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Robert Wolf — 1940 US Census Record
Model Tree available1940 United States Federal Census · Carbon-County, Pennsylvania
Our Model Tree links this Robert Wolf across the 1920, 1930 and 1940 US Censuses in Carbon-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Frank & Mary — first a head (b.~1904), then head of a 4-person household.
Age 36
b. ~1904
Male
Head
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Carbon-County, Pennsylvania |
| Surname | Wolf |
| Given Name | Robert D. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Guthsville |
| 1935 Residence (County) | Lehigh |
| Additional Details | |
| Occupation | Truck Driver |
| Industry | I.Y. Oil Co. |
| Class of Worker | PW |
| Hours Worked | 50 |
| Income (1939) | 1100 |
| Highest Grade | No 8 8 |
| 1935 Residence | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Truck Driver |
| Township / Ward | Bowmanstown |
| Est. Birth Year | ~1904 |
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 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Robert Wolf | Son | — | 13 | ~1927 |
| Robert Wolf | Head | — | 36 | ~1904 |
| Margaret Wolf | Spouse | — | 32 | ~1908 |
| Arlene Wolf | Daughter | — | 10 | ~1930 |
Census Appearances
1920
Lehigh, Pennsylvania
Son, age 16
Lehigh, Pennsylvania · implied b. ~1904 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Wolf |
| Given Name | Robert M |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Lehigh, Pennsylvania
Head, age 26
Lehigh, Pennsylvania · implied b. ~1904 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Wolf |
| Given Name | Robert R. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 21 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Truck Driver |
| Industry | Oil |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 25 |
| Veteran | No |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Carbon-County, Pennsylvania
Head, age 36
Carbon-County, Pennsylvania · implied b. ~1904 — 4 household members
| Surname | Wolf |
| Given Name | Robert D. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Guthsville |
| 1935 Residence (County) | Lehigh |
| Occupation | Truck Driver |
| Industry | I.Y. Oil Co. |
| Class of Worker | PW |
| Hours Worked | 50 |
| Income (1939) | 1100 |
| Highest Grade | No 8 8 |
| 1935 Residence | Pennsylvania |
| 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 Robert Wolf across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Frank Wolf (~0.92 confidence) and mother Mary Wolf (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Frank Wolf
b. ~1865
Source father
● Household
· direct · ~0.92
Mother
Mary Wolf
b. ~1865
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Wolf
Head · 1940 · age 36 · b. ~1904 · Pennsylvania
★ 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 — Carbon-County, Pennsylvania
Open full size
1940 US Federal Census — Carbon-County, Pennsylvania
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-03460-00154)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Frederick Sander | 25 | Son | Mechanic | Pennsylvania |
| 2 | Norbert Sander | 20 | Son | Truck Driver | Pennsylvania |
| 3 | Paul Sander | 18 | Son | Laborer | Pennsylvania |
| 4 | Mark Sander | 25 | Son | Barber | Pennsylvania |
| 5 | Margaret Sander | 23 | Daughter in Law | Winder | Pennsylvania |
| 6 | Anthony Sander | 80 | Head | — | Germany |
| 7 | Emily Sander | 48 | Daughter | Bookkeeper | Pennsylvania |
| 9 | Robert D. Wolf THIS PERSON | 36 | Head | Truck Driver | Pennsylvania |
| 10 | Margaret Wolf | 32 | Wife | — | Pennsylvania |
| 11 | Robert Jr. Wolf | 13 | Son | — | Pennsylvania |
| 12 | Arlene Wolf | 10 | Daughter | — | Pennsylvania |
| 13 | Howard S. Reber | 51 | Head | Operator | Pennsylvania |
| 14 | Helen Reber | 49 | Wife | — | Pennsylvania |
| 15 | Thelma Reber | 13 | Daughter | — | Pennsylvania |
| 16 | John Reber | 49 | Lodger | Manager | Pennsylvania |
| 17 | Edwin A. Boyer | 71 | Head | Justice Of The Peace | Pennsylvania |
| 18 | Carrie Schafer | 59 | Housekeeper | Housekeeper | Pennsylvania |
| 19 | Marvin Delong | 50 | Head | Merchant | Pennsylvania |
| 20 | Woodrow Delong | 24 | Son | Laborer | Pennsylvania |
| 21 | Mattie Delong | 22 | Daughter | Secretary | Pennsylvania |
| 22 | Miriam Delong | 17 | Daughter | — | Pennsylvania |
| 23 | Carl Delong | 9 | Son | — | Pennsylvania |
| 24 | Squiretta Straup | 67 | Head | Gateman | Pennsylvania |
| 25 | Lillie Straup | 68 | Wife | — | Pennsylvania |
| 26 | Harry Straup | 30 | Son | Laborer | Pennsylvania |
| 27 | Paul Whitaker | 21 | Grandson | Laborer | Pennsylvania |
| 28 | Grace Whitaker | 20 | Granddaughter | S. B. | Pennsylvania |
| 29 | George Blake | 25 | Head | Laborer | Pennsylvania |
| 30 | Betty Blake | 21 | Wife | — | Pennsylvania |
| 31 | Harry Blake | 1 | Son | — | Pennsylvania |
| 33 | Steven Lentz | 30 | Head | Laborer | Pennsylvania |
| 34 | Mabel Lentz | 28 | Wife | Seamstress | Pennsylvania |
| 35 | William H. Balliet | 59 | Head | Merchant | Pennsylvania |
| 36 | Amilla Balliet | 58 | Wife | — | Pennsylvania |
| 37 | Paul Balliet | 32 | Son | Assistant Cashier | Pennsylvania |
| 38 | Harold Balliet | 21 | Son | Truck Driver | Pennsylvania |
| 39 | William Jr. Balliet | 19 | Son | Bobbin Boy | Pennsylvania |
| 40 | Charles Fenstermacher | 52 | Head | Swingman | Pennsylvania |
Pedigree Summary
Robert
Gen 1 · 2 parents
~0.92
Max depth 4 (1900–1950 window)
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)