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Robert Gardner — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this Robert Gardner across the 1920, 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1887), then head of a 3-person household.
Age 53
b. ~1887
Male
Head
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | Gardner |
| Given Name | Robert M. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (County) | Philadelphia |
| Additional Details | |
| Occupation | 48 |
| Industry | Fire Insurance |
| Class of Worker | E |
| Income (1939) | 156 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | 48 |
| Township / Ward | Phila |
| Est. Birth Year | ~1887 |
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 Robert | Age | Birth yr |
|---|---|---|---|---|
| Robert Gardner | Head | — | 53 | ~1887 |
| Jack Gardner | Son | — | 19 | ~1921 |
| Stella Gardner | Spouse | — | 50 | ~1890 |
Census Appearances
1920
Philadelphia, Pennsylvania
Other, age 33
Philadelphia, Pennsylvania · implied b. ~1887 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gardner |
| Given Name | Robert J. |
| Relationship to Head | Brother |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Boiler Maker |
| Industry | Midvale Steel Co |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Philadelphia, Pennsylvania
Head, age 43
Philadelphia, Pennsylvania · implied b. ~1887 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gardner |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 23 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Mechanic |
| Industry | Steel |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 40 |
| Radio Set | R |
| Veteran | No |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Philadelphia-County, Pennsylvania
Head, age 53
Philadelphia-County, Pennsylvania · implied b. ~1887 — 3 household members
| Surname | Gardner |
| Given Name | Robert M. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (County) | Philadelphia |
| Occupation | 48 |
| Industry | Fire Insurance |
| Class of Worker | E |
| Income (1939) | 156 |
| Highest Grade | H 4 |
| 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 Gardner across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Robert Gardner
Head · 1940 · age 53 · b. ~1887 · Pennsylvania
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Philadelphia-County, Pennsylvania
Open full size
1940 US Federal Census — Philadelphia-County, Pennsylvania
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-03720-00013)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Jacqueline Shea | 2 | Daughter | — | Pennsylvania |
| 42 | Regina Bernauer | 72 | Mother-in-law | — | Germany |
| 43 | Carl Oath | 35 | Head | 51 | Pennsylvania |
| 44 | Florence Oath | 37 | Wife | — | Pennsylvania |
| 45 | Edward Oath | 17 | Son | 40 | Pennsylvania |
| 46 | Marlene Oath | 6 | Daughter | — | Pennsylvania |
| 47 | Geraldine Oath | 4 | Daughter | — | Pennsylvania |
| 48 | Robert M. Gardner THIS PERSON | 53 | Head | 48 | Pennsylvania |
| 49 | Stella Gardner | 50 | Wife | — | Pennsylvania |
| 50 | Jack Gardner | 19 | Son | 40 | Pennsylvania |
| 51 | Carl Gasko | 39 | Head | Salesman | Austria |
| 52 | Mildred Gasko | 38 | Wife | — | Austria |
| 53 | Mildred Gasko | 13 | Daughter | — | Pennsylvania |
| 54 | James Koch | 31 | Head | 48 | Pennsylvania |
| 55 | Wilma Koch | 27 | Wife | — | Pennsylvania |
| 56 | Iris Koch | 2 | Daughter | — | Pennsylvania |
| 57 | Margaret Krautsack | 53 | Mother-in-law | 40 | Pennsylvania |
| 58 | George Buttermuth | 33 | Head | 40 | Pennsylvania |
| 59 | Eunice Buttermuth | 33 | Wife | — | Wisconsin |
| 60 | Daniel Fredell | 36 | Head | 40 | Pennsylvania |
| 61 | Catherine Fredell | 32 | Wife | — | New Jersey |
| 62 | Daniel Fredell | 10 | Son | — | Pennsylvania |
| 63 | Joan Fredell | 8 | Daughter | — | Pennsylvania |
| 64 | Mary Fredell | 5 | Daughter | — | Pennsylvania |
| 65 | William W. Harrison | 53 | Head | 40 | Pennsylvania |
| 66 | Henrietta Harrison | 46 | Wife | — | Pennsylvania |
| 67 | William J. Harrison | 23 | Son | 40 | Pennsylvania |
| 68 | George H. Harrison | 19 | Son | 40 | Pennsylvania |
| 69 | Marie Harrison | 9 | Daughter | — | Pennsylvania |
| 70 | Adolph Reith | 78 | Father-in-law | — | Pennsylvania |
| 71 | Frank Ruffolo | 39 | Head | Steam Eng. | Italy |
| 72 | Mary Ruffolo | 32 | Wife | — | Pennsylvania |
| 73 | Nellie Ruffolo | 16 | Daughter | — | Pennsylvania |
| 74 | Robert Ruffolo | 13 | Son | — | Pennsylvania |
| 75 | Jerry Varnet | 31 | Head | 40 | Pennsylvania |
| 76 | Hellamine Varnet | 38 | Wife | — | Scotland |
| 77 | Jacqueline Varnet | 5 | Daughter | — | Pennsylvania |
| 78 | Eleanor Varnet | 3 | Daughter | — | Pennsylvania |
| 79 | Benjamin Strumph | 39 | Head | 44 | 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)