MC
Mary Carlson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Erie-County, Pennsylvania
Our Model Tree links this Mary Carlson across the 1930 and 1940 US Censuses in Erie-County, Pennsylvania (XGBoost, ~Confirmed) — first a spouse (b.~1888), then head of a 8-person household.
Age 52
b. ~1888
Female
Spouse
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Erie-County, Pennsylvania |
| Surname | Carlson |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Erie city |
| 1935 Residence (County) | Erie |
| Additional Details | |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Erie City |
| 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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Helen Carlson | Daughter | — | 23 | ~1917 |
| Donald Carlson | Son | — | 24 | ~1916 |
| Maxine Carlson | Daughter | — | 16 | ~1924 |
| Eugene Carlson | Son | — | 27 | ~1913 |
| Robert Carlson | Son | — | 18 | ~1922 |
| Mary Carlson | Spouse | — | 52 | ~1888 |
| O Carlson | Head | — | 59 | ~1881 |
| Martin Carlson | Son | — | 15 | ~1925 |
Census Appearances
1930
Erie, Pennsylvania
Other, age 42
Erie, Pennsylvania · implied b. ~1888 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carlson |
| Given Name | Mary |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 23 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | England |
| Occupation | machinist |
| Industry | steam shovel fact. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Erie-County, Pennsylvania
Spouse, age 52
Erie-County, Pennsylvania · implied b. ~1888 — 8 household members
| Surname | Carlson |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Erie city |
| 1935 Residence (County) | Erie |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Carlson
Spouse · 1940 · age 52 · b. ~1888 · 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 — Erie-County, Pennsylvania
Open full size
1940 US Federal Census — Erie-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03651-00279)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John A. Patzner | 66 | Head | Shrub Gardener | Pennsylvania |
| 2 | Elizabeth Patzner | 67 | Wife | — | Pennsylvania |
| 3 | Wm. Schauman | 63 | Lodger | Nickel Plate Foreman | Pennsylvania |
| 4 | Wm. K. Moore | 72 | Head | Watchman | Pennsylvania |
| 5 | Grace E. Moore | 64 | Wife | — | Pennsylvania |
| 6 | Angelo Nicola Salvatore | 48 | Head | Core Maker | Italy |
| 7 | Marie Salvatore | 40 | Wife | — | Italy |
| 8 | Michael Salvatore | 20 | Son | Tool Maker Apprentice | Pennsylvania |
| 9 | Mamie Salvatore | 15 | Daughter | — | Pennsylvania |
| 10 | Catherine Salvatore | 11 | Daughter | — | Pennsylvania |
| 11 | Lucie Fradone | 74 | Mother-in-law | — | Italy |
| 12 | Grover Weigel | 48 | Head | Custodian Of Voting Machines | Pennsylvania |
| 13 | Helen Weigel | 39 | Wife | — | Colorado |
| 14 | Lulu Foster | 33 | Head | House Keeper | Pennsylvania |
| 15 | Dorothy Foster | 16 | Daughter | — | Pennsylvania |
| 16 | Richard Foster | 15 | Son | — | Pennsylvania |
| 17 | Nellie Foster | 14 | Daughter | — | Pennsylvania |
| 18 | Donald Foster | 12 | Son | — | Pennsylvania |
| 19 | Beveraly Foster | 9 | Daughter | — | Pennsylvania |
| 20 | Shirley Foster | 7 | Daughter | — | Pennsylvania |
| 21 | O. E. Carlson | 59 | Head | Machinist | Pennsylvania |
| 22 | Mary Carlson THIS PERSON | 52 | Wife | — | Pennsylvania |
| 23 | Eugene Carlson | 27 | Son | Refrigeration Assembler | Pennsylvania |
| 24 | Donald Carlson | 24 | Son | Tool Maker | Pennsylvania |
| 25 | Helen Carlson | 23 | Daughter | Sr. Typist - Stenographer | Pennsylvania |
| 26 | Robert Carlson | 18 | Son | — | Pennsylvania |
| 27 | Maxine Carlson | 16 | Daughter | — | Pennsylvania |
| 28 | Martin Carlson | 15 | Son | — | Pennsylvania |
| 29 | Clarence W. Ruesch | 48 | Head | Truck Driver | Pennsylvania |
| 30 | Mary Ruesch | 45 | Wife | — | Pennsylvania |
| 31 | Gervase Ruesch | 23 | Son | Truck Driver | Pennsylvania |
| 32 | Donna Ruesch | 14 | Daughter | — | Pennsylvania |
| 33 | Richard Ruesch | 6 | Son | — | Pennsylvania |
| 34 | Albert Margetta | 24 | Head | Shoe Maker | Pennsylvania |
| 35 | Marion Margetta | 22 | Wife | — | Pennsylvania |
| 36 | Charles Margetta | 1 | Son | — | Pennsylvania |
| 37 | Lawrence Kaestler | 47 | Head | Interior Decorator | Pennsylvania |
| 38 | Edna Kaestler | 39 | Wife | Rubber Trimmer | Pennsylvania |
| 39 | Elaine Whiteman | 19 | Step daughter | Fountain Attendant | Pennsylvania |
| 40 | James Whiteman | 18 | Step son | Dairy Worker | 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)