JW
James Welsh — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Kings-County, New York
Our Model Tree links this James Welsh across the 1930 and 1940 US Censuses in Kings-County, New York (XGBoost, ~Confirmed) — first a head (b.~1905), then head of a 7-person household.
Age 35
b. ~1905
Male
Head
Born: Scotland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Kings-County, New York |
| Surname | Welsh |
| Given Name | James O. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | New York City, Brooklyn Boro |
| 1935 Residence (County) | Kings |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Fireman |
| Industry | N.Y. Fire Dept |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 2000 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
| Occupation | Fireman |
| Township / Ward | New York City Brooklyn Boro |
| 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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Marguerite Welsh | Daughter | — | 6 | ~1934 |
| Eileen Welsh | Daughter | — | 4 | ~1936 |
| Robert Welsh | Son | — | 2 | ~1938 |
| James Welsh | Son | — | 9 | ~1931 |
| James Welsh | Head | — | 35 | ~1905 |
| Patrick Welsh | Daughter | — | 8 | ~1932 |
| Marguerite Welsh | Spouse | — | 35 | ~1905 |
Census Appearances
1930
Kings, New …
Head, age 25
Kings, New York · implied b. ~1905 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Welsh |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Scotland |
| Naturalization Status | First papers filed |
| Year of Immigration | 1923 |
| Age at First Marriage | 24 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Mechanic |
| Industry | Garage |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | Scotch |
| Home Owned/Rented | R |
| Home Value / Rent | 55.00 |
| Radio Set | R |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1940
Kings-County, New …
Head, age 35
Kings-County, New York · implied b. ~1905 — 7 household members
| Surname | Welsh |
| Given Name | James O. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | New York City, Brooklyn Boro |
| 1935 Residence (County) | Kings |
| Naturalization Status | Naturalized |
| Occupation | Fireman |
| Industry | N.Y. Fire Dept |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 2000 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| 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 James Welsh across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
James Welsh
Head · 1940 · age 35 · b. ~1905 · New York
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Kings-County, New York
Open full size
1940 US Federal Census — Kings-County, New York
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02611-00019)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Joan-Pa Arscott | 38 | Head | Clerk | Scotland |
| 2 | Jean Arscott | 17 | Daughter | — | Brooklyn |
| 3 | Marjorie Arscott | 13 | Daughter | — | Brooklyn |
| 4 | Alan Arscott | 11 | Son | — | Brooklyn |
| 5 | John Geary | 27 | Lodger | Garage | Scranton |
| 6 | James O. Welsh THIS PERSON | 35 | Head | Fireman | Scotland |
| 7 | Marguerite M. Welsh | 35 | Wife | — | Brooklyn |
| 8 | James J. Welsh | 9 | Son | — | Brooklyn |
| 9 | Patrick Welsh | 8 | Daughter | — | Brooklyn |
| 10 | Marguerite Welsh | 6 | Daughter | — | Brooklyn |
| 11 | Eileen Welsh | 4 | Daughter | — | Brooklyn |
| 12 | Robert J. Welsh | 2 | Son | — | Brooklyn |
| 13 | Mary C. Mccaughan | 63 | Head | — | New Jersey |
| 14 | Irma E. Mccaughan | 34 | Daughter | Public School | New York |
| 15 | James Mccaughan | 31 | Son | — | New York |
| 16 | Mary E. Murphy | 62 | Head | Clerk | Ireland |
| 17 | Patrick W. Mchugh | 64 | Head | City Employ | Brooklyn |
| 18 | Clara O. Mchugh | 36 | Wife | Housewife | So. America |
| 19 | Marcia Mchugh | 11 | Daughter | — | Brooklyn |
| 20 | Walter J. Davis | 39 | Head | Longshoreman | England |
| 21 | Margaret Davis | 37 | Wife | — | Brooklyn |
| 22 | Walter Davis | 18 | Son | — | Brooklyn |
| 23 | Henry Davis | 17 | Son | — | Brooklyn |
| 24 | John A. Donahue | 54 | Head | Railway Co | New York |
| 25 | Frances M. Donahue | 51 | Wife | — | Brooklyn |
| 26 | Frances M. Donahue | 19 | Daughter | — | New York |
| 27 | Gertrude Jackson | 47 | Sister-in-law | Telephone Co | New York |
| 28 | William J. Magee | 79 | Head | Bank | South Hampton |
| 29 | Mary Jane Magee | 78 | Wife | — | New York |
| 30 | Margaret Magee | 41 | Daughter | Mail Order House | Brooklyn |
| 31 | Lucy Magee | 39 | Daughter | Sewing Machine | Brooklyn |
| 32 | Harold Swain | 46 | Head | Insurance Co | Brooklyn |
| 33 | Grace B. Swain | 43 | Wife | — | Brooklyn |
| 34 | Ester S. Von Berck | 50 | Head | — | Brooklyn |
| 35 | Shirley Von Berck | 19 | Daughter | — | Brooklyn |
| 36 | Lillian Cedarholm | 53 | Sister | Opera House | Brooklyn |
| 37 | Ruth Spader | 50 | Sister | — | Brooklyn |
| 38 | Lou Spader | 47 | Brother-in-law | Manager | France |
| 39 | William Cawood | 26 | Nephew | Board Co | Brooklyn |
| 40 | Arthur Kentschert | 41 | Head | Radio Parts | New York |
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)