JW
James Welsh — 1940 US Census Record
Model Tree available1940 United States Federal Census · Baltimore-City-County, Maryland
Our Model Tree links this James Welsh across the 1920, 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed), with identified parents Edward & John — first a son (b.~1915), then head of a 9-person household.
Age 25
b. ~1915
Male
Son
Born: Maryland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Welsh |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Additional Details | |
| Occupation | Salesman |
| Industry | Sea food |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1000 |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Salesman |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1915 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| James Welsh | Son | — | 25 | ~1915 |
| Edward Welsh | Head | — | 53 | ~1887 |
| William Welsh | Son | — | 24 | ~1916 |
| Elizabeth Welsh | Daughter | — | 21 | ~1919 |
| Francis Welsh | Son | — | 19 | ~1921 |
| Ethel Welsh | Daughter | — | 20 | ~1920 |
| Ellen Welsh | Spouse | — | 50 | ~1890 |
| Catherine Welsh | Daughter | — | 17 | ~1923 |
| Joseph Welsh | Son | — | 15 | ~1925 |
Census Appearances
1920
Baltimore, Maryland
Son, age 5
Baltimore, Maryland · implied b. ~1915 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Welsh |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Maryland |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
Son, age 15
Baltimore, Maryland · implied b. ~1915 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Walsh |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Maryland |
| Occupation | Cutter |
| Industry | Shirt Factory |
| Class of Worker | W |
| Can Read/Write | No |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Son, age 25
Baltimore-City-County, Maryland · implied b. ~1915 — 9 household members
| Surname | Welsh |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Occupation | Salesman |
| Industry | Sea food |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1000 |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
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 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Edward Welsh (~0.92 confidence) and father John Walsh (~0.92 confidence) and father Peter Welsh (~0.92 confidence) and mother Ellen Welsh (~0.92 confidence) and mother Mary Walsh (~0.92 confidence) and mother Myrtle Welsh (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Edward Welsh
b. ~1887
Source father
● Household
· direct · ~0.92
Father
John Walsh
b. ~1891
Source father
● Household
· direct · ~0.92
Father
Peter Welsh
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Ellen Welsh
b. ~1890
Source mother
● Household
· direct · ~0.92
Mother
Mary Walsh
b. ~1898
Source mother
● Household
· direct · ~0.92
Mother
Myrtle Welsh
b. ~1882
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Welsh
Son · 1940 · age 25 · b. ~1915 · Maryland
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Sibling
Joseph Welsh
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Welsh
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Welsh
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Welsh
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Welsh
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ethel Welsh
Sibling · 1940 · age 20
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 — Baltimore-City-County, Maryland
Open full size
1940 US Federal Census — Baltimore-City-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01509-00793)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Amelia Concordia | 22 | Wife | — | Maryland |
| 42 | John J. Mahony | 70 | Head | — | Maryland |
| 43 | Michael J. Mahony | 74 | Brother | — | Maryland |
| 44 | William R. Keatts | 62 | Head | Clerk | North Carolina |
| 45 | Florence Keatts | 54 | Wife | — | Maryland |
| 46 | Edward Welsh | 53 | Head | Mechanic | Maryland |
| 47 | Ellen Welsh | 50 | Wife | — | Maryland |
| 48 | James Welsh THIS PERSON | 25 | Son | Salesman | Maryland |
| 49 | William Welsh | 24 | Son | Type Setter | Maryland |
| 50 | Elizabeth Welsh | 21 | Daughter | Typist | Maryland |
| 51 | Francis Welsh | 19 | Son | Salesman | Maryland |
| 52 | Catherine Welsh | 17 | Daughter | — | Maryland |
| 53 | Joseph Welsh | 15 | Son | — | Maryland |
| 54 | Ethel Welsh | 20 | Daughter | Dress Maker | Maryland |
| 55 | Frank Hapolello | 77 | Head | — | Italy |
| 56 | Mary Hapolello | 65 | Wife | — | Italy |
| 57 | Steven Hapolello | 35 | Son | Machinist | Maryland |
| 58 | Charles Hapolello | 41 | Son | Tailor | Maryland |
| 59 | Ethel Hapolello | 35 | Daughter in law | Tailor | Virginia |
| 60 | Concetta Hapolello | 7 | Grand Daughter | — | Virginia |
| 61 | Anthony Votta | 45 | Head | Laborer | Maryland |
| 62 | Amelia Votta | 42 | Wife | — | Maryland |
| 63 | Joseph Votta | 18 | Son | Trucker | Maryland |
| 64 | Danilo Lawrence Votta | 45 | Lodger | Laborer | Maryland |
| 65 | Alfred Cariddi | 42 | Head | Laborer | Italy |
| 66 | Mary Cariddi | 39 | Wife | — | Italy |
| 67 | Carmelo Cariddi | 18 | Daughter | Trimmer | Maryland |
| 68 | Anna Cariddi | 15 | Daughter | — | Maryland |
| 69 | Florence Cariddi | 12 | Daughter | — | Pennsylvania |
| 70 | Armond Cariddi | 10 | Son | — | Pennsylvania |
| 71 | Carmon Brigandi | 74 | Brother in law | — | Italy |
| 72 | Adolph Rock | 45 | Lodger | Laborer | Italy |
| 73 | Michael Brigandi | 43 | Head | Laborer | Italy |
| 74 | Florence Brigandi | 41 | Wife | — | Maryland |
| 75 | Joseph Brigandi | 22 | Son | Trucker | Maryland |
| 76 | Anthony Brigandi | 20 | Son | Band Saw | Maryland |
| 77 | Theresa Brigandi | 14 | Daughter | — | Maryland |
| 78 | Salvatore Damico | 66 | Head | Fruit Dealer | Italy |
| 79 | Annette Damico | 59 | Wife | — | Italy |
| 80 | Andrew Damico | 27 | Son | Trucker | Maryland |
Related Census Records
Pedigree Summary
James + 6 siblings
Gen 1 · 6 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)