TC
Thomas Casey — 1940 US Census Record
Model Tree available1940 United States Federal Census · Essex-County, Massachusetts
Our Model Tree links this Thomas Casey across the 1920, 1930 and 1940 US Censuses in Essex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents John & John — first a son (b.~1918), then head of a 6-person household.
Age 22
b. ~1918
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Essex-County, Massachusetts |
| Surname | Casey |
| Given Name | Thomas F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Lawrence City |
| 1935 Residence (County) | Essex |
| Additional Details | |
| Occupation | Sales Clerk |
| Industry | Retail Candy Store |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 840 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Sales Clerk |
| Township / Ward | Lawrence City |
| 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 Thomas | Age | Birth yr |
|---|---|---|---|---|
| Louise Casey | Daughter | — | 19 | ~1921 |
| John Casey | Head | — | 62 | ~1878 |
| Thomas Casey | Son | — | 22 | ~1918 |
| Nancy Casey | Daughter | — | 18 | ~1922 |
| Jane Casey | Spouse | — | 56 | ~1884 |
| Agnes Casey | Daughter | — | 30 | ~1910 |
Census Appearances
1920
Essex, Massachusetts
Son, age 1
Essex, Massachusetts · implied b. ~1919 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Casey |
| Given Name | Thomas F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Ireland |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Essex, Massachusetts
Son, age 12
Essex, Massachusetts · implied b. ~1918 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Casey |
| Given Name | Thomas F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | North of Ireland |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Essex-County, Massachusetts
Son, age 22
Essex-County, Massachusetts · implied b. ~1918 — 6 household members
| Surname | Casey |
| Given Name | Thomas F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Lawrence City |
| 1935 Residence (County) | Essex |
| Occupation | Sales Clerk |
| Industry | Retail Candy Store |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 840 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
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 Casey across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Casey (~0.92 confidence) and father John Casey (~0.92 confidence) and father John Casey (~0.92 confidence) and mother Jane Casey (~0.92 confidence) and mother Jennie Casey (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Casey
b. ~1878
Source father
● Household
· direct · ~0.92
Father
John Casey
b. ~1879
Source father
● Household
· direct · ~0.92
Father
John Casey
b. ~1878
Source father
● Household
· direct · ~0.92
Mother
Jane Casey
b. ~1884
Source mother
● Household
· direct · ~0.92
Mother
Jennie Casey
b. ~1883
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Thomas Casey
Son · 1940 · age 22 · b. ~1918 · Massachusetts
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Sibling
Louise Casey
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nancy Casey
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Agnes Casey
Sibling · 1940 · age 30
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 — Essex-County, Massachusetts
Open full size
1940 US Federal Census — Essex-County, Massachusetts
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-01583-00969)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mary Rose | 19 | Daughter | — | Massachusetts |
| 42 | Samuel Smith | 71 | Head | — | England |
| 43 | Ethel Smith | 68 | Wife | — | Massachusetts |
| 44 | Mildred Smith | 45 | Daughter | School Teacher | Massachusetts |
| 45 | Bernice Smith | 37 | Daughter | Nurse | Massachusetts |
| 46 | Herbert S. Smith | 34 | Son | Printer | Massachusetts |
| 47 | William E. Girard | 45 | Head | Foreman | Massachusetts |
| 48 | Mary O. Girard | 44 | Wife | Burler | Massachusetts |
| 49 | William J. Girard | 13 | Son | — | Massachusetts |
| 50 | James Blackwell | 43 | Head | Loom Fixer | Massachusetts |
| 51 | Josephine Blackwell | 41 | Wife | — | Massachusetts |
| 52 | Gertrude Blackwell | 10 | Daughter | — | Massachusetts |
| 53 | Shirley Blackwell | 6 | Daughter | — | Massachusetts |
| 54 | John Blackwell | 5 | Son | — | Massachusetts |
| 55 | Clarence Gutteridge | 55 | Head | Electrical Contractor | Massachusetts |
| 56 | Edith A. Gutteridge | 44 | Wife | — | New Brunswick |
| 57 | William C. Gutteridge | 13 | Son | — | Massachusetts |
| 58 | Barbara E. Gutteridge | 12 | Daughter | — | Massachusetts |
| 59 | Mary Nahoye | 72 | Head | — | Eire |
| 60 | Katherine Nahoye | 45 | Daughter | Examiner | Massachusetts |
| 61 | John I. Casey | 62 | Head | Chef | Massachusetts |
| 62 | Agnes Casey | 30 | Daughter | — | Massachusetts |
| 63 | Thomas F. Casey THIS PERSON | 22 | Son | Sales Clerk | Massachusetts |
| 64 | Louise Casey | 19 | Daughter | Sales Clerk | Massachusetts |
| 65 | Nancy Casey | 18 | Daughter | Sales Clerk | Massachusetts |
| 66 | Jane F. Casey | 56 | Wife | — | Ireland |
| 67 | Alexander Mcfarland | 63 | Head | Watchman | Scotland |
| 68 | Sara Mcfarland | 60 | Wife | — | Scotland |
| 69 | William Duffin | 54 | Head | Truck Driver | Massachusetts |
| 70 | Mary V. Duffin | 44 | Wife | — | Massachusetts |
| 71 | Fred Nader | 37 | Head | Dealer | Lebanon |
| 72 | Esma Nader | 35 | Wife | — | Lebanon |
| 73 | Robert Nader | 9 | Son | — | Massachusetts |
| 74 | Fred Jr. Nader | 6 | Son | — | Massachusetts |
| 75 | John C. Doiron | 45 | Head | — | Canada |
| 76 | Flora Doiron | 47 | Wife | — | Massachusetts |
| 77 | Clare Doiron | 25 | Daughter | — | Massachusetts |
| 78 | John Jr. Doiron | 9 | Son | — | Massachusetts |
Pedigree Summary
Thomas + 3 siblings
Gen 1 · 5 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)