JB
John Barnes — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Baltimore-City-County, Maryland
Our Model Tree links this John Barnes across the 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed) — first a head (b.~1883), then head of a 10-person household.
Age 57
b. ~1883
Male
Head
Born: Maryland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Barnes |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Additional Details | |
| Occupation | Watchman |
| Industry | Ship Yard |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 676 |
| Highest Grade | No 3 |
| 1935 Residence | Same Place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Watchman |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1883 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Frances Barnes | Daughter | — | 7 | ~1933 |
| John Barnes | Head | — | 57 | ~1883 |
| John Barnes | Son | — | 14 | ~1926 |
| Thomas Barnes | Son | — | 9 | ~1931 |
| Joseph Barnes | Son | — | 17 | ~1923 |
| Francis Barnes | Son | — | 14 | ~1926 |
| William Barnes | Son | — | 29 | ~1911 |
| Elmer Barnes | Son | — | 15 | ~1925 |
| Paul Barnes | Son | — | 10 | ~1930 |
| Mary Barnes | Spouse | — | 44 | ~1896 |
Census Appearances
1930
Baltimore, Maryland
Head, age 45
Baltimore, Maryland · implied b. ~1885 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Barnes |
| Given Name | John S. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| 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
Head, age 57
Baltimore-City-County, Maryland · implied b. ~1883 — 10 household members
| Surname | Barnes |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Occupation | Watchman |
| Industry | Ship Yard |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 676 |
| Highest Grade | No 3 |
| 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 John Barnes across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Barnes
Head · 1940 · age 57 · b. ~1883 · Maryland
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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-t0627-01535-00704)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Evelyn Sears | 10 | Daughter | — | Maryland |
| 2 | Anna Sears | 9 | Daughter | — | Maryland |
| 3 | Louis Sears | 8 | Son | — | Maryland |
| 4 | Charles Sears | 6 | Son | — | Maryland |
| 5 | Sara Sears | 5 | Daughter | — | Maryland |
| 6 | Doris Sears | 4 | Daughter | — | Maryland |
| 7 | Harry Sears | 3 | Son | — | Maryland |
| 8 | William Sears | 2 | Son | — | Maryland |
| 9 | Scott Morton | 37 | Head | Mixer | Maryland |
| 10 | Anna Morton | 34 | Wife | — | Maryland |
| 11 | Jean Morton | 13 | Daughter | — | Maryland |
| 12 | Arthur Morton | 11 | Son | — | Maryland |
| 13 | Lorraine Morton | 10 | Daughter | — | Maryland |
| 14 | Patrick Morton | 8 | Son | — | Maryland |
| 15 | Hilda Morton | 5 | Daughter | — | Maryland |
| 16 | Jeanne Morton | 3 | Daughter | — | Maryland |
| 17 | Katherine Morton | 1 | Daughter | — | Maryland |
| 18 | Howard Connebaugh | 33 | Head | — | Maryland |
| 19 | Margaret Timmons | 40 | Sister | — | Maryland |
| 20 | James Timmons | 6 | Nephew | — | Maryland |
| 21 | Joseph Timmons | 4 | Nephew | — | Maryland |
| 22 | Khelmine Medina | 14 | Heir | — | Maryland |
| 23 | Reginald Clough | 24 | Head | Laborer | Maryland |
| 24 | Rena Laughlin | 68 | Head | — | Virginia |
| 25 | Clarence Grimes | 33 | Head | Laborer | Maryland |
| 26 | Katie Grimes | 27 | Wife | — | Maryland |
| 27 | Pauline Grimes | 6 | Daughter | — | Maryland |
| 28 | Donald Grimes | 3 | Son | — | Maryland |
| 29 | Theodore Grimes | 2 | Son | — | Maryland |
| 30 | John Barnes THIS PERSON | 57 | Head | Watchman | Maryland |
| 31 | Mary Barnes | 44 | Wife | Domestic | Maryland |
| 32 | William Barnes | 29 | Son | Laborer | Maryland |
| 33 | Francis Barnes | 14 | Son | Laborer | Maryland |
| 34 | Joseph Barnes | 17 | Son | New Worker | Maryland |
| 35 | Elmer Barnes | 15 | Son | — | Maryland |
| 36 | John Jr. Barnes | 14 | Son | — | Maryland |
| 37 | Paul Barnes | 10 | Son | — | Maryland |
| 38 | Thomas Barnes | 9 | Son | — | Maryland |
| 39 | Frances Barnes | 7 | Daughter | — | Maryland |
| 40 | William Walton | 46 | Head | Painter | 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)