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John Daly — 1940 US Census Record
Model Tree available1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this John Daly across the 1920, 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed), with identified parents John & Catherine — first a son (b.~1917), then head of a 7-person household.
Age 23
b. ~1917
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Daly |
| Given Name | John H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Industry | New Worker |
| Hours Worked | 35 |
| Income (1939) | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Boston City |
| Est. Birth Year | ~1917 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Jean Daly | Daughter | — | 4 | ~1936 |
| Frances Daly | Daughter | — | 17 | ~1923 |
| Catherine Daly | Daughter | — | 25 | ~1915 |
| William Daly | Head | — | 50 | ~1890 |
| John Daly | Son | — | 23 | ~1917 |
| William Daly | Son | — | 19 | ~1921 |
| Ellen Daly | Spouse | — | 47 | ~1893 |
Census Appearances
1920
Suffolk, Massachusetts
Son, age 3
Suffolk, Massachusetts · implied b. ~1917 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Daly |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| 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 13
Suffolk, Massachusetts · implied b. ~1917 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Daly |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Son, age 23
Suffolk-County, Massachusetts · implied b. ~1917 — 7 household members
| Surname | Daly |
| Given Name | John H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Industry | New Worker |
| Hours Worked | 35 |
| Income (1939) | 0 |
| 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 Daly across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Daly (~0.92 confidence) and mother Catherine Daly (~0.92 confidence) and father William Daly (~0.92 confidence) and father William Daly (~0.92 confidence) and mother Ellen Daly (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Daly
b. ~1886
Source father
● Household
· direct · ~0.92
Mother
Catherine Daly
b. ~1889
Source mother
● Household
· direct · ~0.92
Father
William Daly
b. ~1890
Source father
● Household
· direct · ~0.92
Father
William Daly
b. ~1891
Source father
● Household
· direct · ~0.92
Mother
Ellen Daly
b. ~1893
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Daly
Son · 1940 · age 23 · b. ~1917 · Massachusetts
★ You are viewing this record
Sibling
Catherine Daly
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frances Daly
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Daly
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jean Daly
Sibling · 1940 · age 4
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
39 people indexed on this census page (nara:1940:m-t0627-01668-00434)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 2 | Thomas Leonard | 54 | Head | Elevator Operator | Irish Free State |
| 3 | Lena B. Leonard | 45 | Wife | — | Irish Free State |
| 4 | Thomas F. Leonard | 16 | Son | — | Massachusetts |
| 5 | John F. Leonard | 14 | Son | — | Massachusetts |
| 6 | Mary M. Leonard | 13 | Daughter | — | Massachusetts |
| 7 | Lena E. Leonard | 11 | Daughter | — | Massachusetts |
| 8 | Mary E. Smith | 65 | Head | — | Irish Free State |
| 9 | Sadie Smith | 63 | Sister | — | Irish Free State |
| 10 | John J. Smith | 53 | Brother | Plumber | Irish Free State |
| 11 | John Jr. Smith | 23 | Nephew | Clerk, Cashier | Irish Free State |
| 12 | Catherine Smith | 47 | Sister | — | Irish Free State |
| 13 | Joseph Connors | 48 | Head | Clerk, Cashier | Massachusetts |
| 14 | Katherine G. Connors | 50 | Wife | — | Massachusetts |
| 15 | Henry Travers | 41 | Head | Knitter | Irish Free State |
| 16 | Mary B. Travers | 39 | Wife | — | Irish Free State |
| 17 | Margaret Travers | 7 | Daughter | — | Massachusetts |
| 18 | John Travers | 6 | Son | — | Massachusetts |
| 19 | Thomas Travers | 3 | Son | — | Massachusetts |
| 20 | Henry Jr. Travers | 2 | Son | — | Massachusetts |
| 21 | Michael J. Donnelly | 37 | Brother-in-law | Plumber | Irish Free State |
| 22 | Ellen Mckenna | 78 | Head | — | Irish Free State |
| 23 | Fred Mckenna | 48 | Son | Chauffeur | Massachusetts |
| 24 | Mary Mckenna | 38 | Daughter | Secretary | Massachusetts |
| 25 | William H. Daly | 50 | Head | Shofer | Massachusetts |
| 26 | Ellen M. Daly | 47 | Wife | — | Massachusetts |
| 27 | Catherine Daly | 25 | Daughter | Bookkeeper | Massachusetts |
| 28 | John H. Daly THIS PERSON | 23 | Son | — | Massachusetts |
| 29 | William R. Daly | 19 | Son | — | Massachusetts |
| 30 | Frances Daly | 17 | Daughter | — | Massachusetts |
| 31 | Jean Daly | 4 | Daughter | — | Massachusetts |
| 32 | Michael Callanan | 50 | Head | Shipper | Massachusetts |
| 33 | Margaret Callanan | 49 | Wife | — | Massachusetts |
| 34 | Joseph Callanan | 24 | Son | Salesman | Massachusetts |
| 35 | Helen Callanan | 21 | Daughter | Checker | Massachusetts |
| 36 | Margaret V. Callanan | 19 | Daughter | Clerical | Massachusetts |
| 37 | John Callanan | 15 | Son | — | Massachusetts |
| 38 | Paul Callanan | 14 | Son | — | Massachusetts |
| 39 | James Callanan | 12 | Son | — | Massachusetts |
| 40 | Patricia Callanan | 11 | Daughter | — | Massachusetts |
Pedigree Summary
John + 4 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)