JB
John Buckley — 1940 US Census Record
Model Tree available1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this John Buckley across the 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents John & Rose — first a son (b.~1916), then head of a 9-person household.
Age 24
b. ~1916
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Buckley |
| Given Name | John W. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Lowell |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Occupation | Shipping Clerk |
| Industry | WPA Project |
| Class of Worker | GW |
| Hours Worked | 20 |
| Income (1939) | 452 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Shipping Clerk |
| Township / Ward | Lowell |
| Est. Birth Year | ~1916 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Helen Buckley | Daughter | — | 22 | ~1918 |
| John Buckley | Head | — | 43 | ~1897 |
| Francis Buckley | Son | — | 23 | ~1917 |
| Edward Buckley | Son | — | 13 | ~1927 |
| Rose Buckley | Son | — | 9 | ~1931 |
| Barbara Buckley | Son | — | 11 | ~1929 |
| George Buckley | Son | — | 20 | ~1920 |
| John Buckley | Son | — | 24 | ~1916 |
| Rose Buckley | Spouse | — | 45 | ~1895 |
Census Appearances
1920
Middlesex, Massachusetts
Son, age 4
Middlesex, Massachusetts · implied b. ~1916 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Buckley |
| Given Name | John W. Jr. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Ireland |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Son, age 14
Middlesex, Massachusetts · implied b. ~1916 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Buckley |
| Given Name | John W. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Free State Ireland |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Son, age 24
Middlesex-County, Massachusetts · implied b. ~1916 — 9 household members
| Surname | Buckley |
| Given Name | John W. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Lowell |
| 1935 Residence (County) | Middlesex |
| Occupation | Shipping Clerk |
| Industry | WPA Project |
| Class of Worker | GW |
| Hours Worked | 20 |
| Income (1939) | 452 |
| Highest Grade | No 8 |
| 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 Buckley across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Buckley (~0.92 confidence) and mother Rose Buckley (~0.92 confidence) and mother Rose Buckley (~0.92 confidence) and father John Buckley (~0.92 confidence) and father John Buckley (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Buckley
b. ~1888
Source father
● Household
· direct · ~0.92
Mother
Rose Buckley
b. ~1889
Source mother
● Household
· direct · ~0.92
Mother
Rose Buckley
b. ~1895
Source mother
● Household
· direct · ~0.92
Father
John Buckley
b. ~1897
Source father
● Household
· direct · ~0.92
Father
John Buckley
b. ~1897
Source father
● Household
· direct · ~0.92
This person
Anchor record
John Buckley
Son · 1940 · age 24 · b. ~1916 · Massachusetts
★ You are viewing this record
Sibling
Rose Buckley
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Barbara Buckley
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Buckley
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Buckley
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Buckley
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Buckley
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 — Middlesex-County, Massachusetts
Open full size
1940 US Federal Census — Middlesex-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01691-00028)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Robert B. Robson | 69 | Head | — | Canada |
| 2 | Patrick Kelley | 47 | Head | Card Room Finis | New Hampshire |
| 3 | Natalie Kelley | 50 | Wife | — | Massachusetts |
| 4 | Maria Esposito | 70 | Head | — | Massachusetts |
| 5 | Margaret Esposito | 36 | Daughter | — | Massachusetts |
| 6 | June Esposito | 11 | Granddaughter | — | Massachusetts |
| 7 | Geraldine Esposito | 4 | Granddaughter | — | Massachusetts |
| 8 | Albina Mertens | 62 | Head | Candy Clerk | Massachusetts |
| 9 | Frances Gantry | 31 | Daughter | O. Clerk | Massachusetts |
| 10 | John Gantry | 24 | Daughter | — | Massachusetts |
| 11 | Annie F. Collins | 77 | Head | — | England |
| 12 | George C. Fairburn | 44 | Son | Butcher | Massachusetts |
| 13 | Edward Woodward | 71 | Head | — | England |
| 14 | Cora Woodward | 67 | Wife | Practical Nurse | Canada |
| 15 | Thomas H. Kennedy | 66 | Head | — | Massachusetts |
| 16 | Cecelia M. Kennedy | 63 | Wife | Amusement Worker | Vermont |
| 17 | Lester G. Dealy | 55 | Head | Carpenter | Massachusetts |
| 18 | Frank Dealy | 28 | Son | Credit Clerk | Canada English |
| 19 | Norine Dealy | 22 | Daughter | Billing Clerk | Canada English |
| 20 | William Dealy | 20 | Son | Clerk Sales | Canada English |
| 21 | Frank Q. Fournelle | 39 | Head | Corduroy Cutter | Massachusetts |
| 22 | Lena Fournelle | 30 | Wife | — | Massachusetts |
| 23 | Francis Fournelle | 5 | Son | Presser | Massachusetts |
| 24 | John W. Buckley | 43 | Head | Woolen Spinner | Massachusetts |
| 25 | Rose E. Buckley | 45 | Wife | — | Eire |
| 26 | John W. Jr. Buckley THIS PERSON | 24 | Son | Shipping Clerk | Massachusetts |
| 27 | Helen Buckley | 22 | Daughter | Attendant | Massachusetts |
| 28 | Francis Buckley | 23 | Son | Laborer | Massachusetts |
| 29 | George Buckley | 20 | Son | Drier Tender | Massachusetts |
| 30 | Edward Buckley | 13 | Son | — | Massachusetts |
| 31 | Barbara Buckley | 11 | Son | — | Massachusetts |
| 32 | Rose M. Buckley | 9 | Son | — | Massachusetts |
| 33 | William J. King | 55 | Head | — | Massachusetts |
| 34 | Mary E. King | 46 | Wife | — | Massachusetts |
| 35 | William J. Jr. King | 25 | Son | Dept. Manager | Massachusetts |
| 36 | Anne Fay King | 23 | Daughter | Sales Lady | Massachusetts |
| 37 | Agnes King | 18 | Daughter | — | Massachusetts |
| 38 | Kathleen King | 16 | Daughter | — | Massachusetts |
| 39 | Mary King | 14 | Daughter | — | Massachusetts |
| 40 | John King | 12 | Son | — | Massachusetts |
Pedigree Summary
John + 6 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)