AP
Alfred Peterson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Kings-County, New York
Our Model Tree links this Alfred Peterson across the 1920, 1930 and 1940 US Censuses in Kings-County, New York (XGBoost, ~Confirmed) — first a head (b.~1886), then head of a 3-person household.
Age 54
b. ~1886
Male
Head
Born: Denmark
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Kings-County, New York |
| Surname | Peterson |
| Given Name | Alfred |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Denmark |
| 1935 Residence (City) | New York City Brooklyn |
| 1935 Residence (County) | Kings |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Officer |
| Industry | S. Ship Co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 2200 |
| Highest Grade | 8 |
| 1935 Residence | Same Place |
| Birth Country | Denmark |
| Birthplace (normalized) | denmark |
| Occupation | Officer |
| Township / Ward | New York City Brooklyn |
| Est. Birth Year | ~1886 |
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 Alfred | Age | Birth yr |
|---|---|---|---|---|
| Alfred Peterson | Head | — | 54 | ~1886 |
| Albert Peterson | Son | — | 23 | ~1917 |
| Dagny Peterson | Spouse | — | 51 | ~1889 |
Census Appearances
1920
Kings, New …
Head, age 35
Kings, New York · implied b. ~1885 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Pettersen |
| Given Name | Alfred |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Denmark |
| Year of Immigration | 1899 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Occupation | Carpenter |
| Industry | Boat |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Danish |
| Home Owned/Rented | R |
| Birth Country | Denmark |
| Year of Naturalization | 1914 |
| Birthplace (normalized) | denmark |
1930
Kings, New …
Head, age 45
Kings, New York · implied b. ~1885 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Petersen |
| Given Name | Alfred |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Denmark |
| Naturalization Status | Naturalized |
| Year of Immigration | 1906 |
| Age at First Marriage | 24 |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Occupation | Marine Engineer |
| Industry | Tugboat |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | Danish |
| Home Owned/Rented | VN |
| Home Value / Rent | VN |
| Birth Country | Denmark |
| Birthplace (normalized) | denmark |
1940
Kings-County, New …
Head, age 54
Kings-County, New York · implied b. ~1886 — 3 household members
| Surname | Peterson |
| Given Name | Alfred |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Denmark |
| 1935 Residence (City) | New York City Brooklyn |
| 1935 Residence (County) | Kings |
| Naturalization Status | Naturalized |
| Occupation | Officer |
| Industry | S. Ship Co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 2200 |
| Highest Grade | 8 |
| 1935 Residence | Same Place |
| Birth Country | Denmark |
| Birthplace (normalized) | denmark |
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 Alfred Peterson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Alfred Peterson
Head · 1940 · age 54 · b. ~1886 · New York
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Kings-County, New York
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1940 US Federal Census — Kings-County, New York
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02614-00713)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Lilly Siegel | 19 | Daughter | Operator | NY |
| 42 | Irving Sirkin | 41 | Head | Painter | NY |
| 43 | Rose Sirkin | 36 | Wife | — | NY |
| 44 | Florence Sirkin | 14 | Daughter | — | NY |
| 45 | Elaine Sirkin | 11 | Daughter | — | NY |
| 46 | Dolores Sirkin | 8 | Daughter | — | NY |
| 47 | Samuel Sirkin | 3 | Son | — | NY |
| 48 | Herman Abrams | 30 | Head | Salesman | NY |
| 49 | Florence Abrams | 30 | Wife | — | NY |
| 50 | Iris Abrams | 6 | Daughter | — | NY |
| 51 | Jack Klein | 28 | Lodger | Asst Buyer | NY |
| 52 | Alfred Peterson THIS PERSON | 54 | Head | Officer | Denmark |
| 53 | Dagny Peterson | 51 | Wife | — | Denmark |
| 54 | Albert Peterson | 23 | Son | Tile Clerk | NY |
| 55 | Daniel Ginsburg | 31 | Head | Atty | NY |
| 56 | Jean Ginsburg | 28 | Wife | — | NY |
| 57 | Ira Ginsburg | 9 | Son | — | NY |
| 58 | Judith A. Ginsburg | 5 | Daughter | — | NY |
| 59 | Shirley Rankowitz | 14 | Lodger | — | NY |
| 60 | Herbert Rankowitz | 10 | Lodger | — | NY |
| 61 | Jacob Tekulsky | 46 | Head | Owner | Poland |
| 62 | Rose Tekulsky | 44 | Wife | Helper | Poland |
| 63 | Samuel Tekulsky | 25 | Son | Helper | Poland |
| 64 | Murray Tekulsky | 15 | Son | — | NY |
| 65 | Murray Saunders | 38 | Head | Mgr. | England |
| 66 | Betty Saunders | 37 | Wife | — | Russia |
| 67 | Stanley Saunders | 17 | Son | — | Va. |
| 68 | Wilma Saunders | 12 | Daughter | — | NY |
| 69 | Alan Saunders | 1 | Son | — | NY |
| 70 | Irving Mayer | 43 | Head | Mechanic | Russia |
| 71 | Leah Mayer | 41 | Wife | Worker | NY |
| 72 | Paul Mayer | 21 | Son | App. Mechanic | NY |
| 73 | Stanley Mayer | 17 | Son | — | NY |
| 74 | Mollie Margon | 55 | Lodger | — | Russia |
| 75 | Julius Sobell | 41 | Head | Doctor | Germany |
| 76 | Grete Sobell | 40 | Wife | — | Germany |
| 77 | Gunter Sobell | 13 | Son | — | Germany |
| 78 | Ellen Sobell | 10 | Daughter | — | Germany |
| 79 | Edith Bein | 34 | Sister-in-law | Sewer | Germany |
| 80 | Rose Froehlich | 37 | Cousin | Home Work | Germany |
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)