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Carl Carlson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Bronx-County, New York
Our Model Tree links this Carl Carlson across the 1920, 1930 and 1940 US Censuses in Bronx-County, New York (XGBoost, ~Confirmed), with identified parents Casper & Rempi — first a son (b.~1917), then head of a 4-person household.
Age 23
b. ~1917
Male
Son
Born: New York
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Bronx-County, New York |
| Surname | Carlson |
| Given Name | Carl |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | New York City |
| 1935 Residence (County) | Bronx |
| Additional Details | |
| Occupation | machinist helper |
| Industry | machine shop |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 446 |
| Highest Grade | Hs 4 |
| 1935 Residence | New York |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Machinist Helper |
| Township / Ward | New York City |
| Est. Birth Year | ~1917 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Carl | Age | Birth yr |
|---|---|---|---|---|
| Rempi Carlson | Head | — | 52 | ~1888 |
| Theodore Carlson | Son | — | 15 | ~1925 |
| Carl Carlson | Son | — | 23 | ~1917 |
| Leonard Carlson | Son | — | 20 | ~1920 |
Census Appearances
1920
Bronx, New …
Son, age 1
Bronx, New York · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carlson |
| Given Name | Charles |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
Son, age 12
Bronx, New York · implied b. ~1918 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carlson |
| Given Name | Charles |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | Sweden |
| Mother's Birthplace | New York |
| Can Read/Write | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Bronx-County, New …
Son, age 23
Bronx-County, New York · implied b. ~1917 — 4 household members
| Surname | Carlson |
| Given Name | Carl |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | New York City |
| 1935 Residence (County) | Bronx |
| Occupation | machinist helper |
| Industry | machine shop |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 446 |
| Highest Grade | Hs 4 |
| 1935 Residence | New York |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
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 Carl Carlson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Casper Carlson (~0.92 confidence) and mother Rempi Carlson (~0.92 confidence) and father Fredrick Carlson (~0.92 confidence) and mother Florence Carlson (~0.92 confidence) and mother Lillian Carlson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Casper Carlson
b. ~1875
Source father
● Household
· direct · ~0.92
Mother
Rempi Carlson
b. ~1888
Source mother
● Household
· direct · ~0.92
Father
Fredrick Carlson
b. ~1890
Source father
● Household
· direct · ~0.92
Mother
Florence Carlson
b. ~1892
Source mother
● Household
· direct · ~0.92
Mother
Lillian Carlson
b. ~1897
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Carl Carlson
Son · 1940 · age 23 · b. ~1917 · New York
★ You are viewing this record
Sibling
Leonard Carlson
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Theodore Carlson
Sibling · 1940 · age 15
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 — Bronx-County, New York
Open full size
1940 US Federal Census — Bronx-County, New York
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02464-00929)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Anna Peres | 15 | daughter | 0 | New York |
| 42 | Dora Peres | 13 | daughter | 0 | New York |
| 43 | Louis Reb | 52 | Head | Laundry | Hungary |
| 44 | Pearl Reb | 46 | wife | 0 | Rumania |
| 45 | Sam Reb | 21 | son | Laundry | Rumania |
| 46 | Herbert Reb | 14 | son | 0 | New York |
| 47 | Esther Langre | 69 | Lodger | 0 | Poland |
| 48 | Edward Ritter | 37 | Head | Operator | Poland |
| 49 | Dora Ritter | 38 | wife | 0 | Poland |
| 50 | Emanuel Ritter | 12 | son | 0 | New York |
| 51 | Norman Ritter | 8 | son | 0 | New York |
| 52 | Mildred Herschman | 30 | sister in law | 0 | Poland |
| 53 | Isidor Goldstein | 71 | Head | 0 | Russia |
| 54 | Yetta Goldstein | 58 | wife | 0 | Russia |
| 55 | Pauline Goldstein | 40 | daughter | Sewing | Russia |
| 56 | Harry Riegel | 63 | Head | 0 | Lithuania |
| 57 | Molly Riegel | 34 | daughter | Operater | Lithuania |
| 58 | Bernard Riegel | 29 | son | Helper On Truck | New York |
| 59 | Philip Riegel | 26 | son | Clerk | New York |
| 60 | Pauline Riegel | 24 | daughter | Clerk | New York |
| 61 | Samuel Riegel | 19 | son | Delivery Boy | New York |
| 62 | Rempi Carlson | 52 | Head | 0 | Finland |
| 63 | Carl Carlson THIS PERSON | 23 | son | Machinist Helper | New York |
| 64 | Leonard Carlson | 20 | son | Lithographer | Connecticut |
| 65 | Theodore Carlson | 15 | son | 0 | New York |
| 66 | Vincent Natoli | 47 | Head | Plasterer | Italy |
| 67 | Nancy Natoli | 43 | wife | 0 | Italy |
| 68 | Lucy Natoli | 19 | daughter | New Worker | New York |
| 69 | Francis Natoli | 18 | daughter | New Worker | New York |
| 70 | Adele Natoli | 13 | daughter | 0 | New York |
| 71 | Emanuel Natoli | 11 | son | 0 | New York |
| 72 | Delphia Natoli | 8 | daughter | 0 | New York |
| 73 | Biaggio Piaggio | 54 | Head | Letha | Italy |
| 74 | Tilda Piaggio | 45 | wife | 0 | Italy |
| 75 | Rose Piaggio | 24 | daughter | 0 | New York |
| 76 | Vito Piaggio | 21 | son | Laborer | New York |
| 77 | Charles Piaggio | 18 | son | 0 | New York |
| 78 | Anthony Piaggio | 16 | son | 0 | New York |
| 79 | Nathan Greenberg | 54 | Head | Operator | Poland |
| 80 | Stella Greenberg | 44 | wife | 0 | Poland |
Related Census Records
Pedigree Summary
Carl + 2 siblings
Gen 1 · 5 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)