WG
William Gill — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Baltimore-City-County, Maryland
Our Model Tree links this William Gill across the 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed) — first a son (b.~1931), then head of a 5-person household.
Age 9
b. ~1931
Male
Son
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Gill |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore |
| 1935 Residence (County) | Baltimore |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | G 1 |
| 1935 Residence | Same Place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Baltimore |
| Est. Birth Year | ~1931 |
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 William | Age | Birth yr |
|---|---|---|---|---|
| Thos Gill | Son | — | 12 | ~1928 |
| William Gill | Son | — | 9 | ~1931 |
| Catherine Gill | Spouse | — | 29 | ~1911 |
| Thos Gill | Head | — | 39 | ~1901 |
| Lloyd Gill | Son | — | 7 | ~1933 |
Census Appearances
1930
Baltimore, Maryland
Son, age
Baltimore, Maryland · implied b. ~1930 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gill |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | North Carolina |
| Mother's Birthplace | North Carolina |
| Occupation | none |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Son, age 9
Baltimore-City-County, Maryland · implied b. ~1931 — 5 household members
| Surname | Gill |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore |
| 1935 Residence (County) | Baltimore |
| Class of Worker | 0 |
| Highest Grade | G 1 |
| 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 Gill across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Gill
Son · 1940 · age 9 · b. ~1931 · Maryland
★ You are viewing this record
Sibling
Thos Gill
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lloyd Gill
Sibling · 1940 · age 7
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-t0627-01541-00759)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Grace Richardson | 25 | Daughter | — | Maryland |
| 42 | Sarah Richardson | 4 | Daughter | — | Maryland |
| 43 | Thos. Gill | 39 | Head | Owner | Maryland |
| 44 | Catherine Gill | 29 | Wife | — | Maryland |
| 45 | Thos. Jr. Gill | 12 | Son | — | Maryland |
| 46 | William Gill THIS PERSON | 9 | Son | — | Maryland |
| 47 | Lloyd Gill | 7 | Son | — | Maryland |
| 48 | Henry Theber | 33 | Head | Mechanic | Maryland |
| 49 | Lillian Theber | 30 | Wife | Bookkeeper | Maryland |
| 50 | George Beakman | 9 | Son | — | Maryland |
| 51 | Norman Beakman | 5 | Son | — | Maryland |
| 52 | John Dunn | 47 | Head | Salesman | Maryland |
| 53 | Mary Dunn | 40 | Wife | Waitress | Maryland |
| 54 | William Dunn | 23 | Son | Catcher | Maryland |
| 55 | Gilbert Dunn | 21 | Son | Clerk | Maryland |
| 56 | John Dunn | 17 | Son | — | Maryland |
| 57 | Mary Dunn | 7 | Daughter | — | Maryland |
| 58 | Carl Johnson | 58 | Head | Tool Maker | Norway |
| 59 | Laura Johnson | 52 | Wife | — | Norway |
| 60 | Bertha Johnson | 19 | Daughter | In Training To Be A Nurse | New York |
| 61 | Elanor Johnson | 17 | Daughter | — | Maryland |
| 62 | Alfred Zimmerman | 50 | Head | Electrician | Germany |
| 63 | Marie Zimmerman | 48 | Wife | — | Germany |
| 64 | Harry Zimmerman | 21 | Son | Clerk | Maryland |
| 65 | William Zimmerman | 20 | Son | Electrician | Maryland |
| 66 | Edgar Zimmerman | 19 | Son | Tool Maker | Maryland |
| 67 | Neal M. Starr | 60 | Head | — | Maryland |
| 68 | Blanche Starr | 58 | Wife | — | Maryland |
| 69 | Chas. P. Starr | 30 | Son | Cook | Maryland |
| 70 | Henry Starr | 19 | Son | — | Maryland |
| 71 | Elmer George | 38 | Son in law | Painter | Maryland |
| 72 | Frances George | 28 | Daughter | — | Maryland |
| 73 | Harry Woolley | 29 | Son in law | Pressman | Maryland |
| 74 | Helen Woolley | 26 | Daughter | — | Maryland |
| 75 | Helen Woolley | 5 | Daughter | — | Maryland |
| 76 | Harry Woolley | 2 | Son | — | Maryland |
| 77 | Thos. Howard | 66 | Head | Huckster | Maryland |
| 78 | Rose Howard | 61 | Wife | — | Ohio |
| 79 | Charles Howard | 28 | Son | Furnace Man | Maryland |
| 80 | Harry Howard | 21 | Son | Laborer | Maryland |
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)