MC
Mary Carlson — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Bronx, New York
Our Model Tree links this Mary Carlson across the 1920, 1930 and 1940 US Censuses in Bronx, New York (XGBoost, ~Confirmed) — first a spouse (b.~1884), then head of a 4-person household.
Age 36
b. ~1884
Female
Spouse
Born: Finland
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Bronx, New York |
| Surname | Carlson |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Finland |
| Year of Immigration | 1903 |
| Naturalization Status | Alien |
| Father's Birthplace | Finland |
| Mother's Birthplace | Finland |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Birth Country | Finland |
| Birthplace (normalized) | finland |
| Township / Ward | New York City |
| Est. Birth Year | ~1884 |
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 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Anna Carlson | Daughter | — | 2 | ~1918 |
| Oscar Carlson | Head | — | 30 | ~1890 |
| Carl Carlson | Son | — | 5 | ~1915 |
| Mary Carlson | Spouse | — | 36 | ~1884 |
Census Appearances
1920
Bronx, New …
Spouse, age 36
Bronx, New York · implied b. ~1884 — 4 household members
| Surname | Carlson |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Finland |
| Year of Immigration | 1903 |
| Naturalization Status | Alien |
| Father's Birthplace | Finland |
| Mother's Birthplace | Finland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Birth Country | Finland |
| Birthplace (normalized) | finland |
1930
Kings, New …
Spouse, age 48
Kings, New York · implied b. ~1882 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carlson |
| Given Name | Maria |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Finland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1902 |
| Age at First Marriage | 22 |
| Father's Birthplace | Finland |
| Mother's Birthplace | Finland |
| Can Read/Write | Yes |
| Mother Tongue | Swedish |
| Birth Country | Finland |
| Birthplace (normalized) | finland |
1940
Bronx-County, New …
Spouse, age 59
Bronx-County, New York · implied b. ~1881 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carlson |
| Given Name | Maria |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 59 |
| Marital Status | Married |
| Birthplace | Finland |
| 1935 Residence (City) | N.Y. City |
| 1935 Residence (County) | BX |
| Naturalization Status | Naturalized |
| Class of Worker | 0 |
| Highest Grade | No 0 |
| 1935 Residence | Same place |
| Birth Country | Finland |
| Birthplace (normalized) | finland |
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 Mary Carlson across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Carlson
Spouse · 1920 · age 36 · b. ~1884 · New York
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — Bronx, New York
Open full size
1920 US Federal Census — Bronx, New York
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1129unit:0986)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Oscar Carlson | 30 | Head | Carpenter | Finland |
| 52 | Mary Carlson THIS PERSON | 36 | Wife | — | Finland |
| 53 | Carl Carlson | 5 | Son | — | Connecticut |
| 54 | Anna Carlson | 2 | Daughter | — | New York |
| 55 | Samuel Zorlowsky | 41 | Head | Tailor | Russia |
| 56 | Ida Zorlowsky | 37 | Wife | — | Russia |
| 57 | Gertie Zorlowsky | 15 | Daughter | — | New York |
| 58 | Bertha Zorlowsky | 13 | Daughter | — | New York |
| 59 | Ruth Zorlowsky | 10 | Daughter | — | New York |
| 60 | Martha Zorlowsky | 4 | Daughter | — | New York |
| 61 | Son Zorlowsky | 0 | Son | — | New York |
| 62 | Charles Finn | 43 | Head | Butcher | Russia |
| 63 | Sophie Finn | 40 | Wife | — | Russia |
| 64 | Anna Finn | 14 | Daughter | — | New York |
| 65 | Samuel Finn | 11 | Son | — | New York |
| 66 | Irene Finn | 3 | Daughter | — | New York |
| 67 | Arthur Kohn | 23 | Boarder | Clerk | New York |
| 68 | Nathan Kohn | 36 | Head | Clerk | Russia |
| 69 | Rose Kohn | 37 | Wife | — | Russia |
| 70 | Frances Kohn | 17 | Daughter | — | New York |
| 71 | Bertha Kohn | 13 | Daughter | — | New York |
| 72 | Milton Kohn | 11 | Son | — | New York |
| 73 | Son Kohn | 7 | Son | — | New York |
| 74 | Daughter Kohn | 5 | Daughter | — | New York |
| 75 | Morris Cohen | 50 | Head | Presser | Russia |
| 76 | Rose Cohen | 46 | Wife | — | Russia |
| 77 | Bessie Cohen | 24 | Daughter | Operator | Russia |
| 78 | Nathan Cohen | 21 | Son | Clerk | Russia |
| 79 | Sarah Cohen | 18 | Daughter | Clerk | Russia |
| 80 | Joseph Cohen | 12 | Son | — | New York |
| 81 | Esther Cohen | 10 | Daughter | — | New York |
| 82 | Lillian Cohen | 7 | Daughter | — | New York |
| 83 | Arthur Cohen | 4 | Son | — | New York |
| 84 | James Mello | 32 | Head | — | New York |
| 85 | Sarah Mello | 28 | Wife | — | Russia |
| 86 | Joseph Rosenberg | 45 | Head | Manager | Russia |
| 87 | Charles Tandowsky | 46 | Head | Tailor | Russia |
| 88 | Annie Tandowsky | 36 | Wife | — | Russia |
| 89 | Harry Tandowsky | 12 | Son | — | New York |
| 90 | Morris Tandowsky | 27 | Son | Operator | Russia |
| 91 | Isidore Daffner | 25 | Head | Tailor | Russia |
| 92 | Sarah Daffner | 28 | Wife | — | Russia |
| 93 | Daughter Daffner | 12 | Daughter | — | New York |
| 94 | Son Daffner | 10 | Son | — | New York |
| 95 | Rebecca Nelson | 65 | Head | — | Russia |
| 96 | Morris Nelson | 30 | Son | Clerk | Russia |
| 97 | Joseph Nelson | 24 | Son | Clerk | Russia |
| 98 | Sophie Nelson | 28 | Daughter | Saleswoman | Russia |
| 99 | Abraham Nelson | 25 | Son | Electrician | Russia |
| 100 | James Lazarus | 35 | Head | — | Ireland |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)