JC
James Casey — 1940 US Census Record
Model Tree available1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this James Casey across the 1920, 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Mary & John — first a son (b.~1918), then head of a 5-person household.
Age 22
b. ~1918
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Casey |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Chelsea (City) |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Occupation | Meter reader |
| Industry | Paint & glass |
| Class of Worker | PW |
| Income (1939) | 1196 |
| Highest Grade | H 4 |
| 1935 Residence | Same house |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Meter Reader |
| Township / Ward | Chelsea 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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Marie Casey | Daughter | — | 20 | ~1920 |
| Lillian Casey | Daughter | — | 13 | ~1927 |
| Mary Casey | Head | — | 56 | ~1884 |
| James Casey | Son | — | 22 | ~1918 |
| Joseph Casey | Son | — | 29 | ~1911 |
Census Appearances
1920
Suffolk, Massachusetts
Son, age 1
Suffolk, Massachusetts · implied b. ~1919 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Casey |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Suffolk, Massachusetts
Son, age 11
Suffolk, Massachusetts · implied b. ~1919 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Casey |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Son, age 22
Suffolk-County, Massachusetts · implied b. ~1918 — 5 household members
| Surname | Casey |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Chelsea (City) |
| 1935 Residence (County) | Suffolk |
| Occupation | Meter reader |
| Industry | Paint & glass |
| Class of Worker | PW |
| Income (1939) | 1196 |
| Highest Grade | H 4 |
| 1935 Residence | Same house |
| 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 James Casey across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Mary Casey (~0.92 confidence) and father John Casey (~0.92 confidence) and mother Julia Casey (~0.92 confidence) and father Daniel Casey (~0.92 confidence) and mother Alice Casey (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Mary Casey
b. ~1884
Source mother
● Household
· direct · ~0.92
Father
John Casey
b. ~1888
Source father
● Household
· direct · ~0.92
Mother
Julia Casey
b. ~1893
Source mother
● Household
· direct · ~0.92
Father
Daniel Casey
b. ~1896
Source father
● Household
· direct · ~0.92
Mother
Alice Casey
b. ~1897
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Casey
Son · 1940 · age 22 · b. ~1918 · Massachusetts
★ You are viewing this record
Sibling
Joseph Casey
Sibling · 1940 · age 29
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lillian Casey
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marie Casey
Sibling · 1940 · age 20
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 — Suffolk-County, Massachusetts
Open full size
1940 US Federal Census — Suffolk-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01641-00737)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Nathan Franklyn | 70 | Head | Junk Dealer | Russia |
| 42 | Sarah Franklyn | 65 | Wife | — | Russia |
| 43 | Leo Franklyn | 26 | Son | Junk Dealer | Russia |
| 44 | Charles Angelos | 52 | Head | Manager | Greece |
| 45 | Fanny Angelos | 48 | Wife | — | Greece |
| 46 | Arthur Angelos | 17 | Son | — | Massachusetts |
| 47 | Christina Angelos | 12 | Daughter | — | Massachusetts |
| 48 | Pauline Angelos | 9 | Daughter | — | Massachusetts |
| 49 | Robert Cohen | 35 | Head | Salesman | Massachusetts |
| 50 | Regina Cohen | 30 | Wife | — | Russia |
| 51 | Louise Cohen | 4 | Daughter | — | Massachusetts |
| 52 | David Cohen | 2 | Son | — | Massachusetts |
| 53 | Louis Langburt | 50 | Head | Executive Manager | Russia |
| 54 | Mary Langburt | 45 | Wife | — | Russia |
| 55 | Harry Langburt | 21 | Son | — | Massachusetts |
| 56 | Frank Goldman | 48 | Head | Junk Dealer | Russia |
| 57 | Rose Goldman | 47 | Wife | — | Russia |
| 58 | Joseph Goldman | 16 | Son | — | Massachusetts |
| 59 | Harry Milman | 30 | Head | Meat Salesman | Massachusetts |
| 60 | Mina Milman | 25 | Wife | — | Russia |
| 61 | Arthur Milman | 0 | Son | — | Massachusetts |
| 62 | Anthony Metz | 36 | Head | Oil Salesman | Massachusetts |
| 63 | Flora Metz | 29 | Wife | — | Massachusetts |
| 64 | Anthony Jr. Metz | 3 | Son | — | Massachusetts |
| 65 | Mary Casey | 56 | Head | Cafeteria Work | Massachusetts |
| 66 | Joseph Casey | 29 | Son | Manager | Massachusetts |
| 67 | James Casey THIS PERSON | 22 | Son | Meter Reader | Massachusetts |
| 68 | Marie Casey | 20 | Daughter | — | Massachusetts |
| 69 | Lillian Casey | 13 | Daughter | — | Massachusetts |
| 70 | Thomas Salvi | 46 | Head | Grocery Owner | Italy |
| 71 | Fred L. Habrin | 37 | Head | Bartender | Massachusetts |
| 72 | Mary Habrin | 28 | Wife | — | Massachusetts |
| 73 | Fred Jr. Habrin | 5 | Son | — | Massachusetts |
| 74 | Barbara Habrin | 3 | Daughter | — | Massachusetts |
| 75 | Mary Salvi | 65 | Mother-in-law | — | Italy |
| 76 | Alfred Salvi | 26 | Brother-in-law | Truck Driver | Massachusetts |
| 77 | Rose Salvi | 24 | Sister-in-law | Seamstress | New York |
| 78 | Hazel Pike | 65 | Head | — | Canada English |
| 79 | Martha Pike | 57 | Sister | — | Canada English |
| 80 | Mary Pike | 55 | Sister | Clerk | Canada English |
Pedigree Summary
James + 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)