JD
John Daley — 1940 US Census Record
Model Tree available1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this John Daley across the 1920, 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Bernard & Mary — first a head (b.~1900), then head of a 4-person household.
Age 40
b. ~1900
Male
Head
Born: Massachusetts
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Daley |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Occupation | Mechanic |
| Industry | Telephone |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 2800 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Mechanic |
| Township / Ward | Boston City |
| Est. Birth Year | ~1900 |
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 |
|---|---|---|---|---|
| Mrs Daley | Spouse | — | 35 | ~1905 |
| Mrs O'Connor | Other | — | 72 | ~1868 |
| Mary Daley | Daughter | — | 5 | ~1935 |
| John Daley | Head | — | 40 | ~1900 |
Census Appearances
1920
Suffolk, Massachusetts
Son, age 22
Suffolk, Massachusetts · implied b. ~1898 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Daly |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
Head, age 31
Suffolk, Massachusetts · implied b. ~1899 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Daly |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Age at First Marriage | 26 |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 40 |
| Radio Set | R |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Head, age 40
Suffolk-County, Massachusetts · implied b. ~1900 — 4 household members
| Surname | Daley |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Occupation | Mechanic |
| Industry | Telephone |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 2800 |
| 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 John Daley across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Bernard Daly (~0.92 confidence) and mother Mary Daly (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Bernard Daly
b. ~1858
Source father
● Household
· direct · ~0.92
Mother
Mary Daly
b. ~1860
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Daley
Head · 1940 · age 40 · b. ~1900 · 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-t0627-01682-00503)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mary Sullivan | 16 | Daughter | — | Massachusetts |
| 42 | John Mills | 63 | Head | Supervisor | Massachusetts |
| 43 | Julia Mills | 61 | Wife | Salesman | Massachusetts |
| 44 | John Jr. Mills | 26 | Son | Salesman | Massachusetts |
| 45 | Catherine O'Toole | 31 | Head | Music Teacher | Massachusetts |
| 46 | Elizabeth O'Toole | 28 | Sister | Teacher | Massachusetts |
| 47 | Mary O'Toole | 22 | Sister | — | Massachusetts |
| 48 | William O'Toole | 30 | Brother | Teacher | Massachusetts |
| 49 | Mrs. Ann O'Toole | 59 | Mother | — | Ireland |
| 50 | Michael Loughlin | 53 | Head | Court Officer | Massachusetts |
| 51 | Mrs. Catherine Loughlin | 55 | Wife | — | Massachusetts |
| 52 | Mrs. Agnes James | 62 | Head | — | Massachusetts |
| 53 | Mary James | 26 | Daughter | Sub Teacher | Massachusetts |
| 54 | Grace James | 23 | Daughter | Sub Teacher | Massachusetts |
| 55 | Gertrude Colleary | 62 | Lodger | Nurse | Massachusetts |
| 56 | John J. Paget | 63 | Head | Builder | Massachusetts |
| 57 | Mary E. Paget | 52 | Wife | — | Massachusetts |
| 58 | John F. Paget | 25 | Son | — | Massachusetts |
| 59 | Robert Paget | 19 | Son | New Worker | Massachusetts |
| 60 | Paul Paget | 17 | Son | — | Massachusetts |
| 61 | Mary G. Paget | 22 | Daughter | — | Massachusetts |
| 62 | Elizabeth Paget | 16 | Daughter | — | Massachusetts |
| 63 | Theresa Paget | 13 | Daughter | — | Massachusetts |
| 64 | John Daley THIS PERSON | 40 | Head | Mechanic | Massachusetts |
| 65 | Mrs. Catherine Daley | 35 | Wife | — | Massachusetts |
| 66 | Mary Daley | 5 | Daughter | — | Massachusetts |
| 67 | Mrs. Katherine O'Connor | 72 | Mother-in-law | — | Massachusetts |
| 68 | Edward O'Dowd | 60 | Head | Stenographer | Massachusetts |
| 69 | Mrs. Margaret O'Dowd | 58 | Wife | — | Massachusetts |
| 70 | Margaret O'Dowd | 13 | Daughter | — | Massachusetts |
| 71 | George Van Etten | 52 | Head | Foreman | Massachusetts |
| 72 | Mrs. Helen Van Etten | 58 | Wife | — | Massachusetts |
| 73 | Gertrude Casey | 15 | Lodger | — | Massachusetts |
| 74 | John J. Harvey | 64 | Head | U.S. Marshal | Massachusetts |
| 75 | Mrs. Caroline Harvey | 50 | Wife | — | Massachusetts |
| 76 | John Harvey | 14 | Son | — | Massachusetts |
| 77 | James Harvey | 12 | Son | — | Massachusetts |
| 78 | Ann E. Silva | 73 | Aunt | Matron | Massachusetts |
| 79 | William Inane | 63 | Head | Postman | Ireland |
| 80 | Mrs. Annie Inane | 60 | Wife | — | Ireland |
Related Census Records
Pedigree Summary
John
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)