TC
Thomas Collins — 1940 US Census Record
Model Tree available1940 United States Federal Census · Delaware-County, Pennsylvania
Our Model Tree links this Thomas Collins across the 1920, 1930 and 1940 US Censuses in Delaware-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Philip & Mary — first a son (b.~1919), then head of a 4-person household.
Age 21
b. ~1919
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Delaware-County, Pennsylvania |
| Surname | Collins |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Upper Darby |
| 1935 Residence (County) | Delaware |
| Additional Details | |
| Occupation | Laborer |
| Industry | Builder Contractor |
| Class of Worker | PW |
| Hours Worked | 20 |
| Income (1939) | 300 |
| Highest Grade | No 6 |
| 1935 Residence | Same House |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Laborer |
| Township / Ward | Upper Darby |
| Est. Birth Year | ~1919 |
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 |
|---|---|---|---|---|
| Florence Collins | Head | — | 36 | ~1904 |
| Emile Corbin | Other | — | 47 | ~1893 |
| Thomas Collins | Son | — | 21 | ~1919 |
| John Collins | Son | — | 19 | ~1921 |
Census Appearances
1920
Delaware, Pennsylvania
Son, age
Delaware, Pennsylvania · implied b. ~1920 — 14 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Collins |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Delaware, Pennsylvania
Son, age 11
Delaware, Pennsylvania · implied b. ~1919 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Collins |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Delaware-County, Pennsylvania
Son, age 21
Delaware-County, Pennsylvania · implied b. ~1919 — 4 household members
| Surname | Collins |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Upper Darby |
| 1935 Residence (County) | Delaware |
| Occupation | Laborer |
| Industry | Builder Contractor |
| Class of Worker | PW |
| Hours Worked | 20 |
| Income (1939) | 300 |
| Highest Grade | No 6 |
| 1935 Residence | Same House |
| 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 Thomas Collins across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Philip Collins (~0.92 confidence) and mother Mary Collins (~0.92 confidence) and mother Florence Collins (~0.92 confidence) and mother Florence Collins (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Philip Collins
b. ~1873
Source father
● Household
· direct · ~0.92
Mother
Mary Collins
b. ~1875
Source mother
● Household
· direct · ~0.92
Mother
Florence Collins
b. ~1904
Source mother
● Household
· direct · ~0.92
Mother
Florence Collins
b. ~1904
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Thomas Collins
Son · 1940 · age 21 · b. ~1919 · Pennsylvania
★ You are viewing this record
Sibling
John Collins
Sibling · 1940 · age 19
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 — Delaware-County, Pennsylvania
Open full size
1940 US Federal Census — Delaware-County, Pennsylvania
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-03497-00728)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Thomas B. Doyle | 62 | Head | Laborer | Pennsylvania |
| 42 | Marguerite Doyle | 62 | Wife | — | Pennsylvania |
| 43 | Thomas C. Doyle | 31 | Son | Spinner | Pennsylvania |
| 44 | Charles H. Doyle | 63 | Lodger | Watchman | Pennsylvania |
| 45 | Bridget Byron | 76 | Head | — | Ireland |
| 46 | Florence Collins | 36 | Head | — | Pennsylvania |
| 47 | Thomas Collins THIS PERSON | 21 | Son | Laborer | Pennsylvania |
| 48 | John Collins | 19 | Son | Laborer | Pennsylvania |
| 49 | Emile Corbin | 47 | Lodger | Caddy | Pennsylvania |
| 50 | Henry J. Whalen | 32 | Head | Architect | Pennsylvania |
| 51 | Anna J. Whalen | 29 | Wife | — | Pennsylvania |
| 52 | Henry J. 3Rd Whalen | 5 | Son | — | Pennsylvania |
| 53 | Thomas J. Whalen | 3 | Son | — | Pennsylvania |
| 54 | Anne Marie Whalen | 0 | Daughter | — | Pennsylvania |
| 55 | Michael Mazzanti | 77 | Head | — | Italy |
| 56 | M. Rowland | 26 | Head | Broker | Pennsylvania |
| 57 | Helen M. Stinson | 27 | Wife | — | Pennsylvania |
| 58 | Doris Ann Stinson | 4 | Daughter | — | Pennsylvania |
| 59 | Robert B. Fermer | 49 | Head | Sales | Pennsylvania |
| 60 | Bessie Fermer | 55 | Wife | — | Pennsylvania |
| 61 | (Two Blocks Of Vacant Land Come In Here) | None | — | — | — |
| 62 | George Fleminger | 42 | Head | Auto Mechanic | Pennsylvania |
| 63 | Harriet Fleminger | 35 | Wife | Telephone Operator | Pennsylvania |
| 64 | George Fleminger | 15 | Son | — | Pennsylvania |
| 65 | Joseph Fleminger | 13 | Son | — | Pennsylvania |
| 66 | (Child'S Age Comes To A Dead End Line.) | None | — | — | — |
| 67 | Patrick Healy | 68 | Head | Janitor | Ireland |
| 68 | Catherine Healy | 68 | Wife | — | Ireland |
| 69 | Marie Moore | 46 | Daughter | Clerk | Pennsylvania |
| 70 | Joseph Moore | 44 | Son | — | Pennsylvania |
| 71 | Madeline Moore | 24 | Daughter | Clerk | Pennsylvania |
| 72 | W. Collins Dingley | 52 | Head | Accountant | Pennsylvania |
| 73 | Helena Dingley | 46 | Wife | Technical Clerk | New York |
| 74 | Laura Lurging | 48 | Sister-in-law | — | New York |
| 75 | Miriam Hayes | 63 | Housekeeper | Servant | Maryland |
| 76 | Ella Cain | 64 | Head | — | Pennsylvania |
| 77 | Bernice Cain | 23 | Daughter | Laundress | Pennsylvania |
| 78 | Paul Cain | 30 | Son | — | Pennsylvania |
| 79 | Catherine Cavanaugh | 12 | Granddaughter | — | Pennsylvania |
Pedigree Summary
Thomas + 1 sibling
Gen 1 · 4 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)