JW
James Welsh — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Baltimore-City-County, Maryland
Our Model Tree links this James Welsh across the 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed) — first a head (b.~1908), then head of a 5-person household.
Age 32
b. ~1908
Male
Head
Born: Maryland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Welsh |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore |
| 1935 Residence (County) | Baltimore City |
| Additional Details | |
| Occupation | Cab Driver |
| Industry | Taxi Business |
| Class of Worker | PW |
| Hours Worked | 54 |
| Income (1939) | 960 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Cab Driver |
| Township / Ward | Baltimore |
| Est. Birth Year | ~1908 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Michael Welsh | Other | — | 21 | ~1919 |
| Leona Welsh | Spouse | — | 32 | ~1908 |
| Margaret Welsh | Daughter | — | 14 | ~1926 |
| James Welsh | Son | — | 13 | ~1927 |
| James Welsh | Head | — | 32 | ~1908 |
Census Appearances
1930
Baltimore, Maryland
Head, age 22
Baltimore, Maryland · implied b. ~1908 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Wells |
| Given Name | James S |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 21 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Czechoslovakia |
| Occupation | agent |
| Industry | Insurance |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 30.00 |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Head, age 32
Baltimore-City-County, Maryland · implied b. ~1908 — 5 household members
| Surname | Welsh |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore |
| 1935 Residence (County) | Baltimore City |
| Occupation | Cab Driver |
| Industry | Taxi Business |
| Class of Worker | PW |
| Hours Worked | 54 |
| Income (1939) | 960 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| 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 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Welsh
Head · 1940 · age 32 · b. ~1908 · Maryland
★ 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 — 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-t0627-01516-00662)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Charles M Abell | 28 | Head | — | Maryland |
| 2 | Mary Margaret Abell | 21 | Wife | — | Maryland |
| 3 | Suzanne Alma Abell | 1 | Daughter | — | Maryland |
| 4 | Barbara E Miller | 50 | Head | Sheet Metal | Virginia |
| 5 | Florence L Miller | 47 | Daughter | — | Virginia |
| 6 | Robert E Miller | 21 | Son | Chauffeur | Virginia |
| 7 | Herman L Miller | 19 | Son | — | Virginia |
| 8 | Michael P Jr Kolen | 25 | Head | — | Wash. D.C. |
| 9 | Mary T Kolen | 24 | Wife | — | Ireland |
| 10 | Margaret B Kolen | 3 | Daughter | — | Baltimore |
| 11 | Elsie J Kolen | 26 | Sister | Clerk | Baltimore |
| 12 | Mary G Kolen | 42 | Daughter | Warehouseman | Maryland |
| 13 | Harry B Greer | 62 | Head | Upholsterer | Maryland |
| 14 | Molly J Greer | 55 | Wife | — | Maryland |
| 15 | Guinn Mary C Greer | 16 | Step-dau | Mac-Worker | Maryland |
| 16 | — | None | — | — | — |
| 17 | — | None | — | — | — |
| 18 | — | None | — | — | — |
| 19 | — | None | — | — | — |
| 20 | James Welsh THIS PERSON | 32 | Head | Cab Driver | Maryland |
| 21 | Leona C Welsh | 32 | Wife | — | Maryland |
| 22 | Margaret M Welsh | 14 | Daughter | — | Maryland |
| 23 | James J Welsh | 13 | Son | — | Maryland |
| 24 | Michael J Welsh | 21 | Brother | Labor | Maryland |
| 25 | Helen M Ficke | 42 | Head | — | Maryland |
| 26 | Walter P Ficke | 18 | Son | — | Maryland |
| 27 | Timothy J Riordan | 50 | Head | Laborer | Maryland |
| 28 | Marie E Riordan | 46 | Wife | — | Maryland |
| 29 | Thos P Riordan | 13 | Son | Chauffeur | Maryland |
| 30 | Louis Deloz | 65 | Lodger | Paper Hanger | Germany |
| 31 | Russell T Darnell | 52 | Head | Paper Hanger | Ohio |
| 32 | B. Elizabeth Darnell | 52 | Wife | — | Virginia |
| 33 | Russell Darnell | 28 | Son | Engineer | Maryland |
| 34 | Charles Hochhaus | 27 | Head | Tool-Inspector | Maryland |
| 35 | Lelia J Hochhaus | 26 | Wife | — | Maryland |
| 36 | James J Hochhaus | 2 | Son | — | Maryland |
| 37 | Beverly M Hochhaus | 0 | Daughter | — | Maryland |
| 38 | Howard R Shrege | 41 | Head | Elec-Mechanic | Maryland |
| 39 | Velma C Shrege | 39 | Wife | — | Maryland |
| 40 | Patricia S Shrege | 12 | Daughter | — | Maryland |
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)