JW
John Walsh — 1940 US Census Record
Model Tree available1940 United States Federal Census · Mercer-County, New Jersey
Our Model Tree links this John Walsh across the 1920, 1930 and 1940 US Censuses in Mercer-County, New Jersey (XGBoost, ~Confirmed), with identified parents Richard & Richard — first a son (b.~1904), then head of a 6-person household.
Age 36
b. ~1904
Male
Son
Born: New Jersey
Divorced
1940 Census Record Details
| Census Year | 1940 |
| Location | Mercer-County, New Jersey |
| Surname | Walsh |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Divorced |
| Birthplace | New Jersey |
| 1935 Residence (City) | Trenton City |
| 1935 Residence (County) | Mercer |
| Additional Details | |
| Occupation | Carpenter |
| Industry | Bldg. Const. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 420 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Carpenter |
| Township / Ward | Trenton City |
| Est. Birth Year | ~1904 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Mildred Burks | Daughter | — | 25 | ~1915 |
| Lillian Walsh | Daughter | — | 38 | ~1902 |
| Richard Walsh | Head | — | 72 | ~1868 |
| Leslie Burks | Other | — | 27 | ~1913 |
| John Walsh | Son | — | 36 | ~1904 |
| Richard Walsh | Son | — | 31 | ~1909 |
Census Appearances
1920
Mercer, New …
Son, age 16
Mercer, New Jersey · implied b. ~1904 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Walsh |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | Scotland |
| Occupation | Apprentice |
| Industry | Pattern works |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Mercer, New …
Son, age 26
Mercer, New Jersey · implied b. ~1904 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Walsh |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | Scotland |
| Occupation | Carpenter |
| Industry | Building Trades |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Mercer-County, New …
Son, age 36
Mercer-County, New Jersey · implied b. ~1904 — 6 household members
| Surname | Walsh |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Divorced |
| Birthplace | New Jersey |
| 1935 Residence (City) | Trenton City |
| 1935 Residence (County) | Mercer |
| Occupation | Carpenter |
| Industry | Bldg. Const. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 420 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
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 Walsh across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Richard Walsh (~0.92 confidence) and father Richard Walsh (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Richard Walsh
b. ~1868
Source father
● Household
· direct · ~0.92
Father
Richard Walsh
b. ~1868
Source father
● Household
· direct · ~0.92
This person
Anchor record
John Walsh
Son · 1940 · age 36 · b. ~1904 · New Jersey
★ You are viewing this record
Sibling
Mildred Burks
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Walsh
Sibling · 1940 · age 31
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lillian Walsh
Sibling · 1940 · age 38
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 — Mercer-County, New Jersey
Open full size
1940 US Federal Census — Mercer-County, New Jersey
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02436-00483)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Joseph P Cantwell | 18 | Son | — | New Jersey |
| 42 | Mary A Carroll | 74 | Head | — | England |
| 43 | Ellen M Carroll | 71 | Sister | — | England |
| 44 | Charles B Durr | 62 | Head | Clerk | New Jersey |
| 45 | Ann Durr | 57 | Wife | — | New Jersey |
| 46 | Eleanor Durr | 34 | Daughter | Clerk | New Jersey |
| 47 | Margaret Durr | 58 | Sister in law | Beautician | New Jersey |
| 48 | Harry E Blackmon | 56 | Head | Florist | New Jersey |
| 49 | Charlotte Blackmon | 56 | Wife | — | New Jersey |
| 50 | Harry Blackmon | 18 | Son | Laborer | Kentucky |
| 51 | William Blackmon | 27 | Son | Laborer | New Jersey |
| 52 | Catherine Blackmon | 27 | Daughter in law | — | New Jersey |
| 53 | William Blackmon | 2 | Grand son | — | New Jersey |
| 54 | Charlotte Blackmon | 12 | Daughter | — | New Jersey |
| 55 | Edward R Murphy | 44 | Head | Merchant | New Jersey |
| 56 | Stella Murphy | 34 | Wife | Secretary | Pennsylvania |
| 57 | Edward J. Harney | 44 | Head | Kilnman | New Jersey |
| 58 | Helen E Harney | 43 | Wife | — | Massachusetts |
| 59 | Helen Harney | 19 | Daughter | New Worker | New Jersey |
| 60 | Edward J. Jr. Harney | 14 | Son | — | New Jersey |
| 61 | Walter F Buckley | 45 | Head | Research | New York |
| 62 | Marietta Buckley | 43 | Wife | — | New Jersey |
| 63 | Allen Walsh | 30 | Cousin | Clerk | New Jersey |
| 64 | Richard Walsh | 72 | Head | Supt Of Sewers | New Jersey |
| 65 | Lillian Walsh | 38 | Daughter | Nurse | New Jersey |
| 66 | Richard Jr. Walsh | 31 | Son | Salesman | New Jersey |
| 67 | John Walsh THIS PERSON | 36 | Son | Carpenter | New Jersey |
| 68 | Leslie Burks | 27 | Son in Law | Superv. Of Rents | New Jersey |
| 69 | Mildred Burks | 25 | Daughter | — | New Jersey |
| 70 | Vincent Tohill | 36 | Head | Salesman | New Jersey |
| 71 | Margaret Tohill | 38 | Wife | — | New Jersey |
| 72 | Vincent J Tohill | 12 | Son | — | New Jersey |
| 73 | Margaret Tohill | 11 | Daughter | — | New Jersey |
| 74 | John Tohill | 9 | Son | — | New Jersey |
| 75 | James Tohill | 8 | Son | — | New Jersey |
| 76 | Margaret Ashmore | 66 | Mother in law | — | Pennsylvania |
| 77 | Peter Kudrick | 36 | Head | Heater | Pennsylvania |
| 78 | Mary Kudrick | 34 | Wife | — | Pennsylvania |
| 79 | Raymond Kudrick | 12 | Son | — | New Jersey |
| 80 | Richard Kudrick | 7 | Son | — | New Jersey |
Related Census Records
Pedigree Summary
John + 3 siblings
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)