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John Casey — 1940 US Census Record
Model Tree available1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this John Casey across the 1920, 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Catherine & Bridget — first a head (b.~1890), then head of a 4-person household.
Age 50
b. ~1890
Male
Head
Born: Massachusetts
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Casey |
| Given Name | John H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Occupation | Clerk |
| Industry | Court |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 4500 |
| Highest Grade | Hs 4 |
| 1935 Residence | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Clerk |
| Township / Ward | Boston |
| Est. Birth Year | ~1890 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Helena Casey | Daughter | — | 4 | ~1936 |
| John Casey | Head | — | 50 | ~1890 |
| George Casey | Son | — | 2 | ~1938 |
| Mary Casey | Spouse | — | 37 | ~1903 |
Census Appearances
1920
Suffolk, Massachusetts
Son, age 28
Suffolk, Massachusetts · implied b. ~1892 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Casey |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Suffolk, Massachusetts
Son, age 40
Suffolk, Massachusetts · implied b. ~1890 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Casey |
| Given Name | John H |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Attorney at Law |
| Industry | W |
| Class of Worker | 39 |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Head, age 50
Suffolk-County, Massachusetts · implied b. ~1890 — 4 household members
| Surname | Casey |
| Given Name | John H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Occupation | Clerk |
| Industry | Court |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 4500 |
| Highest Grade | Hs 4 |
| 1935 Residence | Massachusetts |
| 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 John Casey across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Catherine Casey (~0.92 confidence) and mother Bridget Casey (~0.92 confidence) and father Timothy Casey (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Catherine Casey
b. ~1862
Source mother
● Household
· direct · ~0.92
Mother
Bridget Casey
b. ~1863
Source mother
● Household
· direct · ~0.92
Father
Timothy Casey
b. ~1864
Source father
● Household
· direct · ~0.92
This person
Anchor record
John Casey
Head · 1940 · age 50 · b. ~1890 · Massachusetts
★ 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 — 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-t0627-01679-00151)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Josephine Howard | 57 | Wife | — | Massachusetts |
| 42 | Elmer H. Harrington | 31 | Son-in-law | Engineer | Massachusetts |
| 43 | Herbert S. Halboon | 71 | Head | Guard | Massachusetts |
| 44 | Mary E. Halboon | 52 | Wife | — | Massachusetts |
| 45 | Leo Halboon | 16 | Son | — | Massachusetts |
| 46 | John F. Halboon | 54 | Brother | Cashier | Massachusetts |
| 47 | Joseph H. Conlon | 47 | Head | Cashier | West Virginia |
| 48 | Loretta Conlon | 42 | Wife | — | New York |
| 49 | Thomas Conlon | 13 | Son | — | New York |
| 50 | William Conlon | 5 | Son | — | New York |
| 51 | John Coenan | 70 | Head | Cabinet Maker | Germany |
| 52 | Annie Coenan | 70 | Wife | — | Germany |
| 53 | Jacob Coenan | 35 | Son | Copywriter | England |
| 54 | Mary Lynch | 65 | Head | — | Massachusetts |
| 55 | Mary E. Lynch | 39 | Daughter | Secretary | Massachusetts |
| 56 | Thomas Lynch | 37 | Son | Plumber | Massachusetts |
| 57 | Henry J. Bettenhafer | 43 | Head | Salesman | New York |
| 58 | Theresa Bettenhafer | 43 | Wife | — | New York |
| 59 | Edith Bettenhafer | 22 | Daughter | Nurse (Trained) | New York |
| 60 | George H. Bettenhafer | 20 | Son | Salesman | New York |
| 61 | Daniel Sullivan | 40 | Head | Truckman | Massachusetts |
| 62 | Mary Sullivan | 40 | Wife | — | Massachusetts |
| 63 | Daniel Jr. Sullivan | 13 | Son | — | Massachusetts |
| 64 | Eileen Sullivan | 11 | Daughter | — | Massachusetts |
| 65 | Paul Sullivan | 9 | Son | — | Massachusetts |
| 66 | John P. Lynch | 69 | Head | Telegrapher | Pennsylvania |
| 67 | Johanna Lynch | 65 | Wife | — | Pennsylvania |
| 68 | Clair Nellie Lynch | 58 | Daughter | — | Pennsylvania |
| 69 | Sarah Hurley | 75 | Head | — | Massachusetts |
| 70 | Blanche Hurley | 43 | Daughter | Teacher | Massachusetts |
| 71 | Michael Martin | 59 | Head | Salesman | United States |
| 72 | Julia Martin | 52 | Wife | — | New York |
| 73 | William F. Martin | 26 | Son | Operator | Massachusetts |
| 74 | Anne Martin | 5 | Daughter | — | Massachusetts |
| 75 | Annie A. Maguire | 75 | Head | — | Massachusetts |
| 76 | Jennie Carr | 50 | Maid | Maid | Virginia |
| 77 | John H. Casey THIS PERSON | 50 | Head | Clerk | Massachusetts |
| 78 | Mary E. Casey | 37 | Wife | — | Massachusetts |
| 79 | Helena Casey | 4 | Daughter | — | Massachusetts |
| 80 | George W. Casey | 2 | Son | — | Massachusetts |
Pedigree Summary
John
Gen 1 · 3 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)