Son | — | Rhode Island |
| 73 | Francis Morse | 2 | Son | — | Rhode Island |
| 74 | Paul C Mac Kay | 37 | Head | Teacher | Rhode Island |
| 75 | Doris A Mac Kay | 34 | Wife | — | Rhode Island |
| 76 | Jane Mac Kay | 1 | Daughter | — | Rhode Island |
| 77 | Elizabeth Mac Kay | 76 | Mother | — | Rhode Island |
| 78 | Archie Webster | 46 | Head | Bookkeeper | Rhode Island |
| 79 | Alice L Webster | 39 | Wife | — | Rhode Island |
| 80 | Russell A Webster | 16 | Son | — | Rhode Island |
Pedigree Summary
Oscar
Gen 1 · 2 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)