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James Jenkins — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Baltimore-City-County, Maryland
Our Model Tree links this James Jenkins across the 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed) — first a son (b.~1921), then head of a 11-person household.
Age 19
b. ~1921
Male
Son
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Jenkins |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Additional Details | |
| Occupation | Laborer |
| Industry | Meat Company |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 320 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Laborer |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1921 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Sophie Jenkins | Daughter | — | 12 | ~1928 |
| Alma Jenkins | Daughter | — | 20 | ~1920 |
| Lantz Jenkins | Head | — | 56 | ~1884 |
| Leo Jenkins | Son | — | 14 | ~1926 |
| John Jenkins | Son | — | 28 | ~1912 |
| Alex Jenkins | Son | — | 27 | ~1913 |
| James Jenkins | Son | — | 19 | ~1921 |
| Frank Jenkins | Son | — | 16 | ~1924 |
| Joseph Jenkins | Son | — | 18 | ~1922 |
| Walter Jenkins | Son | — | 18 | ~1922 |
| Bertha Jenkins | Spouse | — | 53 | ~1887 |
Census Appearances
1930
Baltimore, Maryland
Son, age 8
Baltimore, Maryland · implied b. ~1922 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jenkins |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Son, age 19
Baltimore-City-County, Maryland · implied b. ~1921 — 11 household members
| Surname | Jenkins |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Occupation | Laborer |
| Industry | Meat Company |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 320 |
| Highest Grade | No 6 |
| 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 James Jenkins across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Jenkins
Son · 1940 · age 19 · b. ~1921 · Maryland
★ You are viewing this record
Sibling
Frank Jenkins
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Jenkins
Sibling · 1940 · age 28
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alma Jenkins
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sophie Jenkins
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Walter Jenkins
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alex Jenkins
Sibling · 1940 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leo Jenkins
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Jenkins
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
40 people indexed on this census page (nara:1940:m-t0627-01509-00369)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Dora Dorn | 36 | Wife | — | Maryland |
| 2 | Eldora Dorn | 5 | Daughter | — | Maryland |
| 3 | Freda Dorn | 2 | Daughter | — | Maryland |
| 4 | Lantz Jenkins | 56 | Head | Clerk | Maryland |
| 5 | Bertha Jenkins | 53 | Wife | — | Poland |
| 6 | John Jenkins | 28 | Son | Laborer | Maryland |
| 7 | Alex Jenkins | 27 | Son | Laborer | Maryland |
| 8 | Alma Jenkins | 20 | Daughter | Packer | Maryland |
| 9 | James Jenkins THIS PERSON | 19 | Son | Laborer | Maryland |
| 10 | Joseph Jenkins | 18 | Son | — | Maryland |
| 11 | Walter Jenkins | 18 | Son | — | Maryland |
| 12 | Frank Jenkins | 16 | Son | — | Maryland |
| 13 | Leo Jenkins | 14 | Son | — | Maryland |
| 14 | Sophie Jenkins | 12 | Daughter | — | Maryland |
| 15 | Dominick Kownecki | 31 | Head | Machine Operator | Maryland |
| 16 | Mary Kownecki | 26 | Wife | Packer | Maryland |
| 17 | John Janutski | 50 | Head | Clerk | Poland |
| 18 | Helen Janutski | 49 | Wife | — | Poland |
| 19 | Walter Janutski | 21 | Son | — | Maryland |
| 20 | Bertha Janutski | 20 | Daughter | — | Maryland |
| 21 | Wanda Janutski | 16 | Daughter | — | Maryland |
| 22 | Thomas Janutski | 14 | Son | — | Maryland |
| 23 | Jessie Janutski | 11 | Daughter | — | Maryland |
| 24 | Adam Bantey | 70 | Head | Real Estate | Maryland |
| 25 | Thaddeus Niemura | 44 | Head | Laborer | Lithuania |
| 26 | Beatrice Niemura | 43 | Wife | — | Maryland |
| 27 | Edward Niemura | 24 | Son | Machine Operator | Maryland |
| 28 | Zigmund Niemura | 21 | Son | Recorder | Maryland |
| 29 | Thomas Niemura | 18 | Son | — | Maryland |
| 30 | Josephine Niemura | 16 | Daughter | — | Maryland |
| 31 | Melvin Niemura | 15 | Son | — | Maryland |
| 32 | Leonard Niemura | 14 | Son | — | Maryland |
| 33 | Veronica Niemura | 12 | Daughter | — | Maryland |
| 34 | Kenton Brooks | 25 | Head | Saw Mechanic | Maryland |
| 35 | Florence Brooks | 23 | Wife | — | Maryland |
| 36 | Augustine John Francy | 25 | Head | Mechanic | Maryland |
| 37 | Josephine Francy | 19 | Wife | — | Maryland |
| 38 | John Francy | 3 | Son | — | Maryland |
| 39 | Richard Francy | 1 | Son | — | Maryland |
| 40 | Morris Singer | 41 | Head | Clerk | Russia |
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)