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Mary Wolfe — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Frederick-County, Maryland
Our Model Tree links this Mary Wolfe across the 1930 and 1940 US Censuses in Frederick-County, Maryland (XGBoost, ~Confirmed) — first a daughter (b.~1930), then head of a 10-person household.
Age 10
b. ~1930
Female
Daughter
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Frederick-County, Maryland |
| Surname | Wolfe |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Hauvers District ELECTION DISTRICT 19 Hauvers |
| 1935 Residence (County) | Frederick |
| Additional Details | |
| Highest Grade | No 3 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Hauvers District Election District 19 Hauvers |
| Est. Birth Year | ~1930 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Ruth Wolfe | Daughter | — | 16 | ~1924 |
| Audrey-Al Wolfe | Daughter | — | 23 | ~1917 |
| Robert Wolfe | Son | — | 7 | ~1933 |
| Nellie Wolfe | Head | — | 44 | ~1896 |
| Mary Wolfe | Daughter | — | 10 | ~1930 |
| Nevin Wolfe | Son | — | 21 | ~1919 |
| Jane Wolfe | Daughter | — | 5 | ~1935 |
| Evelyn Wolfe | Daughter | — | 15 | ~1925 |
| Kenneth Wolfe | Son | — | 22 | ~1918 |
| John Wolfe | Son | — | 12 | ~1928 |
Census Appearances
1930
Frederick, Maryland
Daughter, age
Frederick, Maryland · implied b. ~1930 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Wolfe |
| Given Name | Mary M |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Frederick-County, Maryland
Daughter, age 10
Frederick-County, Maryland · implied b. ~1930 — 10 household members
| Surname | Wolfe |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Hauvers District ELECTION DISTRICT 19 Hauvers |
| 1935 Residence (County) | Frederick |
| Highest Grade | No 3 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
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 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Wolfe
Daughter · 1940 · age 10 · b. ~1930 · Maryland
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Sibling
Nevin Wolfe
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Evelyn Wolfe
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Wolfe
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Audrey-Al Wolfe
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Wolfe
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Wolfe
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jane Wolfe
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kenneth Wolfe
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Frederick-County, Maryland
Open full size
1940 US Federal Census — Frederick-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01549-00131)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary V. Smith | 32 | wife | — | Maryland |
| 2 | Nellie R. Smith | 14 | daughter | Helper | Maryland |
| 3 | Betty Ann Smith | 7 | daughter | — | Maryland |
| 4 | Gazella M. Wolfe | 67 | head | — | Maryland |
| 5 | Laverne Sibert | 16 | grand-daughter | — | Maryland |
| 6 | Nellie Wolfe | 44 | head | — | Maryland |
| 7 | Audrey-Al Wolfe | 23 | daughter | Housemaid | Maryland |
| 8 | Kenneth Wolfe | 22 | son | Helper | Maryland |
| 9 | Nevin Wolfe | 21 | son | Helper | Maryland |
| 10 | Ruth Wolfe | 16 | daughter | Helper | Maryland |
| 11 | Evelyn Wolfe | 15 | daughter | — | Maryland |
| 12 | John Wolfe | 12 | son | — | Maryland |
| 13 | Mary Wolfe THIS PERSON | 10 | daughter | — | Maryland |
| 14 | Robert Wolfe | 7 | son | — | Maryland |
| 15 | Jane Wolfe | 5 | daughter | — | Maryland |
| 16 | Parker Wolfe | 28 | head | Laborer | Maryland |
| 17 | Ethel Wolfe | 27 | wife | — | Maryland |
| 18 | Howard Wolfe | 7 | son | — | Maryland |
| 19 | Robert Pryor | 11 | step-son | — | Maryland |
| 20 | James Hessong | 68 | head | Farmer | Maryland |
| 21 | Sadie Hessong | 56 | wife | — | Maryland |
| 22 | Ruby Hessong | 30 | daughter | Helper | Maryland |
| 23 | Joseph Hessong | 22 | son | Carpenter | Maryland |
| 24 | Arthur Hessong | 18 | son | Laborer | Maryland |
| 25 | Robert Hessong | 16 | son | — | Maryland |
| 26 | Parker Hessong | 14 | son | — | Maryland |
| 27 | Charles Hessong | 12 | son | — | Maryland |
| 28 | Paul Hessong | 10 | son | — | Maryland |
| 29 | May G. Cline | 55 | head | — | Maryland |
| 30 | Harold Cline | 19 | son | New Worker | Maryland |
| 31 | Richard Harne | 34 | head | Farmer | Maryland |
| 32 | Bina Harne | 31 | wife | — | Maryland |
| 33 | Betty Harne | 13 | daughter | — | Maryland |
| 34 | Leah Harne | 11 | daughter | — | Maryland |
| 35 | Kenneth Cline | 24 | head | Laborer | Maryland |
| 36 | Leah Cline | 25 | wife | — | Maryland |
| 37 | Eileen Cline | 7 | daughter | — | Maryland |
| 38 | Kenneth Cline | 3 | son | — | Maryland |
| 39 | Truman Wolfe | 30 | head | Laborer | Maryland |
| 40 | Lizzie Wolfe | 31 | wife | — | Maryland |
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)