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Mary Larsen — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Kings, New York
Our Model Tree links this Mary Larsen across the 1920, 1930 and 1940 US Censuses in Kings, New York (XGBoost, ~Confirmed) — first a spouse (b.~1888), then head of a 4-person household.
Age 42
b. ~1888
Female
Spouse
Born: Norway
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Kings, New York |
| Surname | Larsen |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Norway |
| Naturalization Status | Naturalized |
| Year of Immigration | 1900 |
| Age at First Marriage | 29 |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Additional Details | |
| Can Read/Write | Yes |
| Mother Tongue | Norwegian |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
| Township / Ward | Brooklyn Borough |
| Est. Birth Year | ~1888 |
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 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Joseph Larsen | Son | — | 3 | ~1927 |
| Harry Larsen | Son | — | 5 | ~1925 |
| Mary Larsen | Spouse | — | 42 | ~1888 |
| Joseph Larsen | Head | — | 46 | ~1884 |
Census Appearances
1920
Kings, New …
Spouse, age 32
Kings, New York · implied b. ~1888 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Larsen |
| Given Name | Marie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Norway |
| Year of Immigration | 1912 |
| Naturalization Status | Alien |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Norwegian |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
1930
Kings, New …
Spouse, age 42
Kings, New York · implied b. ~1888 — 4 household members
| Surname | Larsen |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Norway |
| Naturalization Status | Naturalized |
| Year of Immigration | 1900 |
| Age at First Marriage | 29 |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Can Read/Write | Yes |
| Mother Tongue | Norwegian |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
1940
Kings-County, New …
Spouse, age 51
Kings-County, New York · implied b. ~1889 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Larsen |
| Given Name | Marea |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Norway |
| 1935 Residence (City) | New York City |
| 1935 Residence (County) | KINGS |
| Naturalization Status | Naturalized |
| Class of Worker | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
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 Larsen across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Larsen
Spouse · 1930 · age 42 · b. ~1888 · New York
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Kings, New York
Open full size
1930 US Federal Census — Kings, New York
Page Contents
50 people indexed on this census page (ia:1930:newyorkcensus00reel1510:0888)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Gust Gustafson | 44 | Head | Machinist | Norway |
| 2 | Anna Gustafson | 40 | Wife | — | Norway |
| 3 | Marie Gustafson | 17 | Daughter | Stenographer | New York |
| 4 | Lillian Gustafson | 15 | Daughter | — | New York |
| 5 | Edith Gustafson | 12 | Daughter | — | New York |
| 6 | Frank Esposito | 63 | Head | Proprietor | Italy |
| 7 | Amelia Esposito | 55 | Wife | — | Italy |
| 8 | Charles Esposito | 23 | Son | Clerk | New York |
| 9 | Amelia Esposito | 21 | Daughter | Clerk | New York |
| 10 | John Laisauskas | 42 | Head | Carpenter | Norway |
| 11 | Anna Laisauskas | 36 | Wife | — | Norway |
| 12 | John Laisauskas | 11 | Son | — | New York |
| 13 | Anna Laisauskas | 9 | Daughter | — | New York |
| 14 | Charles Weber | 35 | Head | Salesman | New York |
| 15 | Edith Weber | 37 | Wife | — | New York |
| 16 | Charles Weber | 14 | Son | — | New York |
| 17 | Joseph Larsen | 46 | Head | Engineer | Norway |
| 18 | Mary Larsen THIS PERSON | 42 | Wife | — | Norway |
| 19 | Harry Larsen | 5 | Son | — | New York |
| 20 | Joseph Larsen | 3 | Son | — | New York |
| 21 | Guido Penetini | 41 | Head | — | Italy |
| 22 | Grace Penetini | 42 | Wife | Tailor | Italy |
| 23 | John Penetini | 13 | Son | Painter | New York |
| 24 | Peter Andreasen | 54 | Head | Carpenter | Denmark |
| 25 | Anna Andreasen | 51 | Wife | — | Denmark |
| 26 | Max Andreasen | 22 | Son | — | New York |
| 27 | Lars Larsen | 33 | Head | Draftsman | Norway |
| 28 | Marie Larsen | 33 | Wife | — | Norway |
| 29 | Lars Larsen | 2 | Son | — | New York |
| 30 | John Larsen | 0 | Son | — | New York |
| 31 | Samuel Martin | 36 | Head | Carpenter | Newfoundland |
| 32 | Anna Martin | 27 | Wife | — | Newfoundland |
| 33 | Mary Martin | 4 | Daughter | — | Newfoundland |
| 34 | Elizabeth Martin | 2 | Daughter | — | New York |
| 35 | Stephen Martin | 0 | Son | — | New York |
| 36 | James Lynch | 41 | Head | Contractor | New York |
| 37 | Mary Lynch | 40 | Wife | — | New York |
| 38 | John Lynch | 13 | Son | — | New York |
| 39 | Edward Lynch | 10 | Son | — | New York |
| 40 | Hans Sturgeson | 42 | Head | Painter | Denmark |
| 41 | Anna Sturgeson | 37 | Wife | — | Denmark |
| 42 | Jacob Smith | 27 | Head | Chauffeur | Newfoundland |
| 43 | Anna Smith | 25 | Wife | — | Newfoundland |
| 44 | Howard Smith | 0 | Son | — | New York |
| 45 | Martin Larsen | 30 | Head | Carpenter | Norway |
| 46 | Anna Larsen | 27 | Wife | — | Norway |
| 47 | Amy Larsen | 3 | Daughter | — | Norway |
| 48 | Sigurd Knudsen | 30 | Roomer | Carpenter | Norway |
| 49 | Alfred Lerenstad | 30 | Head | Fireman | New York |
| 50 | Marie Lerenstad | 27 | Wife | — | Norway |
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)