TM
Thomas Mccormick — 1940 US Census Record
Model Tree available1940 United States Federal Census · Lackawanna-County, Pennsylvania
Our Model Tree links this Thomas Mccormick across the 1920, 1930 and 1940 US Censuses in Lackawanna-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Ben & Bridget — first a son (b.~1904), then head of a 4-person household.
Age 36
b. ~1904
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Lackawanna-County, Pennsylvania |
| Surname | McCormick |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Olyphant |
| 1935 Residence (County) | Lackawanna |
| Additional Details | |
| Occupation | Laborer |
| Industry | Coal Mine |
| Class of Worker | PW |
| Hours Worked | 21 |
| Income (1939) | 900 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Laborer |
| Township / Ward | Olyphant |
| Est. Birth Year | ~1904 |
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 |
|---|---|---|---|---|
| Thomas Mccormick | Son | — | 36 | ~1904 |
| Lorraine Cooper | Other | — | 20 | ~1920 |
| Madeline Mccormick | Daughter | — | 24 | ~1916 |
| Ben Mccormick | Head | — | 69 | ~1871 |
Census Appearances
1920
Lackawanna, Pennsylvania
Son, age 15
Lackawanna, Pennsylvania · implied b. ~1905 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCormack |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | England |
| Mother's Birthplace | Scotland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Lackawanna, Pennsylvania
Son, age 24
Lackawanna, Pennsylvania · implied b. ~1906 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCormack |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | England |
| Mother's Birthplace | Scotland |
| Occupation | Labor |
| Industry | Coal Mines |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Lackawanna-County, Pennsylvania
Son, age 36
Lackawanna-County, Pennsylvania · implied b. ~1904 — 4 household members
| Surname | McCormick |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Olyphant |
| 1935 Residence (County) | Lackawanna |
| Occupation | Laborer |
| Industry | Coal Mine |
| Class of Worker | PW |
| Hours Worked | 21 |
| Income (1939) | 900 |
| 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 Thomas Mccormick across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Ben Mccormick (~0.92 confidence) and mother Bridget Mccormack (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Ben Mccormick
b. ~1871
Source father
● Household
· direct · ~0.92
Mother
Bridget Mccormack
b. ~1875
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Thomas Mccormick
Son · 1940 · age 36 · b. ~1904 · Pennsylvania
★ You are viewing this record
Sibling
Madeline Mccormick
Sibling · 1940 · age 24
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 — Lackawanna-County, Pennsylvania
Open full size
1940 US Federal Census — Lackawanna-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03526-00503)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Michael J. Buddy | 61 | Head | Laborer | Pennsylvania |
| 42 | James Buddy | 27 | Son | Pressman | Pennsylvania |
| 43 | Joseph Buddy | 23 | Son | Planker | Pennsylvania |
| 44 | Francis J. Buddy | 24 | Son | Laborer | Pennsylvania |
| 45 | Helen Buddy | 24 | Daughter | — | Pennsylvania |
| 46 | Elizabeth Schuster | 75 | Mother-in-law | — | Austria |
| 47 | Stanley Rodasky | 42 | Head | Laborer | Poland |
| 48 | Lucy Rodasky | 41 | Wife | — | Poland |
| 49 | Owen Boyd | 62 | Head | Chargeman | England |
| 50 | Mary A. Boyd | 61 | Wife | — | England |
| 51 | Joseph D. Boyd | 34 | Son | Electrician | England |
| 52 | Dorothy Boyd | 28 | Daughter | — | Pennsylvania |
| 53 | Joseph A. Jr. Boyd | 0 | Son | — | Pennsylvania |
| 54 | Ben E. Mccormick | 69 | Head | — | Scotland |
| 55 | Thomas Mccormick THIS PERSON | 36 | Son | Laborer | Pennsylvania |
| 56 | Madeline Mccormick | 24 | Daughter | Registered Nurse | Pennsylvania |
| 57 | Lorraine Cooper | 20 | Niece | — | Pennsylvania |
| 58 | Edward Ingoldsby | 65 | Head | Laborer | Pennsylvania |
| 59 | Hannah J. Ingoldsby | 62 | Wife | — | Pennsylvania |
| 60 | Phil Ingoldsby | 41 | Son | Time Keeper | Pennsylvania |
| 61 | Dorothy Ingoldsby | 21 | Daughter | Stenographer | Pennsylvania |
| 62 | Edward Jr. Ingoldsby | 19 | Son | — | Pennsylvania |
| 63 | Lorraine Ingoldsby | 19 | Daughter | New Worker | Pennsylvania |
| 64 | Peter D. Tchensky | 42 | Head | Chain Operator | Pennsylvania |
| 65 | Jennie Tchensky | 42 | Wife | — | Pennsylvania |
| 66 | Anna Tchensky | 18 | Daughter | — | Pennsylvania |
| 67 | Sarah J. Hammermik | 68 | Head | — | Poland |
| 68 | Anna Babicz | 33 | Head | — | Austria |
| 69 | John Babicz | 15 | Son | — | Pennsylvania |
| 70 | Joseph Babicz | 9 | Son | — | Pennsylvania |
| 71 | Theodore Burda | 58 | Head | Laborer | Austria |
| 72 | Maria Burda | 50 | Wife | — | Austria |
| 73 | John Burda | 27 | Son | Salesman | Pennsylvania |
| 74 | Theodore Alcherin | 50 | Head | Laborer | Austria |
| 75 | Anastasia Alcherin | 46 | Wife | — | Austria |
| 76 | Mary Alcherin | 24 | Daughter | Stenographer | Pennsylvania |
| 77 | Olga Alcherin | 21 | Daughter | Saleslady | Pennsylvania |
| 78 | Theodore Jr. Alcherin | 21 | Son | — | Pennsylvania |
| 79 | Joseph Donnelly | 31 | Head | Laborer | Pennsylvania |
| 80 | Olga Donnelly | 20 | Wife | — | Pennsylvania |
Pedigree Summary
Thomas + 1 sibling
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)