RM
Richard Murphy — 1940 US Census Record
Model Tree available1940 United States Federal Census · Baltimore-City-County, Maryland
Our Model Tree links this Richard Murphy across the 1920, 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed), with identified parents Lulu & Frank — first a son (b.~1914), then head of a 5-person household.
Age 26
b. ~1914
Male
Son
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Murphy |
| Given Name | Richard K. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Additional Details | |
| Occupation | Guard |
| Industry | Trust Co |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1000 |
| Highest Grade | H 2 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Guard |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1914 |
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 Richard | Age | Birth yr |
|---|---|---|---|---|
| Frank Murphy | Head | — | 50 | ~1890 |
| Frank Murphy | Son | — | 13 | ~1927 |
| Richard Murphy | Son | — | 26 | ~1914 |
| Lula Murphy | Spouse | — | 51 | ~1889 |
| Carroll Messick | Other | — | 39 | ~1901 |
Census Appearances
1920
Baltimore, Maryland
Son, age 5
Baltimore, Maryland · implied b. ~1915 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murphy |
| Given Name | Richard R. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Baltimore, Maryland
Son, age 16
Baltimore, Maryland · implied b. ~1914 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murphy |
| Given Name | Richard K. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| 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 26
Baltimore-City-County, Maryland · implied b. ~1914 — 5 household members
| Surname | Murphy |
| Given Name | Richard K. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Occupation | Guard |
| Industry | Trust Co |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1000 |
| Highest Grade | H 2 |
| 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 Richard Murphy across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Lulu Murphy (~0.92 confidence) and father Frank Murphy (~0.92 confidence) and father Frank Murphy (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Lulu Murphy
b. ~1889
Source mother
● Household
· direct · ~0.92
Father
Frank Murphy
b. ~1890
Source father
● Household
· direct · ~0.92
Father
Frank Murphy
b. ~1890
Source father
● Household
· direct · ~0.92
This person
Anchor record
Richard Murphy
Son · 1940 · age 26 · b. ~1914 · Maryland
★ You are viewing this record
Sibling
Frank Murphy
Sibling · 1940 · age 13
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-t0627-01520-00280)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Shirley Weis | 10 | Daughter | — | Maryland |
| 2 | Edgar F. Wheeler | 58 | Head | Forester | Maryland |
| 3 | Madeline Wheeler | 50 | Wife | — | Maryland |
| 4 | Ralph L. Kelley | 33 | Head | Agent | Maryland |
| 5 | Ada V. Kelley | 29 | Wife | — | Maryland |
| 6 | Joseph R. Morris | 50 | Head | — | Maryland |
| 7 | Marie Morris | 45 | Wife | — | Maryland |
| 8 | Mary Morris | 19 | Daughter | — | Maryland |
| 9 | Ruth Morris | 17 | Daughter | — | Maryland |
| 10 | Claire Morris | 11 | Daughter | — | Maryland |
| 11 | Nancy Morris | 10 | Daughter | — | Maryland |
| 12 | Walter Morris | 9 | Son | — | Maryland |
| 13 | Charles Renner | 59 | Head | Machinist | Virginia |
| 14 | Mary Renner | 54 | Wife | — | Maryland |
| 15 | Charles Renner | 24 | Son | Police | Maryland |
| 16 | Amelia Gones | 45 | Roomer | Seamstress | Maryland |
| 17 | Jacob Treeman | 52 | Head | Tailor | Poland |
| 18 | Ida Treeman | 44 | Wife | — | Poland |
| 19 | David Treeman | 20 | Son | — | Maryland |
| 20 | Goldie Treeman | 19 | Daughter | — | Maryland |
| 21 | Lillian Treeman | 16 | Daughter | — | Maryland |
| 22 | William Treeman | 9 | Son | — | Maryland |
| 23 | Rosalind Treeman | 1 | Daughter | — | Maryland |
| 24 | Frank L. Murphy | 50 | Head | — | Maryland |
| 25 | Lula R. Murphy | 51 | Wife | — | Maryland |
| 26 | Richard K. Murphy THIS PERSON | 26 | Son | Guard | Maryland |
| 27 | Frank E. Murphy | 13 | Son | — | Maryland |
| 28 | Carroll Messick | 39 | Roomer | Instructor | Maryland |
| 29 | Edgar Myers | 37 | Head | Garage | Maryland |
| 30 | Marjorie Myers | 33 | Wife | — | Maryland |
| 31 | Mary Herzog | 60 | Roomer | Seamstress | Maryland |
| 32 | Yorkie Padgett | 45 | Roomer | Roofer | Maryland |
| 33 | Georgia Padgett | 23 | Roomer | — | Maryland |
| 34 | Grover Landon | 40 | Head | Mechanic | Maryland |
| 35 | Helen Landon | 38 | Wife | Waitress | Maryland |
| 36 | John D. Coburn | 32 | Head | Steam Operat | Maryland |
| 37 | Catherine Coburn | 29 | Wife | — | Maryland |
| 38 | Helen Coburn | 10 | Daughter | — | Maryland |
| 39 | John Jr. Coburn | 8 | Son | — | Maryland |
| 40 | Arthur Coburn | 5 | Son | — | Maryland |
Pedigree Summary
Richard + 1 sibling
Gen 1 · 3 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)