JW
James Williams — 1940 US Census Record
Model Tree available1940 United States Federal Census · Baltimore-City-County, Maryland
Our Model Tree links this James Williams across the 1920, 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed), with identified parents Charles & Charles — first a son (b.~1911), then head of a 8-person household.
Age 29
b. ~1911
Male
Son
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Williams |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Additional Details | |
| Occupation | Dishwasher |
| Industry | Lunch room |
| Class of Worker | PW |
| Hours Worked | 3 |
| Income (1939) | 720 |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Dishwasher |
| 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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Charles Williams | Head | — | 56 | ~1884 |
| Alexander Williams | Other | — | 15 | ~1925 |
| Estelle Williams | Other | — | 30 | ~1910 |
| John Williams | Son | — | 25 | ~1915 |
| Walter Williams | Son | — | 26 | ~1914 |
| James Williams | Son | — | 29 | ~1911 |
| Alexander Williams | Son | — | 34 | ~1906 |
| Elizabeth Williams | Spouse | — | 60 | ~1880 |
Census Appearances
1920
Baltimore, Maryland
Son, age 8
Baltimore, Maryland · implied b. ~1912 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| 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 | N. Carolina |
| Occupation | none |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Baltimore, Maryland
Son, age 18
Baltimore, Maryland · implied b. ~1912 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | North Carolina |
| Occupation | Cook |
| Industry | Restaurant |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Son, age 29
Baltimore-City-County, Maryland · implied b. ~1911 — 8 household members
| Surname | Williams |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Occupation | Dishwasher |
| Industry | Lunch room |
| Class of Worker | PW |
| Hours Worked | 3 |
| Income (1939) | 720 |
| Highest Grade | No 5 |
| 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 Williams across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Charles Williams (~0.92 confidence) and father Charles Williams (~0.92 confidence) and mother Lizzie Williams (~0.92 confidence) and mother Elizabeth Williams (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Charles Williams
b. ~1885
Source father
● Household
· direct · ~0.92
Father
Charles Williams
b. ~1881
Source father
● Household
· direct · ~0.92
Mother
Lizzie Williams
b. ~1881
Source mother
● Household
· direct · ~0.92
Mother
Elizabeth Williams
b. ~1880
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Williams
Son · 1940 · age 29 · b. ~1911 · Maryland
★ You are viewing this record
Sibling
John Williams
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Walter Williams
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alexander Williams
Sibling · 1940 · age 34
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-t0627-01523-00216)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Annie B Turner | 42 | Wife | Laundress | South Carolina |
| 42 | Stephen Turner | 65 | Lodger | — | Maryland |
| 43 | Jas F Waller | 25 | Head | Elevator Operator | Virginia |
| 44 | William B Waller | 17 | Son | New Worker | Maryland |
| 45 | Helen B Waller | 17 | Daughter | New Worker | Maryland |
| 46 | Lorraine Waller | 15 | Daughter | — | Maryland |
| 47 | Ida M Waller | 14 | Daughter | — | Maryland |
| 48 | Alfred Jr Dickerson | 47 | Head | Houseman & Gardener | Virginia |
| 49 | Molly Dickerson | 37 | Wife | — | Maryland |
| 50 | Mary Dickerson | 23 | Daughter | — | Maryland |
| 51 | Betty L Dickerson | 9 | Daughter | — | Maryland |
| 52 | Alfred Jr Dickerson | 5 | Son | — | Maryland |
| 53 | Everette Dickerson | 2 | Son | — | Maryland |
| 54 | Lloyd E Maith | 27 | Head | Laundress | Virginia |
| 55 | Lloyd E Maith | 32 | Brother | Laborer | Virginia |
| 56 | James Whitaker | 35 | Lodger | Laborer | Maryland |
| 57 | Sarah Whitaker | 29 | Lodger wife | Maid | Florida |
| 58 | James Sales | 31 | Lodger | Laborer | Maryland |
| 59 | Peter S Forrest | 34 | Head | Laborer | Virginia |
| 60 | Marguerite S Forrest | 36 | Wife | — | Maryland |
| 61 | Edith M Forrest | 16 | Daughter | New Worker | Maryland |
| 62 | Marguerite H Forrest | 14 | Daughter | — | Maryland |
| 63 | Doris J Forrest | 12 | Daughter | — | Maryland |
| 64 | E. Joan Forrest | 11 | Daughter | — | Maryland |
| 65 | Jean Forrest | 10 | Daughter | — | Maryland |
| 66 | Blanche Forrest | 7 | Daughter | — | Maryland |
| 67 | Margaret Wright | 65 | Mother in law | Cook | Maryland |
| 68 | Charles Williams | 56 | Head | Stationary Engineer | Maryland |
| 69 | Elizabeth W Williams | 60 | Wife | — | North Carolina |
| 70 | Alexander Williams | 34 | Son | Cook Asst | Maryland |
| 71 | Estelle Williams | 30 | Son wife | Cook | Maryland |
| 72 | James Williams THIS PERSON | 29 | Son | Dishwasher | Maryland |
| 73 | Walter Williams | 26 | Son | Delivery Man | Maryland |
| 74 | John Williams | 25 | Son | Delivery Boy | Maryland |
| 75 | Alexander Jr Williams | 15 | Grandson | New Worker | Maryland |
| 76 | William D Clark | 45 | Head | Laborer | Maryland |
| 77 | Alverta Clark | 43 | Wife | House Maid | Maryland |
| 78 | Rosalie Smallwood | 30 | Lodger | House Cleaner | Maryland |
| 79 | John H Payne | 50 | Head | Laborer | Maryland |
| 80 | Georgia O Payne | 54 | Wife | Laundress | Maryland |
Pedigree Summary
James + 3 siblings
Gen 1 · 4 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)