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Joseph Sweeney — 1940 US Census Record
Model Tree available1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Joseph Sweeney across the 1910, 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents John & Mark — first a head (b.~1905), then head of a 5-person household.
Age 35
b. ~1905
Male
Head
Born: Massachusetts
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Sweeney |
| Given Name | Joseph F. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Medford City |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Occupation | lock drawer |
| Industry | state |
| Class of Worker | GW |
| Hours Worked | 48 |
| Income (1939) | 1800 |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Lock Drawer |
| Township / Ward | Medford City |
| Est. Birth Year | ~1905 |
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 Joseph | Age | Birth yr |
|---|---|---|---|---|
| Joseph Sweeney | Head | — | 35 | ~1905 |
| Catherine Sweeney | Spouse | — | 35 | ~1905 |
| Eleanor Sweeney | Daughter | — | 1 | ~1939 |
| Paul Sweeney | Son | — | 5 | ~1935 |
| Frederick Sweeney | Son | — | 6 | ~1934 |
Census Appearances
1910
Middlesex, Massachusetts
Son, age 4
Middlesex, Massachusetts · implied b. ~1906 — 13 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sweeney |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1920
Middlesex, Massachusetts
Son, age 13
Middlesex, Massachusetts · implied b. ~1907 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sweeney |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Canada |
| Mother's Birthplace | Massachusetts |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Son, age 24
Middlesex, Massachusetts · implied b. ~1906 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sweeney |
| Given Name | Joseph F |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | England |
| Mother's Birthplace | Massachusetts |
| Occupation | bridge tender |
| Industry | U S Gov't |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Head, age 35
Middlesex-County, Massachusetts · implied b. ~1905 — 5 household members
| Surname | Sweeney |
| Given Name | Joseph F. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Medford City |
| 1935 Residence (County) | Middlesex |
| Occupation | lock drawer |
| Industry | state |
| Class of Worker | GW |
| Hours Worked | 48 |
| Income (1939) | 1800 |
| Highest Grade | No 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 Joseph Sweeney across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Sweeney (~0.92 confidence) and father Mark Sweeney (~0.92 confidence) and mother Elizabeth Sweeney (~0.92 confidence) and mother Mary Sweeney (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Sweeney
b. ~1875
Source father
● Household
· direct · ~0.92
Father
Mark Sweeney
b. ~1879
Source father
● Household
· direct · ~0.92
Mother
Elizabeth Sweeney
b. ~1879
Source mother
● Household
· direct · ~0.92
Mother
Mary Sweeney
b. ~1868
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Joseph Sweeney
Head · 1940 · age 35 · b. ~1905 · 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 — 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-t0627-01612-00809)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary C. Rogers | 5 | Daughter | — | Massachusetts |
| 2 | Richard Rogers | 2 | Son | — | Massachusetts |
| 3 | John Urbano | 56 | Head | Baker | Jugoslavia |
| 4 | Julia Urbano | 48 | Wife | — | Italy |
| 5 | John Urbano | 17 | Son | Clerk | Massachusetts |
| 6 | Elizabeth Urbano | 15 | Daughter | — | Massachusetts |
| 7 | Anna Urbano | 14 | Daughter | — | Massachusetts |
| 8 | Anita Urbano | 13 | Daughter | — | Massachusetts |
| 9 | Irene Urbano | 10 | Daughter | — | Massachusetts |
| 10 | Almida Frati | 72 | Mother-in-law | — | Italy |
| 11 | Joseph F. Sweeney THIS PERSON | 35 | Head | Lock Drawer | Massachusetts |
| 12 | Catherine Sweeney | 35 | Wife | — | Massachusetts |
| 13 | Frederick Sweeney | 6 | Son | — | Massachusetts |
| 14 | Paul Sweeney | 5 | Son | — | Massachusetts |
| 15 | Eleanor M. Sweeney | 1 | Daughter | — | Massachusetts |
| 16 | Wylie Smith | 43 | Head | Salesman | Eng. Canada |
| 17 | Bessie Smith | 38 | Wife | — | Massachusetts |
| 18 | Lloyd Smith | 14 | Son | — | Massachusetts |
| 19 | George Smith | 1 | Son | — | Massachusetts |
| 20 | Albert Miller | 58 | Head | Watchman | Canada |
| 21 | Emma Miller | 58 | Wife | — | Massachusetts |
| 22 | Albert Miller | 30 | Son | Machinist | Massachusetts |
| 23 | Jeremiah Leonard | 59 | Head | Truck Driver | Ireland |
| 24 | Margaret M. Leonard | 59 | Wife | — | Ireland |
| 25 | Mary Leonard | 28 | Daughter | Clerical | Massachusetts |
| 26 | John Leonard | 23 | Son | Clerk | Massachusetts |
| 27 | Dorothy Leonard | 19 | Daughter | Clerical | Massachusetts |
| 28 | Cecelia Leonard | 17 | Daughter | — | Massachusetts |
| 29 | Francis Hamilton | 40 | Head | Janitor | Massachusetts |
| 30 | Ruth Hamilton | 41 | Wife | — | Massachusetts |
| 31 | Marion Hamilton | 10 | Daughter | — | Massachusetts |
| 32 | Hamilton | None | — | — | — |
| 33 | Hamilton | None | — | — | — |
| 34 | Harry Van Greshoven | 31 | Head | Labor Chauffer | Massachusetts |
| 35 | Margaret Van Greshoven | 31 | Wife | — | Massachusetts |
| 36 | Nicholas P. Drummery | 69 | Father-in-law | Steam Fitter | Ireland |
| 37 | Mary A. Drummery | 65 | Mother-in-law | — | Ireland |
| 38 | James L. Drummery | 37 | Brother-in-law | Laborer | Massachusetts |
| 39 | Nicholas J. Drummery | 30 | Brother-in-law | Steam Fitter | Massachusetts |
| 40 | Lucius L. Woodman | 62 | Head | Chief Clerk | Massachusetts |
Pedigree Summary
Joseph
Gen 1 · 4 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)