MW
Mary Wolfe — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Buffalo-County, Wisconsin
Our Model Tree links this Mary Wolfe across the 1920, 1930 and 1940 US Censuses in Buffalo-County, Wisconsin (XGBoost, ~Confirmed) — first a head (b.~1879), then head of a 3-person household.
Age 61
b. ~1879
Female
Head
Born: Wisconsin
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Buffalo-County, Wisconsin |
| Surname | Wolfe |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 61 |
| Marital Status | Widowed |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Glencoe Town |
| 1935 Residence (County) | Buffalo |
| Additional Details | |
| Occupation | Operator |
| Industry | Farm |
| Class of Worker | E |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Same house |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
| Occupation | Operator |
| Township / Ward | Glencoe Town |
| Est. Birth Year | ~1879 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Nathan Wolfe | Son | — | 24 | ~1916 |
| Mary Wolfe | Head | — | 61 | ~1879 |
| Lester Fritaglerfritagter | Other | — | 20 | ~1920 |
Census Appearances
1920
Trempealeau, Wisconsin
Spouse, age 43
Trempealeau, Wisconsin · implied b. ~1877 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Wolfe |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | German |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1930
Trempealeau, Wisconsin
Spouse, age 51
Trempealeau, Wisconsin · implied b. ~1879 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Wolfe |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| Age at First Marriage | 18 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Can Read/Write | Yes |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1940
Buffalo-County, Wisconsin
Head, age 61
Buffalo-County, Wisconsin · implied b. ~1879 — 3 household members
| Surname | Wolfe |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 61 |
| Marital Status | Widowed |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Glencoe Town |
| 1935 Residence (County) | Buffalo |
| Occupation | Operator |
| Industry | Farm |
| Class of Worker | E |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Same house |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
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 Wolfe across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Wolfe
Head · 1940 · age 61 · b. ~1879 · Wisconsin
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Buffalo-County, Wisconsin
Open full size
1940 US Federal Census — Buffalo-County, Wisconsin
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04462-00230)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Archie Martin | 39 | Brother | Laborer | Scotland |
| 42 | Mary Martin | 59 | Sister | — | Wisconsin |
| 43 | Mary Wolfe THIS PERSON | 61 | Head | Operator | Wisconsin |
| 44 | Nathan Wolfe | 24 | Son | Laborer | Wisconsin |
| 45 | Lester Fritagler|Fritagter | 20 | Hired hand | Laborer | Wisconsin |
| 46 | Frank Mchenry | 60 | Head | Operator | Wisconsin |
| 47 | Anna Mchenry | 56 | Wife | — | Wisconsin |
| 48 | Joseph Koch | 29 | Hired hand | Laborer | Wisconsin |
| 49 | Ralph Christ | 44 | Head | Operator | Wisconsin |
| 50 | Lillian Christ | 40 | Wife | — | Wisconsin |
| 51 | Gerald Christ | 19 | Son | Laborer | Wisconsin |
| 52 | Vivian Christ | 18 | Daughter | — | Wisconsin |
| 53 | Bernard Christ | 16 | Son | — | Wisconsin |
| 54 | Ralph Jr. Christ | 9 | Son | — | Wisconsin |
| 55 | Gail Christ | 5 | Son | — | Wisconsin |
| 56 | Jane Hunter | 84 | Head | — | Pennsylvania |
| 57 | Mckinley Hunter | 45 | Son | Laborer | Wisconsin |
| 58 | Alvin Boberg | 29 | Head | Operator | Wisconsin |
| 59 | Irene Boberg | 27 | Wife | — | Wisconsin |
| 60 | James Boberg | 3 | Son | — | Wisconsin |
| 61 | Lorraine Barth | 23 | Lodger | Teacher | Wisconsin |
| 62 | William Kottarz | 40 | Head | Operator | Wisconsin |
| 63 | Palma Kottarz | 42 | Wife | — | Wisconsin |
| 64 | Fern Kottarz | 12 | Daughter | — | Wisconsin |
| 65 | Dominic Slimak | 21 | Hired hand | Laborer | Wisconsin |
| 66 | Hugo Herbert | 39 | Head | Operator | Wisconsin |
| 67 | Minnie Berg | 70 | Head | Operator | Wisconsin |
| 68 | Hilmer Berg | 30 | Son | Laborer | Wisconsin |
| 69 | Albert Berg | 25 | Son | Laborer | Wisconsin |
| 70 | Louis Berg | 34 | Head | Laborer | Wisconsin |
| 71 | Emma Berg | 27 | Wife | — | Wisconsin |
| 72 | Lucille Berg | 1 | Daughter | — | Wisconsin |
| 73 | Fred Dabelstein | 73 | Head | Operator | Minnesota |
| 74 | Mary Ann Dabelstein | 67 | Wife | — | Wisconsin |
| 75 | William Dabelstein | 45 | Son | Operator | Minnesota |
| 76 | Joseph Boberg | 51 | Head | Operator | Ohio |
| 77 | Nellie Boberg | 46 | Wife | — | Pennsylvania |
| 78 | Arthur Boberg | 19 | Son | Laborer | Wisconsin |
| 79 | Eileen Boberg | 17 | Daughter | Housework | Wisconsin |
| 80 | Laverne Boberg | 13 | Son | — | Wisconsin |
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)