JW
James Walsh — 1940 US Census Record
Model Tree available1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this James Walsh across the 1920, 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Rose & David — first a son (b.~1900), then head of a 3-person household.
Age 40
b. ~1900
Male
Son
Born: Mass
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Walsh |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Single |
| Birthplace | Mass |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Occupation | manager |
| Industry | retail food |
| Class of Worker | PW |
| Hours Worked | 54 |
| Income (1939) | 1950 |
| Highest Grade | C 4 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | mass |
| Occupation | Manager |
| Township / Ward | Boston |
| Est. Birth Year | ~1900 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| David Walsh | Head | — | 75 | ~1865 |
| James Walsh | Son | — | 40 | ~1900 |
| Mary Walsh | Spouse | — | 71 | ~1869 |
Census Appearances
1920
Suffolk, Massachusetts
Son, age 20
Suffolk, Massachusetts · implied b. ~1900 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Walsh |
| Given Name | James J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Mass |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Chauffeur |
| Industry | Wholesale Grocery |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | mass |
1930
Suffolk, Massachusetts
Son, age 31
Suffolk, Massachusetts · implied b. ~1899 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Walsh |
| Given Name | James F |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | Mass |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Manager |
| Industry | Store |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | Eng |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | mass |
1940
Suffolk-County, Massachusetts
Son, age 40
Suffolk-County, Massachusetts · implied b. ~1900 — 3 household members
| Surname | Walsh |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Single |
| Birthplace | Mass |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Occupation | manager |
| Industry | retail food |
| Class of Worker | PW |
| Hours Worked | 54 |
| Income (1939) | 1950 |
| Highest Grade | C 4 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | mass |
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 James Walsh across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Rose Walsh (~0.92 confidence) and father David Walsh (~0.92 confidence) and mother Mary Walsh (~0.92 confidence) and father David Walsh (~0.92 confidence) and mother Mary Walsh (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Rose Walsh
b. ~1863
Source mother
● Household
· direct · ~0.92
Father
David Walsh
b. ~1865
Source father
● Household
· direct · ~0.92
Mother
Mary Walsh
b. ~1869
Source mother
● Household
· direct · ~0.92
Father
David Walsh
b. ~1871
Source father
● Household
· direct · ~0.92
Mother
Mary Walsh
b. ~1872
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Walsh
Son · 1940 · age 40 · b. ~1900 · 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 — Suffolk-County, Massachusetts
Open full size
1940 US Federal Census — Suffolk-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01674-00149)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | David Walsh | 75 | Head | — | Irish Free State |
| 2 | Mary J Walsh | 71 | Wife | — | Irish Free State |
| 3 | James Walsh THIS PERSON | 40 | Son | Manager | Mass |
| 4 | Charles J Connors | 51 | Head | Lieutenant | Mass |
| 5 | Mary A Connors | 44 | Wife | — | Mass |
| 6 | Charles F Connors | 22 | Son | Office Clerk | Mass |
| 7 | Paul Connors | 19 | Son | Stock Clerk | Mass |
| 8 | Malachy Lally | 72 | Head | — | Irish Free State |
| 9 | Catherine Lally | 69 | Wife | — | Irish Free State |
| 10 | Walter J Lally | 34 | Son | Plumber | Mass |
| 11 | Edmund Hohmann | 32 | Head | Dist. Manager | Mass |
| 12 | Mary D Hohmann | 32 | Wife | — | Mass |
| 13 | Mary Ann Hohmann | 1 | Daughter | — | Mass |
| 14 | Morgan Sweeney | 34 | Head | Packer | Mass |
| 15 | John Sweeney | 27 | Brother-in-law | Laborer | Mass |
| 16 | Frank J Pasquale | 29 | Head | Estimator | Italy |
| 17 | Ida Pasquale | 26 | Wife | — | Mass |
| 18 | Ann Marie Pasquale | 3 | Daughter | — | Mass |
| 19 | Eleanor Pasquale | 2 | Daughter | — | Mass |
| 20 | Joseph A Mcnealy | 40 | Head | Telephone Supervisor | Mass |
| 21 | Mary J Mcnealy | 35 | Wife | — | Mass |
| 22 | Alice J Mcnealy | 19 | Daughter | — | Mass |
| 23 | Dorothy A Mcnealy | 15 | Daughter | — | Mass |
| 24 | Joseph S Mcnealy | 13 | Son | — | Mass |
| 25 | Mary E Mcnealy | 8 | Daughter | — | Mass |
| 26 | Charles J Clougherty | 46 | Head | Plumber | Mass |
| 27 | Mary H Clougherty | 40 | Wife | — | Mass |
| 28 | Charles J Clougherty | 12 | Son | — | Mass |
| 29 | Edward J O'Leary | 46 | Head | Compositor | Eire |
| 30 | Mary A O'Leary | 43 | Wife | — | Eire |
| 31 | Kevin P O'Leary | 18 | Son | Library Worker | Mass |
| 32 | Margaret Manning | 48 | Sister-in-law | Public Health Nurse | Eire |
| 33 | Kathleen Crowley | 57 | Lodger | Proof Reader | Eire |
| 34 | Margaret C Twomey | 40 | Lodger | Cook | Eire |
| 35 | Edward F Trainor | 53 | Head | Supervisor | Mass |
| 36 | Ann Trainor | 46 | Wife | — | New York |
| 37 | Leona Trainor | 16 | Son | — | Mass |
| 38 | Claire Trainor | 10 | Daughter | — | Mass |
| 39 | Thomas J Murphy | 52 | Head | Chauffeur | Irish Free State |
| 40 | Lucie M Murphy | 47 | Wife | — | Mass |
Pedigree Summary
James
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)