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Thomas Walsh — 1940 US Census Record
Model Tree available1940 United States Federal Census · Mercer-County, New Jersey
Our Model Tree links this Thomas Walsh across the 1920, 1930 and 1940 US Censuses in Mercer-County, New Jersey (XGBoost, ~Confirmed), with identified parents Michael & Margaret — first a son (b.~1917), then head of a 8-person household.
Age 23
b. ~1917
Male
Son
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Mercer-County, New Jersey |
| Surname | Walsh |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Trenton City |
| 1935 Residence (County) | Mercer |
| Additional Details | |
| Occupation | Bookkeeper |
| Industry | Retail Milk-Business |
| Class of Worker | PW |
| Hours Worked | 72 |
| Income (1939) | 210 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Bookkeeper |
| Township / Ward | Trenton 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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Thomas | Age | Birth yr |
|---|---|---|---|---|
| Margaret Walsh | Daughter | — | 27 | ~1913 |
| Michael Walsh | Head | — | 59 | ~1881 |
| Kathleen Walsh | Other | — | 1 | ~1939 |
| Jennie Walsh | Other | — | 22 | ~1918 |
| Joseph Walsh | Son | — | 19 | ~1921 |
| William Walsh | Son | — | 17 | ~1923 |
| Thomas Walsh | Son | — | 23 | ~1917 |
| Margaret Walsh | Spouse | — | 57 | ~1883 |
Census Appearances
1920
Mercer, New …
Son, age 1
Mercer, New Jersey · implied b. ~1919 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Welsh |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | none |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Mercer, New …
Son, age 12
Mercer, New Jersey · implied b. ~1918 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Walsh |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Mercer-County, New …
Son, age 23
Mercer-County, New Jersey · implied b. ~1917 — 8 household members
| Surname | Walsh |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Trenton City |
| 1935 Residence (County) | Mercer |
| Occupation | Bookkeeper |
| Industry | Retail Milk-Business |
| Class of Worker | PW |
| Hours Worked | 72 |
| Income (1939) | 210 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| 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 Thomas Walsh across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Michael Walsh (~0.92 confidence) and mother Margaret Walsh (~0.92 confidence) and mother Margaret Welsh (~0.92 confidence) and father Michael Welsh (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Michael Walsh
b. ~1881
Source father
● Household
· direct · ~0.92
Mother
Margaret Walsh
b. ~1883
Source mother
● Household
· direct · ~0.92
Mother
Margaret Welsh
b. ~1890
Source mother
● Household
· direct · ~0.92
Father
Michael Welsh
b. ~1892
Source father
● Household
· direct · ~0.92
This person
Anchor record
Thomas Walsh
Son · 1940 · age 23 · b. ~1917 · New Jersey
★ You are viewing this record
Sibling
Margaret Walsh
Sibling · 1940 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Walsh
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Walsh
Sibling · 1940 · age 17
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-t0627-02435-00789)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Steward Fulton | 72 | Mother-in-law | — | New York |
| 2 | Martin M Esen | 69 | Head | Garage Attendant | Irish-Free States |
| 3 | Mary M Esen | 74 | Wife | — | Irish-Free States |
| 4 | Joseph Beckett | 47 | Head | — | Scotland |
| 5 | Ellen Beckett | 44 | Wife | — | Northern Ireland |
| 6 | Catherine Beckett | 15 | Daughter | — | New Jersey |
| 7 | Joseph Beckett | 12 | Son | — | New Jersey |
| 8 | Bessie Beckett | 10 | Daughter | — | New Jersey |
| 9 | Robert J. Beckett | 7 | Son | — | New Jersey |
| 10 | Helen Beckett | 3 | Daughter | — | New Jersey |
| 11 | Michael Walsh | 59 | Head | Hod Carrier | Irish Free States |
| 12 | Margaret Walsh | 57 | Wife | — | Irish Free States |
| 13 | Margaret Walsh | 27 | Daughter | Ware Painter | New Jersey |
| 14 | Joseph Walsh | 19 | Son | New Worker | New Jersey |
| 15 | William Walsh | 17 | Son | — | New Jersey |
| 16 | Thomas Walsh THIS PERSON | 23 | Son | Bookkeeper | New Jersey |
| 17 | Jennie Walsh | 22 | Daughter-in-law | — | New Jersey |
| 18 | Kathleen Walsh | 1 | Grand Daughter | — | New Jersey |
| 19 | Pauline Seeley | 38 | Head | — | New Jersey |
| 20 | Paul Seeley | 2 | Son | — | New Jersey |
| 21 | William Kelly | 19 | Son | Junior Clerk | New Jersey |
| 22 | Kenneth Kelly | 16 | Son | Dish Washer | New Jersey |
| 23 | Doris Kelly | 13 | Daughter | — | New Jersey |
| 24 | Ends Block Here | None | 24- | — | — |
| 25 | Harry E Warner | 49 | Head | Night Watchman | Ohio |
| 26 | Anna Warner | 30 | Wife | — | New Jersey |
| 27 | Anna A Warner | 12 | Daughter | — | New Jersey |
| 28 | Harrietta Warner | 5 | Daughter | — | New Jersey |
| 29 | Ethel D Warner | 2 | Daughter | — | New Jersey |
| 30 | Fredrick Sprague | 58 | Father-in-law | — | New Jersey |
| 31 | Nickolas Asmanis | 51 | Head | Laborer | Greece |
| 32 | Sarah E Asmanis | 55 | Wife | — | England |
| 33 | Mac Neal Williams | 49 | Head | Mason | South Carolina |
| 34 | Elizabeth Williams | 42 | Wife | — | Georgia |
| 35 | Maren Williams | 20 | Daughter | — | Georgia |
| 36 | Ira Williams | 18 | Son | — | New Jersey |
| 37 | H. Mac Neal Williams | 8 | Son | — | New Jersey |
| 38 | Asher Pierce | 69 | Lodger | — | New Jersey |
| 39 | Stanley Burrough | 24 | Lodger | Gardener Railroad Porter | New Jersey |
| 40 | Elizabeth Burrough | 20 | Wife | — | Georgia |
Related Census Records
Pedigree Summary
Thomas + 3 siblings
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)