MP
Mary Peterson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Luzerne-County, Pennsylvania
Our Model Tree links this Mary Peterson across the 1920, 1930 and 1940 US Censuses in Luzerne-County, Pennsylvania (XGBoost, ~Confirmed) — first a spouse (b.~1887), then head of a 7-person household.
Age 53
b. ~1887
Female
Spouse
Born: Lithuania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Luzerne-County, Pennsylvania |
| Surname | Peterson |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Lithuania |
| 1935 Residence (City) | Larksville Boro |
| 1935 Residence (County) | LUZERNE |
| Naturalization Status | Naturalized |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 2 |
| 1935 Residence | Same House |
| Birth Country | Lithuania |
| Birthplace (normalized) | lithuania |
| Township / Ward | Larksville Boro |
| Est. Birth Year | ~1887 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Peterson | Daughter | — | 19 | ~1921 |
| Eleanor Peterson | Daughter | — | 11 | ~1929 |
| Katherine Kairo | Daughter | — | 30 | ~1910 |
| Anthony Peterson | Head | — | 65 | ~1875 |
| Leo Kairo | Other | — | 32 | ~1908 |
| Vincent Peterson | Son | — | 15 | ~1925 |
| Mary Peterson | Spouse | — | 53 | ~1887 |
Census Appearances
1920
Luzerne, Pennsylvania
Spouse, age 31
Luzerne, Pennsylvania · implied b. ~1889 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Lithuania |
| Year of Immigration | 1905 |
| Naturalization Status | First papers filed |
| Father's Birthplace | Lithuania |
| Mother's Birthplace | Lithuania |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Lithuanian |
| Birth Country | Lithuania |
| Year of Naturalization | 1916 |
| Birthplace (normalized) | lithuania |
1930
Luzerne, Pennsylvania
Spouse, age 45
Luzerne, Pennsylvania · implied b. ~1885 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Lithuania |
| Naturalization Status | Naturalized |
| Year of Immigration | 1905 |
| Age at First Marriage | 19 |
| Father's Birthplace | Lithuania |
| Mother's Birthplace | Lithuania |
| Can Read/Write | Yes |
| Mother Tongue | Lithuanian |
| Birth Country | Lithuania |
| Birthplace (normalized) | lithuania |
1940
Luzerne-County, Pennsylvania
Spouse, age 53
Luzerne-County, Pennsylvania · implied b. ~1887 — 7 household members
| Surname | Peterson |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Lithuania |
| 1935 Residence (City) | Larksville Boro |
| 1935 Residence (County) | LUZERNE |
| Naturalization Status | Naturalized |
| Income (1939) | 0 |
| Highest Grade | No 2 |
| 1935 Residence | Same House |
| Birth Country | Lithuania |
| Birthplace (normalized) | lithuania |
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 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
Mary Peterson
Spouse · 1940 · age 53 · b. ~1887 · Pennsylvania
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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 — Luzerne-County, Pennsylvania
Open full size
1940 US Federal Census — Luzerne-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03555-00523)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Evland Hudak | 15 | Niece | — | Pennsylvania |
| 42 | Thelma Hudak | 13 | Niece | — | Pennsylvania |
| 43 | Michael Niezgoda | 43 | Head | Dealer | Pennsylvania |
| 44 | Wanda Niezgoda | 41 | Wife | Salesman Tax Clerk | Pennsylvania |
| 45 | Helen Niezgoda | 18 | Daughter | — | Pennsylvania |
| 46 | Michael Jr Niezgoda | 15 | Son | — | Pennsylvania |
| 47 | Clara Niezgoda | 15 | Daughter | — | Pennsylvania |
| 48 | Leonard Niezgoda | 12 | Son | — | Pennsylvania |
| 49 | Michael Hutnick | 28 | Lodger | Bottle Washer | Pennsylvania |
| 50 | Catherine Hutnick | 46 | Head | — | Austria |
| 51 | John Bruski | 26 | Son | Truck Driver | Pennsylvania |
| 52 | George Hutnick | 20 | Son | New Worker | Pennsylvania |
| 53 | Helen Hutnick | 16 | Daughter | — | Pennsylvania |
| 54 | Margaret Hutnick | 13 | Daughter | — | Pennsylvania |
| 55 | John Jr Hutnick | 8 | Son | — | Pennsylvania |
| 56 | Theresa Hutnick | 62 | Head | — | Austria |
| 57 | Steven Hutnick | 29 | Son | Laborer | Austria |
| 58 | Mary Hutnick | 21 | Daughter | Seamstress | Pennsylvania |
| 59 | Joseph Kotfis | 53 | Head | Laborer | Poland |
| 60 | Anna Jetchick | 27 | Step Daughter | Spinner | Pennsylvania |
| 61 | John Holko | 24 | Son in Law | Furrier | Pennsylvania |
| 62 | Mary Groberski | 47 | Head | — | Pennsylvania |
| 63 | Daniel Groberski | 15 | Son | — | Pennsylvania |
| 64 | Leonard Groberski | 12 | Son | — | Pennsylvania |
| 65 | Francis Groberski | 25 | Son | Laborer | Pennsylvania |
| 66 | Helen Groberski | 20 | Daughter in Law | — | Pennsylvania |
| 67 | Mary Groberski | 0 | Grand Daughter | — | Pennsylvania |
| 68 | Frances Zelinsky | 63 | Head | — | Poland |
| 69 | Michael Zelinsky | 49 | Son | Laborer | Pennsylvania |
| 70 | Joseph Zelinsky | 29 | Son | Laborer | Pennsylvania |
| 71 | Helen Zelinsky | 26 | Daughter | Book Keeper | Pennsylvania |
| 72 | Helen Ross | 20 | Grand Daughter | New Worker | Pennsylvania |
| 73 | Anna Ross | 16 | Grand Daughter | — | Pennsylvania |
| 74 | Anthony Peterson | 65 | Head | Miner | Lithuania |
| 75 | Mary Peterson THIS PERSON | 53 | Wife | — | Lithuania |
| 76 | Mary Peterson | 19 | Daughter | New Worker | Pennsylvania |
| 77 | Vincent Peterson | 15 | Son | — | Pennsylvania |
| 78 | Eleanor Peterson | 11 | Daughter | — | Pennsylvania |
| 79 | Leo Kairo | 32 | Son in Law | Salesman | Pennsylvania |
| 80 | Katherine Kairo | 30 | Daughter | — | Pennsylvania |
Related Census Records
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)