TR
Thomas Robinson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this Thomas Robinson across the 1920, 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents James & Susan — first a head (b.~1911), then head of a 4-person household.
Age 29
b. ~1911
Male
Head
Born: Ireland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | Robinson |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | driver salesman |
| Industry | lunch truck |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1240 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Occupation | Driver Salesman |
| Township / Ward | Philadelphia |
| Est. Birth Year | ~1911 |
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 Thomas | Age | Birth yr |
|---|---|---|---|---|
| Margaret Robinson | Daughter | — | 3 | ~1937 |
| Thomas Robinson | Head | — | 29 | ~1911 |
| James Robinson | Son | — | 4 | ~1936 |
| Margaret Robinson | Spouse | — | 25 | ~1915 |
Census Appearances
1920
Philadelphia, Pennsylvania
Son, age 8
Philadelphia, Pennsylvania · implied b. ~1912 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Robinson |
| Given Name | Thomas A |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Ireland |
| Year of Immigration | 1914 |
| Naturalization Status | Alien |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1930
Philadelphia, Pennsylvania
Other, age 19
Philadelphia, Pennsylvania · implied b. ~1911 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Robinson |
| Given Name | Thomas |
| Relationship to Head | Son-in-law |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Married |
| Birthplace | Ireland |
| Age at First Marriage | 19 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Helper |
| Industry | Tool Factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1940
Philadelphia-County, Pennsylvania
Head, age 29
Philadelphia-County, Pennsylvania · implied b. ~1911 — 4 household members
| Surname | Robinson |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Naturalization Status | Naturalized |
| Occupation | driver salesman |
| Industry | lunch truck |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1240 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
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 Thomas Robinson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father James Robinson (~0.92 confidence) and mother Susan Robinson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Robinson
b. ~1870
Source father
● Household
· direct · ~0.92
Mother
Susan Robinson
b. ~1877
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Thomas Robinson
Head · 1940 · age 29 · b. ~1911 · 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 — Philadelphia-County, Pennsylvania
Open full size
1940 US Federal Census — Philadelphia-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03733-00299)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mabel Albright | 45 | Wife | Cleaner | Pennsylvania |
| 2 | Eleanore Albright | 15 | daughter | — | Pennsylvania |
| 3 | John Albright | 8 | son | — | Pennsylvania |
| 4 | William Clapp | 48 | Head | Upholsterer | North Carolina |
| 5 | Martha Clapp | 19 | daughter | Filling | South Carolina |
| 6 | William Clapp | 17 | son | — | South Carolina |
| 7 | Jose Blasco | 35 | lodger | Laborer | Mexico |
| 8 | Raymond Coons | 46 | Head | Label Maker | Pennsylvania |
| 9 | Maude L. Coons | 44 | wife | — | Pennsylvania |
| 10 | Margaret E. Coons | 21 | daughter | Packer | Pennsylvania |
| 11 | Hayward Coons | 19 | son | Jewelry Maker | Pennsylvania |
| 12 | Thomas Robinson THIS PERSON | 29 | Head | Driver Salesman | Ireland |
| 13 | Margaret Robinson | 25 | wife | — | Pennsylvania |
| 14 | James Robinson | 4 | son | — | Pennsylvania |
| 15 | Margaret Robinson | 3 | daughter | — | Pennsylvania |
| 16 | Patrick J. Smith | 47 | Head | Patrolman | Pennsylvania |
| 17 | Marie Smith | 47 | wife | — | Pennsylvania |
| 18 | Marie Smith | 15 | daughter | — | Pennsylvania |
| 19 | Albert J. St. Joseph | 28 | Head | Mechanic | Canada |
| 20 | Marie St. Joseph | 25 | wife | — | Pennsylvania |
| 21 | Ethel O'Brien | 23 | sister-in-law | Dental | Pennsylvania |
| 22 | Kathryn O'Brien | 29 | sister-in-law | Teeth | Pennsylvania |
| 23 | Alfred O'Brien | 24 | brother-in-law | Attendant | Pennsylvania |
| 24 | O'Brien | 52 | mother-in-law | — | Pennsylvania |
| 25 | James Whittall | 43 | lodger | — | Pennsylvania |
| 26 | Jacob L. Cohen | 28 | Head | Dentist | Pennsylvania |
| 27 | Nathan Cohen | 27 | brother | Salesman | Pennsylvania |
| 28 | Betty Cohen | 28 | sister-in-law | — | Austria |
| 29 | Barry Cohen | 6 | nephew | — | Pennsylvania |
| 30 | George Katz | 48 | Head | Proprietor | Germany |
| 31 | George Katz | 31 | son | Assembler | Pennsylvania |
| 32 | Marion Katz | 33 | daughter-in-law | — | Pennsylvania |
| 33 | Marion Katz | 6 | daughter | — | Pennsylvania |
| 34 | Joan Katz | 1 | daughter | — | Pennsylvania |
| 35 | Josephine Mc Gill | 22 | lodger | — | Pennsylvania |
| 36 | Josephine Mc Gill | 45 | lodger | — | Pennsylvania |
| 37 | Mary Sapper | 49 | Head | Housework | Scotland |
| 38 | William Sapper | 18 | son | Usher | Pennsylvania |
| 39 | Joan Sapper | 10 | daughter | — | Pennsylvania |
| 40 | Harry Heller | 51 | Head | Plumber | Pennsylvania |
Related Census Records
Pedigree Summary
Thomas
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)