LJ
Louis Jones — 1940 US Census Record
Linked across censuses1940 United States Federal Census · District-Of-Columbia-County, District of Columbia
Our Model Tree links this Louis Jones across the 1930 and 1940 US Censuses in District-Of-Columbia-County, District of Columbia (XGBoost, ~Confirmed) — first a son (b.~1927), then head of a 7-person household.
Age 13
b. ~1927
Male
Son
Born: Georgia
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | District-Of-Columbia-County, District of Columbia |
| Surname | Jones |
| Given Name | Louis |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Georgia |
| 1935 Residence (City) | Washington city |
| 1935 Residence (County) | District Of Columbia |
| Additional Details | |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
| Township / Ward | Washington City |
| Est. Birth Year | ~1927 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Louis | Age | Birth yr |
|---|---|---|---|---|
| Louise Jones | Daughter | — | 13 | ~1927 |
| Walter Jones | Head | — | 45 | ~1895 |
| Louis Jones | Son | — | 13 | ~1927 |
| Nathan Jones | Son | — | 16 | ~1924 |
| Robert Jones | Son | — | 9 | ~1931 |
| Walter Jones | Son | — | 18 | ~1922 |
| Mary Jones | Spouse | — | 42 | ~1898 |
Census Appearances
1930
None, District …
Son, age 3
None, District of Columbia · implied b. ~1927 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jones |
| Given Name | Louis |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Georgia |
| Father's Birthplace | S. Carolina |
| Mother's Birthplace | Georgia |
| Can Read/Write | Yes |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
1940
District-Of-Columbia-County, District …
Son, age 13
District-Of-Columbia-County, District of Columbia · implied b. ~1927 — 7 household members
| Surname | Jones |
| Given Name | Louis |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Georgia |
| 1935 Residence (City) | Washington city |
| 1935 Residence (County) | District Of Columbia |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
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 Louis Jones across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Louis Jones
Son · 1940 · age 13 · b. ~1927 · District of Columbia
★ You are viewing this record
Sibling
Robert Jones
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Louise Jones
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Walter Jones
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nathan Jones
Sibling · 1940 · age 16
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 — 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-t0627-00564-00914)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William Penn | 75 | Head | Drill Presser | District of Columbia |
| 2 | Laura B. Penn | 68 | Wife | — | Michigan |
| 3 | Walter Jones | 45 | Head | Concrete Labor Foreman | South Carolina |
| 4 | Mary Jones | 42 | Wife | — | Georgia |
| 5 | Walter Jr. Jones | 18 | Son | Delivery Man | Georgia |
| 6 | Nathan Jones | 16 | Son | — | Georgia |
| 7 | Robert Jones | 9 | Son | — | District of Columbia |
| 8 | Louis Jones THIS PERSON | 13 | Son | — | Georgia |
| 9 | Louise Jones | 13 | Daughter | — | Georgia |
| 10 | Mary Fitzgerald | 50 | Head | — | District of Columbia |
| 11 | William Fitzgerald | 24 | Son | Engineer | District of Columbia |
| 12 | Nellie Fitzgerald | 18 | Daughter | — | Maryland |
| 13 | Tilghman Parker | 56 | Head | Supervisor | Virginia |
| 14 | Clara B. Parker | 59 | Wife | — | Virginia |
| 15 | Harry R. Martin | 34 | Head | Laundry Solicitor | Virginia |
| 16 | Helen Martin | 31 | Wife | — | Virginia |
| 17 | Barbara Martin | 6 | Daughter | — | Virginia |
| 18 | Nancy Sue Martin | 0 | Daughter | — | District of Columbia |
| 19 | Prentice Falconer | 34 | Brother-in-law | Office Clerk | Virginia |
| 20 | Lena A. Carter | 49 | Head | — | Virginia |
| 21 | Frank E. Carter | 27 | Son | Carpenter | District of Columbia |
| 22 | Helen W. Carter | 23 | Daughter-in-law | Mimeograph Operator | District of Columbia |
| 23 | Patrick W. Carter | 2 | Grandson | — | District of Columbia |
| 24 | Ruth O. Pell | 31 | Boarder | Carpenter | Pennsylvania |
| 25 | John W. Goodman | 63 | Head | Night Watchman | North Carolina |
| 26 | Maude V. Goodman | 55 | Wife | — | Virginia |
| 27 | Clinton W. Goodman | 26 | Son | Automobile Mechanic | District of Columbia |
| 28 | Thelma Gray Goodman | 32 | Daughter | Book Binder | District of Columbia |
| 29 | Leonard R. Gray | 9 | Grandson | — | District of Columbia |
| 30 | Rosa E. Mazingo | 25 | Boarder | Meat Packer | Virginia |
| 31 | Charles H. Cumming | 36 | Head | Machinists Helper | District of Columbia |
| 32 | Mildred V. Cumming | 35 | Wife | — | District of Columbia |
| 33 | Mildred T. Cumming | 12 | Daughter | — | District of Columbia |
| 34 | Charles R. Cumming | 7 | Son | — | District of Columbia |
| 35 | James R. Bowings | 47 | Head | Painter | Maryland |
| 36 | Bertha V. Bowings | 46 | Wife | — | District of Columbia |
| 37 | James R. Jr. Bowings | 16 | Son | Newsboy | District of Columbia |
| 38 | Melton P. Wells | 37 | Head | Street Car Switchman | District of Columbia |
| 39 | Hazel P. Wells | 36 | Wife | Office Cleaner | New York |
| 40 | Lloyd J. Wells | 18 | Son | New Worker | District of Columbia |
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)