TM
Thomas Murphy — 1940 US Census Record
Model Tree available1940 United States Federal Census · Baltimore-City-County, Maryland
Our Model Tree links this Thomas Murphy across the 1920, 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed), with identified parents James & James — first a son (b.~1919), then head of a 8-person household.
Age 21
b. ~1919
Male
Son
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Murphy |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Additional Details | |
| Occupation | Policy Writer |
| Industry | Insurance Co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 732 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Policy Writer |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1919 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Thomas | Age | Birth yr |
|---|---|---|---|---|
| Marguerite Murphy | Daughter | — | 24 | ~1916 |
| Helen Murphy | Daughter | — | 18 | ~1922 |
| Martha Murphy | Daughter | — | 13 | ~1927 |
| Dolores Murphy | Daughter | — | 10 | ~1930 |
| James Murphy | Head | — | 58 | ~1882 |
| Thomas Murphy | Son | — | 21 | ~1919 |
| Charles Murphy | Son | — | 2 | ~1938 |
| Alma Murphy | Spouse | — | 54 | ~1886 |
Census Appearances
1920
Baltimore, Maryland
Son, age
Baltimore, Maryland · implied b. ~1920 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murphy |
| Given Name | Thomas Leo |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Baltimore, Maryland
Son, age 11
Baltimore, Maryland · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murphy |
| Given Name | Thomas Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Son, age 21
Baltimore-City-County, Maryland · implied b. ~1919 — 8 household members
| Surname | Murphy |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Occupation | Policy Writer |
| Industry | Insurance Co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 732 |
| Highest Grade | No 7 |
| 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 Thomas Murphy across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father James Murphy (~0.92 confidence) and father James Murphy (~0.92 confidence) and father Thomas Murphy (~0.92 confidence) and mother Elm Murphy (~0.92 confidence) and mother Alma Murphy (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Murphy
b. ~1882
Source father
● Household
· direct · ~0.92
Father
James Murphy
b. ~1882
Source father
● Household
· direct · ~0.92
Father
Thomas Murphy
b. ~1892
Source father
● Household
· direct · ~0.92
Mother
Elm Murphy
b. ~1885
Source mother
● Household
· direct · ~0.92
Mother
Alma Murphy
b. ~1886
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Thomas Murphy
Son · 1940 · age 21 · b. ~1919 · Maryland
★ You are viewing this record
Sibling
Dolores Murphy
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Martha Murphy
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Murphy
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marguerite Murphy
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Murphy
Sibling · 1940 · age 18
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
39 people indexed on this census page (nara:1940:m-t0627-01533-00189)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | James Murphy | 58 | Head | Tap Clerk | Maryland |
| 42 | Alma Murphy | 54 | Wife | Housekeeper | Maryland |
| 43 | Marguerite Murphy | 24 | Daughter | Housekeeper | Maryland |
| 44 | Thomas Murphy THIS PERSON | 21 | Son | Policy Writer | Maryland |
| 45 | Helen Murphy | 18 | Daughter | Clerk | Maryland |
| 46 | Martha Murphy | 13 | Daughter | — | Maryland |
| 47 | Dolores Murphy | 10 | Daughter | — | Maryland |
| 48 | Charles Murphy | 2 | Son | — | Maryland |
| 49 | Elizabeth Truitt | 57 | Head | Housekeeper | Maryland |
| 50 | C. Paul Truitt | 23 | Son | Miller | Maryland |
| 51 | Frank W. Rathmann | 56 | Head | Bus Salesman | Maryland |
| 52 | Veronica Rathmann | 52 | Wife | Housekeeper | Maryland |
| 53 | Adala Rathmann | 25 | Daughter | Housekeeper | Maryland |
| 54 | Francis Rathmann | 19 | Son | Baker | Maryland |
| 55 | Earl Murphy | 20 | Boarder | Upholsterer | Maryland |
| 56 | Madaline Murphy | 20 | Boarder | Waitress | Maryland |
| 57 | Joseph M. Keen | 60 | Head | Guard | Maryland |
| 58 | Rose Keen | 57 | Wife | Housekeeper | Maryland |
| 59 | Ray Friend | 27 | Head | Upholsterer | Pennsylvania |
| 60 | Hilda Friend | 23 | Wife | Housekeeper | Maryland |
| 61 | Alton Friend | 1 | Son | — | Maryland |
| 62 | Emory B. Mccullough | 56 | Head | Pool Clerk | Maryland |
| 63 | Ada P. Mccullough | 55 | Wife | Housekeeper | Maryland |
| 64 | Ernest Sr. Palko | 37 | Head | Grinder | Maryland |
| 65 | Margaret Palko | 31 | Daughter | Housekeeper | Maryland |
| 66 | Ernest Jr. Palko | 10 | Son | — | Maryland |
| 67 | Shirley Palko | 8 | Daughter | — | Maryland |
| 68 | John J. Grosz | 58 | Head | Machinist Helper | Germany |
| 69 | Elizabeth Grosz | 49 | Wife | Housekeeper | Maryland |
| 70 | Joseph L. Bell | 26 | Son-in-law | Machinist | Maryland |
| 71 | Veronica C. Bell | 26 | Daughter | Typist | Maryland |
| 72 | August Metzger | 40 | Brother-in-law | — | Maryland |
| 73 | Edward Galganski | 64 | Head | Tailor | Poland |
| 74 | Hattie Galganski | 61 | Wife | Housekeeper | Maryland |
| 75 | Elmer Galganski | 32 | Son | Cabinet Maker | Maryland |
| 76 | New Josephine Galganski | 33 | Daughter | Housekeeper | Maryland |
| 77 | Dora Schager | 65 | Head | Housekeeper | Maryland |
| 78 | Edward Schager | 25 | Son | Printer Helper | Maryland |
| 79 | Lillie Palling | 52 | Head | Housekeeper | Maryland |
Pedigree Summary
Thomas + 5 siblings
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)