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Robert Gilbert — 1940 US Census Record
Model Tree available1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Robert Gilbert across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents John & Milton — first a son (b.~1918), then head of a 6-person household.
Age 22
b. ~1918
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Gilbert |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Occupation | Usher |
| Industry | Theater |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 798 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Usher |
| Township / Ward | Pittsburgh |
| Est. Birth Year | ~1918 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Andrew Gilbert | Son | — | 18 | ~1922 |
| Robert Gilbert | Son | — | 22 | ~1918 |
| Walter Gilbert | Head | — | 49 | ~1891 |
| Gilbert Gilbert | Son | — | 25 | ~1915 |
| Raymond Gilbert | Son | — | 20 | ~1920 |
| Hilda Gilbert | Spouse | — | 44 | ~1896 |
Census Appearances
1920
Allegheny, Pennsylvania
Son, age 2
Allegheny, Pennsylvania · implied b. ~1918 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gilbert |
| Given Name | Robert S |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Germany |
| Mother's Birthplace | Pennsylvania |
| Mother Tongue | German |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Son, age 12
Allegheny, Pennsylvania · implied b. ~1918 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gilbert |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Germany |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Son, age 22
Allegheny-County, Pennsylvania · implied b. ~1918 — 6 household members
| Surname | Gilbert |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Occupation | Usher |
| Industry | Theater |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 798 |
| 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 Gilbert across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Dietz (~0.92 confidence) and father Milton Gilbert (~0.92 confidence) and father Walter Gilbert (~0.92 confidence) and mother Catherine Dietz (~0.92 confidence) and mother Hilda Gilbert (~0.92 confidence) and father John Dietz (~0.82 confidence) and mother Catherine Dietz (~0.82 confidence). The pedigree spans 2 generations with 7 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.89
Father
John Dietz
b. ~1868
Source father
● Household
· direct · ~0.92
Father
Milton Gilbert
b. ~1886
Source father
● Household
· direct · ~0.92
Father
Walter Gilbert
b. ~1891
Source father
● Household
· direct · ~0.92
Mother
Catherine Dietz
b. ~1870
Source mother
● Household
· direct · ~0.92
Mother
Hilda Gilbert
b. ~1896
Source mother
● Household
· direct · ~0.92
Father
John Dietz
b. ~1868
Source mother>father
● Household
· direct · ~0.82
Mother
Catherine Dietz
b. ~1870
Source mother>mother
● Household
· direct · ~0.82
This person
Anchor record
Robert Gilbert
Son · 1940 · age 22 · b. ~1918 · Pennsylvania
★ You are viewing this record
Sibling
Raymond Gilbert
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Andrew Gilbert
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gilbert Gilbert
Sibling · 1940 · age 25
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 — Allegheny-County, Pennsylvania
Open full size
1940 US Federal Census — Allegheny-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03668-00522)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Catherine Drake | 3 | Grand daughter | — | Pennsylvania |
| 2 | Mary Clark | 38 | Roomer | Maid | Pennsylvania |
| 3 | Harry Shuler | 46 | Head | Painter | Pennsylvania |
| 4 | Hattie Shuler | 59 | Wife | — | Pennsylvania |
| 5 | Walter Gilbert | 49 | Head | Laborer | Germany |
| 6 | Hilda Gilbert | 44 | Wife | — | Pennsylvania |
| 7 | Gilbert Gilbert | 25 | Son | Laborer | Pennsylvania |
| 8 | Robert Gilbert THIS PERSON | 22 | Son | Usher | Pennsylvania |
| 9 | Raymond Gilbert | 20 | Son | New Worker | Pennsylvania |
| 10 | Andrew Gilbert | 18 | Son | New Worker | Pennsylvania |
| 11 | John A. Dietz | 73 | Head | Laborer | Pennsylvania |
| 12 | Walter Dietz | 39 | Brother | Rod Runner | Pennsylvania |
| 13 | Katherine Dietz | 70 | Wife | — | Pennsylvania |
| 14 | John Paull | 39 | Head | Business Agent | Pennsylvania |
| 15 | Catherine Paull | 36 | Wife | — | Pennsylvania |
| 16 | Ruth Paull | 15 | Daughter | — | Pennsylvania |
| 17 | John Mcclusson | 63 | Head | — | Pennsylvania |
| 18 | Helen Mcclusson | 62 | Wife | — | Pennsylvania |
| 19 | James Mcclusson | 40 | Son | Paper Hanger | Pennsylvania |
| 20 | Lois Sloop | 20 | Grand daughter | New Worker | Pennsylvania |
| 21 | Ruth Sloop | 19 | Grand daughter | New Worker | Pennsylvania |
| 22 | Anna Harkins | 66 | Head | — | Pennsylvania |
| 23 | Ike Michelson | 67 | Roomer | Salesman | Pennsylvania |
| 24 | Samuel Mcclain | 53 | Head | — | Ohio |
| 25 | Margaret Mcclain | 51 | Wife | — | Pennsylvania |
| 26 | Joseph Mcclain | 25 | Son | Mechanic | Pennsylvania |
| 27 | Mary Mcclain | 22 | Daughter | — | Pennsylvania |
| 28 | Elizabeth Mcclain | 20 | Daughter | — | Pennsylvania |
| 29 | Margaret Mcclain | 13 | Daughter | — | Pennsylvania |
| 30 | William Mcclain | 12 | Son | — | Pennsylvania |
| 31 | Helen Mcclain | 8 | Daughter | — | Pennsylvania |
| 32 | Mary Schnee | 82 | Head | — | Germany |
| 33 | George Schnee | 58 | Son | Bricklayer | Pennsylvania |
| 34 | Joseph Schnee | 52 | Son | Truck Helper | Pennsylvania |
| 35 | Charles Schnee | 49 | Son | Carpenter | Pennsylvania |
| 36 | Anna Schnee | 42 | Son | — | Pennsylvania |
| 37 | Edward Ward | 39 | Head | — | Pennsylvania |
| 38 | Gladys Ward | 31 | Wife | — | Pennsylvania |
| 39 | Gladys Ward | 12 | Daughter | — | Pennsylvania |
| 40 | John Ward | 10 | Son | — | Pennsylvania |
Pedigree Summary
Robert + 3 siblings
Gen 1 · 5 parents
~0.92
Gen 2 · 2 grandparents
~0.82
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)