JH
John Harris — 1940 US Census Record
Model Tree available1940 United States Federal Census · District-Of-Columbia-County, District of Columbia
Our Model Tree links this John Harris across the 1920, 1930 and 1940 US Censuses in District-Of-Columbia-County, District of Columbia (XGBoost, ~Confirmed), with identified parents Carrie — first a head (b.~1897), then head of a 6-person household.
Age 43
b. ~1897
Male
Head
Born: Virginia
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | District-Of-Columbia-County, District of Columbia |
| Surname | Harris |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Virginia |
| 1935 Residence (City) | Washington |
| 1935 Residence (County) | District Of Columbia |
| Additional Details | |
| Occupation | Laborer |
| Industry | Gen. Eng. & Const. |
| Class of Worker | PW |
| Hours Worked | 45 |
| Income (1939) | 1200 |
| Highest Grade | No 6 |
| 1935 Residence | Same house |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
| Occupation | Laborer |
| Township / Ward | Washington |
| Est. Birth Year | ~1897 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Harris | Head | — | 43 | ~1897 |
| Thomas Younger | Other | — | 25 | ~1915 |
| William Harris | Son | — | 15 | ~1925 |
| Nelson Harris | Son | — | 13 | ~1927 |
| Frederick Harris | Son | — | 18 | ~1922 |
| Mary Harris | Spouse | — | 37 | ~1903 |
Census Appearances
1920
District Of …
Son, age 26
District Of Columbia, District of Columbia · implied b. ~1894 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harris |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Virginia |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Occupation | Fireman |
| Industry | Washington |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
1930
None, District …
Head, age 35
None, District of Columbia · implied b. ~1895
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Harris |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 35 |
| Marital Status | Single |
| Birthplace | Virginia |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Occupation | Laborer |
| Industry | Contractor |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | $33.00 |
| Radio Set | R |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
1940
District-Of-Columbia-County, District …
Head, age 43
District-Of-Columbia-County, District of Columbia · implied b. ~1897 — 6 household members
| Surname | Harris |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Virginia |
| 1935 Residence (City) | Washington |
| 1935 Residence (County) | District Of Columbia |
| Occupation | Laborer |
| Industry | Gen. Eng. & Const. |
| Class of Worker | PW |
| Hours Worked | 45 |
| Income (1939) | 1200 |
| Highest Grade | No 6 |
| 1935 Residence | Same house |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
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 Harris across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: mother Carrie Harris (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Carrie Harris
b. ~1863
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Harris
Head · 1940 · age 43 · b. ~1897 · District of Columbia
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — District-Of-Columbia-County, District of Columbia
Open full size
1940 US Federal Census — District-Of-Columbia-County, District of Columbia
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00568-00100)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Doris Smith | 10 | Daughter | — | Wash. D.C. |
| 42 | Ella Mobley | 67 | Lodger | — | Georgia |
| 43 | Mary B. Ware | 51 | Head | Restaurant Owner | Virginia |
| 44 | James E. Moore | 41 | Brother | Waiter | Virginia |
| 45 | John E. Allen | 44 | Head | Laborer | Wash. D.C. |
| 46 | Ruth Allen | 40 | Wife | — | Virginia |
| 47 | Joseph Gordon | 38 | Brother-in-law | Laborer | Virginia |
| 48 | Hattie Gordon | 40 | Sister-in-law | — | Virginia |
| 49 | Joseph Jr. Gordon | 10 | Nephew | — | Virginia |
| 50 | Eudora | 39 | Sister-in-law | Maid | Virginia |
| 51 | Clara B. Rolling | 60 | Head | — | Mississippi |
| 52 | William E. Rolling | 35 | Son | Laborer | Mississippi |
| 53 | Annie Jones | 25 | Daughter | — | Mississippi |
| 54 | James A. Bannister | 40 | Head | Chauffer | North Carolina |
| 55 | Winifred Bannister | 15 | Daughter | — | Virginia |
| 56 | Benjamin Gaston | 50 | Lodger | Machinist Helper | Maryland |
| 57 | Richard Jackson | 24 | Lodger | Tailor | Wash. D.C. |
| 58 | — | None | — | — | — |
| 59 | Matilda Money | 52 | Head | — | Maryland |
| 60 | John Harris THIS PERSON | 43 | Head | Laborer | Virginia |
| 61 | Mary Harris | 37 | Wife | Maid | Virginia |
| 62 | Frederick Harris | 18 | Son | Bus Boy | Virginia |
| 63 | William Harris | 15 | Son | — | Virginia |
| 64 | Nelson Harris | 13 | Son | — | Wash. D.C. |
| 65 | Thomas Younger | 25 | Brother-in-law | Laborer | Virginia |
| 66 | Nanny F. Adams | 66 | Head | — | Virginia |
| 67 | James Allen | 50 | Head | Plumber | South Carolina |
| 68 | Mary Allen | 47 | Wife | Maid | South Carolina |
| 69 | John Allen | 19 | Son | New Worker | Wash. D.C. |
| 70 | Elizabeth Allen | 16 | Daughter | — | Wash. D.C. |
| 71 | Mary Allen | 15 | Daughter | — | Wash. D.C. |
| 72 | Hilda Allen | 14 | Daughter | — | Wash. D.C. |
| 73 | Jean Allen | 7 | Daughter | — | Wash. D.C. |
| 74 | Frederick Allen | 2 | Son | — | South Carolina |
| 75 | Alice Fryer | 25 | Daughter | — | South Carolina |
| 76 | Mack Allen | 22 | Son | Truck Driver | South Carolina |
| 77 | Pauline Allen | 25 | Daughter-in-law | — | New Jersey |
| 78 | Maude Quann | 47 | Head | Maid | Maryland |
| 79 | Maude C. Quann | 24 | Daughter | Maid | Maryland |
| 80 | Eleanor Quann | 21 | Daughter | — | Maryland |
Pedigree Summary
John
Gen 1 · 1 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)