MW
Mary Welsh — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Baltimore-City-County, Maryland
Our Model Tree links this Mary Welsh across the 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed) — first a head (b.~1885), then head of a 6-person household.
Age 55
b. ~1885
Female
Head
Born: Maryland
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Welsh |
| Given Name | Mary E |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 55 |
| Marital Status | Widowed |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1885 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Julia Garrity | Daughter | — | 25 | ~1915 |
| Eugene Starr | Other | — | 42 | ~1898 |
| Michael Garrity | Son | — | 6 | ~1934 |
| Elmer Garrity | Son | — | 28 | ~1912 |
| Doris Kuenne | Other | — | 18 | ~1922 |
| Mary Welsh | Head | — | 55 | ~1885 |
Census Appearances
1930
Baltimore, Maryland
Spouse, age 44
Baltimore, Maryland · implied b. ~1886 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Welsh |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 22 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Hair Dresser |
| Industry | Beauty Shop |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Head, age 55
Baltimore-City-County, Maryland · implied b. ~1885 — 6 household members
| Surname | Welsh |
| Given Name | Mary E |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 55 |
| Marital Status | Widowed |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Class of Worker | 0 |
| 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 Mary Welsh across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Welsh
Head · 1940 · age 55 · b. ~1885 · 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-t0627-01520-00085)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Irwin J Krout | 27 | Head | Clerk | Maryland |
| 42 | Sarah E Krout | 29 | Daughter | — | Maryland |
| 43 | Mary E Krout | 6 | Daughter | — | Maryland |
| 44 | Rose E Scott | 74 | Mother-in-law | — | Maryland |
| 45 | Mary E Welsh THIS PERSON | 55 | Head | — | Maryland |
| 46 | Elmer S Garrity | 28 | Son | Steam Fitter | Maryland |
| 47 | Julia C Garrity | 25 | Daughter | — | Maryland |
| 48 | Michael W Garrity | 6 | Son | — | Maryland |
| 49 | Doris E Kuenne | 18 | Lodger | Stenographer | Maryland |
| 50 | Eugene A Starr | 42 | Lodger | Janitor | Maryland |
| 51 | Harry S Gallo | 45 | Head | District Mgr | Maryland |
| 52 | Alice L Gallo | 44 | Wife | — | New York |
| 53 | M Elizabeth Thompson | 46 | Head | — | Pennsylvania |
| 54 | Charles S Thompson | 25 | Son | Stock Clerk | Pennsylvania |
| 55 | Mildred E Thompson | 21 | Daughter | Beautician | Maryland |
| 56 | Thelma E Thompson | 19 | Daughter | Sales Girl | Maryland |
| 57 | Herbert E Thompson | 8 | Son | — | Maryland |
| 58 | William H Leonberger | 48 | Head | Auto Mechanic | Maryland |
| 59 | Margaret R Leonberger | 47 | Wife | — | Maryland |
| 60 | Walter S Leonberger | 22 | Son | Auto Electrician | Maryland |
| 61 | John G Barrett | 54 | Head | Supervisor | Maryland |
| 62 | Nora R Barrett | 54 | Wife | — | Maryland |
| 63 | Pearl L Taylor | 59 | Head | — | Maryland |
| 64 | Grace E Taylor | 35 | Daughter | New Writer Stenographer | Maryland |
| 65 | George W Kirby | 31 | Son-in-law | Salesman | Maryland |
| 66 | Mabel A (Twin) Kirby | 33 | Daughter | Stenographer | Maryland |
| 67 | George C Kirby | 3 | Grandson | — | Maryland |
| 68 | Evelyn (Twin) Taylor | 33 | Daughter | Stenographer | Maryland |
| 69 | Harry R Baker | 60 | Head | Agt Detective | Maryland |
| 70 | Bessie M Baker | 56 | Wife | — | Maryland |
| 71 | Thomas H Baker | 33 | Son | Student Pastor | Maryland |
| 72 | William J Phillips | 29 | Son-in-law | Sales Clerk | Maryland |
| 73 | Ruth E Phillips | 23 | Daughter | — | Maryland |
| 74 | William H Phillips | 2 | Grandson | — | Maryland |
| 75 | William F Norris | 60 | Head | Engineer | Maryland |
| 76 | Gertrude B Norris | 58 | Wife | — | Maryland |
| 77 | Harold Pearce | 63 | Lodger | — | Maryland |
| 78 | M Virginia Watkins | 30 | Head | Teacher | Maryland |
| 79 | Jane E Watkins | 68 | Mother | — | District Col |
| 80 | Sadie G Tracey | 49 | Head | — | 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)