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John Sweeney — 1940 US Census Record
Model Tree available1940 United States Federal Census · Montgomery-County, Pennsylvania
Our Model Tree links this John Sweeney across the 1920, 1930 and 1940 US Censuses in Montgomery-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Patrick & Ellen — first a head (b.~1909), then head of a 7-person household.
Age 31
b. ~1909
Male
Head
Born: Scotland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Montgomery-County, Pennsylvania |
| Surname | Sweeney |
| Given Name | John A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Ardmore |
| 1935 Residence (County) | Montgomery |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | policeman |
| Industry | county home |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 1800 |
| Highest Grade | 8 |
| 1935 Residence | Pennsylvania |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
| Occupation | Policeman |
| Township / Ward | Royersford |
| Est. Birth Year | ~1909 |
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 |
|---|---|---|---|---|
| Regina Sweeney | Daughter | — | 6 | ~1934 |
| Mary Sweeney | Daughter | — | 3 | ~1937 |
| Helen Sweeney | Daughter | — | 7 | ~1933 |
| John Sweeney | Head | — | 31 | ~1909 |
| Francis Mcgovern | Other | — | 45 | ~1895 |
| John Sweeney | Son | — | 9 | ~1931 |
| Bridget Sweeney | Spouse | — | 35 | ~1905 |
Census Appearances
1920
Montgomery, Pennsylvania
Son, age 11
Montgomery, Pennsylvania · implied b. ~1909 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sweeney |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Scotland |
| Year of Immigration | 1910 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1930
Montgomery, Pennsylvania
Head, age 22
Montgomery, Pennsylvania · implied b. ~1908 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sweeney |
| Given Name | John E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Married |
| Birthplace | Scotland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1910 |
| Age at First Marriage | 22 |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Occupation | Policeman |
| Industry | Lower Merion Twp |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Home Value / Rent | 55.00 |
| Radio Set | R |
| Veteran | No |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1940
Montgomery-County, Pennsylvania
Head, age 31
Montgomery-County, Pennsylvania · implied b. ~1909 — 7 household members
| Surname | Sweeney |
| Given Name | John A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Ardmore |
| 1935 Residence (County) | Montgomery |
| Naturalization Status | Naturalized |
| Occupation | policeman |
| Industry | county home |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 1800 |
| Highest Grade | 8 |
| 1935 Residence | Pennsylvania |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
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 Sweeney across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Patrick Sweeney (~0.92 confidence) and mother Ellen Sweeney (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Patrick Sweeney
b. ~1877
Source father
● Household
· direct · ~0.92
Mother
Ellen Sweeney
b. ~1879
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Sweeney
Head · 1940 · age 31 · b. ~1909 · Pennsylvania
★ 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 — Montgomery-County, Pennsylvania
Open full size
1940 US Federal Census — Montgomery-County, Pennsylvania
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-03584-00147)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Gertrude E. Fetterolf | 2 | daughter | — | Pennsylvania |
| 2 | Salmagne M. Moyer | 55 | Head | Conductor | Pennsylvania |
| 3 | Geneva D. Moyer | 37 | wife | — | Pennsylvania |
| 4 | Meredith N. Bailey | 59 | Head | Asst. Mgr. | New Jersey |
| 5 | Linda R. Bailey | 53 | wife | — | Pennsylvania |
| 6 | Robert R. Koch | 29 | son-in-law | Production | Pennsylvania |
| 7 | Mary B. Koch | 30 | daughter | — | Pennsylvania |
| 8 | John A. Sweeney THIS PERSON | 31 | Head | Policeman | Scotland |
| 9 | Bridget A. Sweeney | 35 | wife | — | Ireland F.S. |
| 10 | John P. Sweeney | 9 | son | — | Pennsylvania |
| 11 | Helen N. Sweeney | 7 | daughter | — | Pennsylvania |
| 12 | Regina K. Sweeney | 6 | daughter | — | Pennsylvania |
| 13 | Mary B. Sweeney | 3 | daughter | — | Pennsylvania |
| 14 | Francis Mcgovern | 45 | brother-in-law | — | Ireland F.S. |
| 15 | Justic M. Staffert | 53 | Head | Truck Driver | Pennsylvania |
| 16 | Emma L. Staffert | 52 | wife | — | Pennsylvania |
| 17 | Joseph W. Staffert | 31 | son | Knitter | Pennsylvania |
| 18 | Harrison D. Goodman | 51 | Head | Wholesale Man | Pennsylvania |
| 19 | Bessie S. Goodman | 52 | wife | — | Pennsylvania |
| 20 | William H. Snyder | 22 | Head | Laborer | Pennsylvania |
| 21 | Helen W. Snyder | 16 | wife | — | Pennsylvania |
| 22 | Charles Dilks | 51 | Head | Nite Watchman | New Jersey |
| 23 | Bertha E. Dilks | 48 | wife | — | Pennsylvania |
| 24 | David H.S. Dilks | 14 | son | — | Pennsylvania |
| 25 | Robert A. Brownback | 16 | lodger | — | Pennsylvania |
| 26 | Ada B. Rogers | 48 | Head | — | Pennsylvania |
| 27 | Ralph H. Landes | 46 | Head | Foreman | Pennsylvania |
| 28 | Evelyn M. Landes | 41 | wife | — | Pennsylvania |
| 29 | David A. Landes | 8 | son | — | Pennsylvania |
| 30 | Thelma R. Itils | 21 | foster daughter | Mender | Virginia |
| 31 | William P. Itils | 14 | foster son | — | Pennsylvania |
| 32 | Benjamin F. Fry | 34 | Head | News Agent | Pennsylvania |
| 33 | Sarah H. Fry | 33 | wife | — | Pennsylvania |
| 34 | Caroline L. Fry | 7 | daughter | — | Pennsylvania |
| 35 | Benjamin F. Fry | 1 | son | — | Pennsylvania |
| 36 | William F. Bottger | 46 | Head | Knitter | Germany |
| 37 | Katherine Bottger | 38 | wife | — | Germany |
| 38 | Eleanor K. Bottger | 15 | daughter | — | Pennsylvania |
| 39 | William Bottger | 6 | son | — | Pennsylvania |
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)