WJ
William Jennings — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Baltimore, Maryland
Our Model Tree links this William Jennings across the 1930 and 1940 US Censuses in Baltimore, Maryland (XGBoost, ~Confirmed) — first a head (b.~1890), then head of a 8-person household.
Age 40
b. ~1890
Male
Head
Born: Maryland
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Baltimore, Maryland |
| Surname | Jennings |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 23 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Occupation | Laborer |
| Industry | Gas Co. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 5.00 |
| Veteran | No |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Laborer |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1890 |
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 1930 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| George Jennings | Son | — | 8 | ~1922 |
| William Jennings | Son | — | 14 | ~1916 |
| Alice Jennings | Daughter | — | 16 | ~1914 |
| William Jennings | Head | — | 40 | ~1890 |
| John Jennings | Son | — | 13 | ~1917 |
| Edward Jennings | Son | — | 10 | ~1920 |
| James Jennings | Son | — | 11 | ~1919 |
| Ida Jennings | Spouse | — | 31 | ~1899 |
Census Appearances
1930
Baltimore, Maryland
Head, age 40
Baltimore, Maryland · implied b. ~1890 — 8 household members
| Surname | Jennings |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 23 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Laborer |
| Industry | Gas Co. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 5.00 |
| Veteran | No |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Son, age 46
Baltimore-City-County, Maryland · implied b. ~1894 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jennings |
| Given Name | William F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Occupation | Clerk |
| Industry | U.S. Post Office |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 2165 |
| Highest Grade | No 8 |
| 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 William Jennings across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Jennings
Head · 1930 · age 40 · b. ~1890 · Maryland
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Baltimore, Maryland
Open full size
1930 US Federal Census — Baltimore, Maryland
Page Contents
50 people indexed on this census page (ia:1930:15thcensus861unit:0903)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Luke Richardson | 42 | Head | Stevedore | Maryland |
| 52 | Hazel Richardson | 34 | Wife | Housewife | Maryland |
| 53 | Helen Fort | 19 | Daughter | Housework | Maryland |
| 54 | Walter Fort | 8 | Son | — | Maryland |
| 55 | Hazel Fort | 4 | Daughter | — | Maryland |
| 56 | Milton Fort | 2 | Son | — | Maryland |
| 57 | William Jennings THIS PERSON | 40 | Head | Laborer | Maryland |
| 58 | Ida Jennings | 31 | Wife | Laundress | Maryland |
| 59 | Alice Jennings | 16 | Daughter | — | Maryland |
| 60 | William Jennings | 14 | Son | — | Maryland |
| 61 | John Jennings | 13 | Son | — | Maryland |
| 62 | James Jennings | 11 | Son | — | Maryland |
| 63 | Edward Jennings | 10 | Son | — | Maryland |
| 64 | George Jennings | 8 | Son | — | Maryland |
| 65 | Arthur Hargrove | 40 | Head | Porter | Maryland |
| 66 | Mary Hargrove | 34 | Wife | Housewife | Virginia |
| 67 | Theodore Hargrove | 15 | Son | — | Maryland |
| 68 | George Hargrove | 12 | Son | — | Maryland |
| 69 | Milton Hargrove | 10 | Son | — | Maryland |
| 70 | Jesse Hargrove | 9 | Son | — | Maryland |
| 71 | Charles Hargrove | 8 | Son | — | Maryland |
| 72 | Dorothy Hargrove | 7 | Daughter | — | Maryland |
| 73 | Robert Hargrove | 5 | Son | — | Maryland |
| 74 | Richard Hargrove | 4 | Son | — | Maryland |
| 75 | Mildred Hargrove | 3 | Daughter | — | Maryland |
| 76 | William Hargrove | 1 | Son | — | Maryland |
| 77 | Reuben Harrison | 36 | Head | Chauffeur | Maryland |
| 78 | Julia Harrison | 34 | Wife | Housewife | Maryland |
| 79 | John Harrison | 13 | Son | — | Maryland |
| 80 | Reuben Harrison | 12 | Son | — | Maryland |
| 81 | Alice Harrison | 9 | Daughter | — | Maryland |
| 82 | Samuel Harrison | 7 | Son | — | Maryland |
| 83 | Barbara Harrison | 5 | Daughter | — | Maryland |
| 84 | Julia Harrison | 3 | Daughter | — | Maryland |
| 85 | James Harrison | 1 | Son | — | Maryland |
| 86 | Robert Harrison | 24 | Nephew | Laborer | Maryland |
| 87 | Ethel Harrison | 20 | Niece | Maid | Maryland |
| 88 | David Mason | 49 | Head | Laborer | Virginia |
| 89 | Lulu Mason | 47 | Wife | Housewife | Virginia |
| 90 | Horace Mason | 30 | Son | Laborer | Virginia |
| 91 | James Mason | 24 | Son | Laborer | Virginia |
| 92 | Marie Mason | 21 | Daughter | Housework | Virginia |
| 93 | Maggie Mason | 19 | Daughter | Laborer | Virginia |
| 94 | Lucille Mason | 17 | Daughter | Laborer | Virginia |
| 95 | Louise Mason | 13 | Daughter | — | Virginia |
| 96 | Annie Mason | 11 | Daughter | — | Virginia |
| 97 | Emma Mason | 10 | Daughter | — | Virginia |
| 98 | Albert Mason | 8 | Son | — | Virginia |
| 99 | George Mason | 5 | Son | — | Virginia |
| 100 | James Young | 2 | Son | — | Maryland |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)