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Joseph Mason — 1940 US Census Record
Model Tree available1940 United States Federal Census · Baltimore-City-County, Maryland
Our Model Tree links this Joseph Mason across the 1920, 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed), with identified parents George & Laura — first a head (b.~1911), then head of a 6-person household.
Age 29
b. ~1911
Male
Head
Born: Maryland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Mason |
| Given Name | Joseph C. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Maryland |
| Additional Details | |
| Occupation | Shoe Maker |
| Industry | Repair Shop |
| Class of Worker | PW |
| Hours Worked | 20 |
| Income (1939) | 800 |
| Highest Grade | Hs 4 |
| 1935 Residence | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Shoemaker |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1911 |
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 Joseph | Age | Birth yr |
|---|---|---|---|---|
| Elizabeth Mason | Spouse | — | 29 | ~1911 |
| George Mason | Son | — | 5 | ~1935 |
| Joseph Mason | Head | — | 29 | ~1911 |
| Frances Mason | Daughter | — | 11 | ~1929 |
| James Mason | Son | — | 3 | ~1937 |
| Joseph Mason | Son | — | 7 | ~1933 |
Census Appearances
1920
Baltimore, Maryland
Son, age 9
Baltimore, Maryland · implied b. ~1911 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mason |
| Given Name | Joseph C. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Mulatto |
| Age | 9 |
| 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 19
Baltimore, Maryland · implied b. ~1911 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mason |
| Given Name | Joseph |
| Relationship to Head | son |
| Sex | M |
| Color / Race | Black |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Chauffer |
| Industry | store |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Head, age 29
Baltimore-City-County, Maryland · implied b. ~1911 — 6 household members
| Surname | Mason |
| Given Name | Joseph C. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Maryland |
| Occupation | Shoe Maker |
| Industry | Repair Shop |
| Class of Worker | PW |
| Hours Worked | 20 |
| Income (1939) | 800 |
| Highest Grade | Hs 4 |
| 1935 Residence | Maryland |
| 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 Joseph Mason across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father George Mason (~0.92 confidence) and mother Laura Mason (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
George Mason
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
Laura Mason
b. ~1890
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Joseph Mason
Head · 1940 · age 29 · b. ~1911 · 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-t0627-01527-00463)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Frank Holland | 28 | Head | Laborer | West Virginia |
| 2 | Rebecca Holland | 27 | Wife | 4 | Maryland |
| 3 | Alice Williams | 27 | Lodger | Steward | South Carolina |
| 4 | Wilson Williams | 11 | Lodger | — | Maryland |
| 5 | Reginald Williams | 6 | Lodger | — | Maryland |
| 6 | Benjamin Thompson | 73 | Head | Minister | Maryland |
| 7 | Jane Thompson | 69 | Wife | — | Georgia |
| 8 | William Smith | 37 | Head | Salesman | Alabama |
| 9 | Lucy Smith | 30 | Wife | Houseworker | Virginia |
| 10 | William E. Smith | 2 | Son | — | Maryland |
| 11 | John H. Hatcher | 22 | Head | Baker | N. Carolina |
| 12 | Ella Hatcher | 21 | Wife | Saleswoman | Maryland |
| 13 | Francis Rogers | 42 | Head | Housekeeper | Maryland |
| 14 | Frances Rogers | 16 | Daughter | Waitress | Maryland |
| 15 | Albert Rogers | 12 | Son | — | Maryland |
| 16 | Katherine Rogers | 10 | Daughter | — | Maryland |
| 17 | Gwendolyn Rogers | 4 | Daughter | — | Maryland |
| 18 | Damon Sumbly | 44 | Lodger | Iron-Carrier | Maryland |
| 19 | Leonard Cole | 42 | Head | Mechanic | Maryland |
| 20 | Modesta Cole | 38 | Wife | Housekeeper | Maryland |
| 21 | Jeanara Cole | 19 | Son | Waiter | Maryland |
| 22 | Burnell Cole | 16 | Son | — | Maryland |
| 23 | Flora Martin | 56 | Lodger | Servant | Georgia |
| 24 | Edna Mcmullen | 23 | Lodger | Steward | Georgia |
| 25 | Joseph C. Mason THIS PERSON | 29 | Head | Shoe Maker | Maryland |
| 26 | Elizabeth Mason | 29 | Wife | Servant | Maryland |
| 27 | Frances Mason | 11 | Daughter | — | Maryland |
| 28 | Joseph Mason | 7 | Son | — | Maryland |
| 29 | George Mason | 5 | Son | — | Maryland |
| 30 | James Mason | 3 | Son | — | Maryland |
| 31 | Roland Bull | 26 | Head | Truck Driver | Maryland |
| 32 | Mary Bull | 25 | Wife | Seamstress | Maryland |
| 33 | Charles Byrd | 46 | Head | Carpenter | S. Carolina |
| 34 | Josie Byrd | 46 | Wife | Lodging House Keeper | S. Carolina |
| 35 | Vary Jetler | 34 | Niece | Servant | S. Carolina |
| 36 | Emanuel Layles | 45 | Lodger | Carpenter | S. Carolina |
| 37 | Anabel Dumas | 40 | Lodger | Servant | Georgia |
| 38 | Roger Aikes | 39 | Lodger | Laborer | Maryland |
| 39 | William Gary | 44 | Lodger | Attendant | Virginia |
| 40 | Alberta Aikes | 31 | Lodger | Servant | Virginia |
Related Census Records
Pedigree Summary
Joseph
Gen 1 · 2 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)