JD
John Day — 1940 US Census Record
Model Tree available1940 United States Federal Census · Jones-County, Mississippi
Our Model Tree links this John Day across the 1920, 1930 and 1940 US Censuses in Jones-County, Mississippi (XGBoost, ~Confirmed), with identified parents Alonzo & Dora — first a head (b.~1907), then head of a 3-person household.
Age 33
b. ~1907
Male
Head
Born: Mississippi
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Jones-County, Mississippi |
| Surname | Day |
| Given Name | John W. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Mississippi |
| 1935 Residence (City) | Jackson |
| 1935 Residence (County) | Hinds |
| Additional Details | |
| Occupation | Lineman |
| Industry | Southern Bell Telephone Co |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 450 |
| Highest Grade | Hs 4 |
| 1935 Residence | Mississippi |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
| Occupation | Lineman |
| Township / Ward | Laurel City |
| Est. Birth Year | ~1907 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Day | Head | — | 33 | ~1907 |
| Billy Day | Son | — | 8 | ~1932 |
| Levon Day | Spouse | — | 33 | ~1907 |
Census Appearances
1920
Jones, Mississippi
Son, age 13
Jones, Mississippi · implied b. ~1907 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Day |
| Given Name | Johnie |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Mississippi |
| Father's Birthplace | Mississippi |
| Mother's Birthplace | Mississippi |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
1930
Jones, Mississippi
Son, age 26
Jones, Mississippi · implied b. ~1904 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Day |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Mississippi |
| Father's Birthplace | Mississippi |
| Mother's Birthplace | Mississippi |
| Can Read/Write | Yes |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
1940
Jones-County, Mississippi
Head, age 33
Jones-County, Mississippi · implied b. ~1907 — 3 household members
| Surname | Day |
| Given Name | John W. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Mississippi |
| 1935 Residence (City) | Jackson |
| 1935 Residence (County) | Hinds |
| Occupation | Lineman |
| Industry | Southern Bell Telephone Co |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 450 |
| Highest Grade | Hs 4 |
| 1935 Residence | Mississippi |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
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 Day across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Alonzo Day (~0.92 confidence) and mother Dora Day (~0.92 confidence) and father Alonzo Day (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Alonzo Day
b. ~1875
Source father
● Household
· direct · ~0.92
Mother
Dora Day
b. ~1884
Source mother
● Household
· direct · ~0.92
Father
Alonzo Day
b. ~1888
Source father
● Household
· direct · ~0.92
This person
Anchor record
John Day
Head · 1940 · age 33 · b. ~1907 · Mississippi
★ 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 — Jones-County, Mississippi
Open full size
1940 US Federal Census — Jones-County, Mississippi
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02035-00297)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Annie Hull | 44 | Wife | Rooming-House | Alabama |
| 2 | Mary Ruth Hull | 18 | Daughter | — | Mississippi |
| 3 | Mattie Alice Ellis | 84 | Mother | — | Alabama |
| 4 | Lexie Ford | 23 | Lodger | Waitress | Mississippi |
| 5 | Ruby Simpson | 22 | Lodger | Waitress | Mississippi |
| 6 | Robert Mccullough | 23 | Lodger | Inspector | Mississippi |
| 7 | Henry Simpson Lay | 44 | Lodger | Inspector | Mississippi |
| 8 | Leslie M. Glade | 24 | Lodger | Clerk | Mississippi |
| 9 | Joe King | 24 | Lodger | Laborer | Mississippi |
| 10 | George Mcdaniel | 68 | Lodger | Carpenter | Louisiana |
| 11 | Robert Mcmanus | 26 | Lodger | Driver | Mississippi |
| 12 | James Overstreet | 23 | Lodger | Waiter | Mississippi |
| 13 | Bradley Suddith | 27 | Head | Manager | Mississippi |
| 14 | Willie Mae Suddith | 23 | Wife | — | Mississippi |
| 15 | Barbara Suddith | 0 | Daughter | — | Mississippi |
| 16 | Robert Rowell | 37 | Head | Proprietor | Mississippi |
| 17 | Georgia Rowell | 29 | Wife | Saleslady | Mississippi |
| 18 | Jean Rushton | 12 | Sister-in-law | — | Mississippi |
| 19 | Carl Herman | 56 | Head | Music Machine | Mississippi |
| 20 | Beatrice Herman | 45 | Wife | — | Pennsylvania |
| 21 | Francis Herman | 26 | Daughter | Stenographer | Mississippi |
| 22 | Elsie Herman | 22 | Daughter | — | Mississippi |
| 23 | Charles C. Gregory | 27 | Head | Outside Salesman | Tennessee |
| 24 | Ann Gregory | 24 | Wife | — | Tennessee |
| 25 | John W. Day THIS PERSON | 33 | Head | Lineman | Mississippi |
| 26 | Levon Day | 33 | Wife | — | Mississippi |
| 27 | Billy Day | 8 | Son | — | Mississippi |
| 28 | Thomas Norris | 19 | Head | Clerk | Mississippi |
| 29 | Bella Norris | 46 | Mother | — | Mississippi |
| 30 | Mary Norris | 13 | Daughter | — | Mississippi |
| 31 | Margaret Norris | 9 | Sister | — | Mississippi |
| 32 | Chandler Mageley | 21 | Lodger | Night Clerk | Mississippi |
| 33 | Mrs. Minnie Wells | 62 | Head | Clerk | Mississippi |
| 34 | Jettie Wells | 52 | Wife | — | Mississippi |
| 35 | Daughter Wells | None | F | Mississippi Power Co | — |
| 36 | Ruth Adams | 40 | Head | Apt. House Keeper | Georgia |
| 37 | Robert Wells | 24 | Lodger | Laborer | Mississippi |
| 38 | Ethel Wells | 23 | Lodger | — | Mississippi |
| 39 | Thomas Horton | 61 | Lodger | — | Georgia |
| 40 | Ruth Clements | 31 | Lodger | Operator | Georgia |
Related Census Records
Pedigree Summary
John
Gen 1 · 3 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)