RH
Robert Hoffman — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Columbia-County, Pennsylvania
Our Model Tree links this Robert Hoffman across the 1930 and 1940 US Censuses in Columbia-County, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1923), then head of a 12-person household.
Age 17
b. ~1923
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Columbia-County, Pennsylvania |
| Surname | Hoffman |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Locust Dale |
| 1935 Residence (County) | Columbia |
| Additional Details | |
| Occupation | New Worker |
| Hours Worked | 52 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | New Worker |
| Township / Ward | Locust Dale |
| Est. Birth Year | ~1923 |
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.
12 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Arthur Hoffman | Head | — | 44 | ~1896 |
| Betty Hoffman | Daughter | — | 15 | ~1925 |
| Robert Hoffman | Son | — | 17 | ~1923 |
| Mabel Hoffman | Daughter | — | 7 | ~1933 |
| Everett Hoffman | Son | — | 19 | ~1921 |
| Ronald Hoffman | Son | — | 2 | ~1938 |
| Leonard Hoffman | Son | — | 13 | ~1927 |
| Carol Hoffman | Daughter | — | ~1940 | |
| Lottie Hoffman | Spouse | — | 36 | ~1904 |
| Shirley Hoffman | Daughter | — | 6 | ~1934 |
| Russell Hoffman | Son | — | 11 | ~1929 |
| Reenea Hoffman | Daughter | — | 5 | ~1935 |
Census Appearances
1930
Columbia, Pennsylvania
Son, age 7
Columbia, Pennsylvania · implied b. ~1923 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hoffman |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Columbia-County, Pennsylvania
Son, age 17
Columbia-County, Pennsylvania · implied b. ~1923 — 12 household members
| Surname | Hoffman |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Locust Dale |
| 1935 Residence (County) | Columbia |
| Occupation | New Worker |
| Hours Worked | 52 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same place |
| 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 Hoffman across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Hoffman
Son · 1940 · age 17 · b. ~1923 · Pennsylvania
★ You are viewing this record
Sibling
Everett Hoffman
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Shirley Hoffman
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ronald Hoffman
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Reenea Hoffman
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leonard Hoffman
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Russell Hoffman
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mabel Hoffman
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Carol Hoffman
Sibling · 1940 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Hoffman
Sibling · 1940 · age 15
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 — Columbia-County, Pennsylvania
Open full size
1940 US Federal Census — Columbia-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03474-00243)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Rita Proctor | 5 | Daughter | — | Pennsylvania |
| 2 | Thomas Proctor | 28 | Brother | Laborer | Pennsylvania |
| 3 | John Omlor | 52 | Head | Miner | Pennsylvania |
| 4 | Anna Omlor | 46 | Wife | — | Pennsylvania |
| 5 | Grace Omlor | 20 | Daughter | Presser | Pennsylvania |
| 6 | Thomas Omlor | 19 | Son | Laborer | Pennsylvania |
| 7 | Marian A. Omlor | 15 | Daughter | — | Pennsylvania |
| 8 | Rita Omlor | 14 | Daughter | — | Pennsylvania |
| 9 | Jean Omlor | 12 | Daughter | — | Pennsylvania |
| 10 | Helen Omlor | 7 | Daughter | — | Pennsylvania |
| 11 | Katherine Manley | 29 | Daughter | Presser | Pennsylvania |
| 12 | Jean Louise Manley | 9 | Granddaughter | — | Pennsylvania |
| 13 | Patricia Ann Manley | 8 | Granddaughter | — | Pennsylvania |
| 14 | Arthur Hoffman | 44 | Head | Miner | Pennsylvania |
| 15 | Lottie Hoffman | 36 | Wife | — | Pennsylvania |
| 16 | Everett Hoffman | 19 | Son | Laborer | Pennsylvania |
| 17 | Robert Hoffman THIS PERSON | 17 | Son | New Worker | Pennsylvania |
| 18 | Betty Hoffman | 15 | Daughter | — | Pennsylvania |
| 19 | Leonard Hoffman | 13 | Son | — | Pennsylvania |
| 20 | Russell Hoffman | 11 | Son | — | Pennsylvania |
| 21 | Mabel Hoffman | 7 | Daughter | — | Pennsylvania |
| 22 | Shirley Hoffman | 6 | Daughter | — | Pennsylvania |
| 23 | Reenea Hoffman | 5 | Daughter | — | Pennsylvania |
| 24 | Ronald Hoffman | 2 | Son | — | Pennsylvania |
| 25 | Carol Hoffman | 0 | Daughter | — | Pennsylvania |
| 26 | Harry Kennedy | 47 | Head | Laborer | Pennsylvania |
| 27 | Emma Kennedy | 44 | Wife | — | Pennsylvania |
| 28 | Charles Mauer | 23 | Step-Son | Reforestation | Pennsylvania |
| 29 | Elwood Mauer | 21 | Step-Son | Laborer | Pennsylvania |
| 30 | John Metzinger | 49 | Head | Stable Boss | Pennsylvania |
| 31 | Ida Metzinger | 47 | Wife | — | Pennsylvania |
| 32 | Harold Metzinger | 26 | Son | Laborer | Pennsylvania |
| 33 | Ruth Metzinger | 24 | Daughter | — | Pennsylvania |
| 34 | Lester Metzinger | 22 | Son | Laborer | Pennsylvania |
| 35 | Carl Metzinger | 20 | Son | Laborer | Pennsylvania |
| 36 | Robert Metzinger | 18 | Son | Laborer | Pennsylvania |
| 37 | Betty Metzinger | 16 | Daughter | — | Pennsylvania |
| 38 | Dorothy Metzinger | 11 | Daughter | — | Pennsylvania |
| 39 | Jacqueline Metzinger | 6 | Daughter | — | Pennsylvania |
| 40 | Jo Ann Metzinger | 5 | Daughter | — | Pennsylvania |
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)