MJ
Mildred Jones — 1940 US Census Record
Model Tree available1940 United States Federal Census · Delaware-County, Indiana
Our Model Tree links this Mildred Jones across the 1920, 1930 and 1940 US Censuses in Delaware-County, Indiana (XGBoost, ~Confirmed), with identified parents William & William — first a daughter (b.~1905), then head of a 6-person household.
Age 35
b. ~1905
Female
Daughter
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Delaware-County, Indiana |
| Surname | JONES |
| Given Name | Mildred J |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Muncie City |
| 1935 Residence (County) | Delaware |
| Additional Details | |
| Occupation | Clerk |
| Industry | Retail Groc |
| Class of Worker | PW |
| Hours Worked | 62 |
| Income (1939) | 1001 |
| Highest Grade | No 4 |
| 1935 Residence | Same House |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Clerk |
| Township / Ward | Muncie City |
| Est. Birth Year | ~1905 |
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 Mildred | Age | Birth yr |
|---|---|---|---|---|
| Mildred Jones | Daughter | — | 35 | ~1905 |
| Helen Lacy | Daughter | — | 40 | ~1900 |
| William Jones | Head | — | 86 | ~1854 |
| Theodore Lacy | Other | — | 38 | ~1902 |
| Theodore Lacy | Other | — | 11 | ~1929 |
| Dora Jones | Spouse | — | 67 | ~1873 |
Census Appearances
1920
Delaware, Indiana
Daughter, age 14
Delaware, Indiana · implied b. ~1906 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jones |
| Given Name | Mildred |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Delaware, Indiana
Daughter, age 24
Delaware, Indiana · implied b. ~1906 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jones |
| Given Name | Mildred D. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | Saleswoman |
| Industry | Market |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Delaware-County, Indiana
Daughter, age 35
Delaware-County, Indiana · implied b. ~1905 — 6 household members
| Surname | JONES |
| Given Name | Mildred J |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Muncie City |
| 1935 Residence (County) | Delaware |
| Occupation | Clerk |
| Industry | Retail Groc |
| Class of Worker | PW |
| Hours Worked | 62 |
| Income (1939) | 1001 |
| Highest Grade | No 4 |
| 1935 Residence | Same House |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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 Mildred Jones across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Jones (~0.92 confidence) and father William Jones (~0.92 confidence) and father William Jones (~0.92 confidence) and mother Nora Jones (~0.92 confidence) and mother Dora Jones (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Jones
b. ~1854
Source father
● Household
· direct · ~0.92
Father
William Jones
b. ~1854
Source father
● Household
· direct · ~0.92
Father
William Jones
b. ~1854
Source father
● Household
· direct · ~0.92
Mother
Nora Jones
b. ~1872
Source mother
● Household
· direct · ~0.92
Mother
Dora Jones
b. ~1873
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mildred Jones
Daughter · 1940 · age 35 · b. ~1905 · Indiana
★ You are viewing this record
Sibling
Helen Lacy
Sibling · 1940 · age 40
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 — Delaware-County, Indiana
Open full size
1940 US Federal Census — Delaware-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01037-00400)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Theodore R Boles | 38 | Head | Tool Checker | Tennessee |
| 2 | Louie F Boles | 32 | Wife | — | Tennessee |
| 3 | Vivian A Boles | 13 | Daughter | — | Tennessee |
| 4 | Sybil B Boles | 11 | Daughter | — | Tennessee |
| 5 | Kathrine H Boles | 9 | Daughter | — | Tennessee |
| 6 | Claudine T Boles | 6 | Daughter | — | Tennessee |
| 7 | Taylor G Guinn | 32 | Head | Riveter | Kentucky |
| 8 | Mable Guinn | 28 | Wife | — | Kentucky |
| 9 | Barbra J Guinn | 6 | Daughter | — | Kentucky |
| 10 | Betty J Guinn | 4 | Daughter | — | Indiana |
| 11 | William H Jones | 86 | Head | Farm Work | Indiana |
| 12 | Dora E Jones | 67 | Wife | — | Indiana |
| 13 | Mildred J Jones THIS PERSON | 35 | Daughter | Clerk | Indiana |
| 14 | Theodore C Lacy | 38 | Son-in-law | Inspector | Indiana |
| 15 | Helen K Lacy | 40 | Daughter | — | Indiana |
| 16 | Theodore B Lacy | 11 | Grandson | — | Indiana |
| 17 | Ray D Chancellor | 25 | Head | Machinist | Indiana |
| 18 | Ruth Chancellor | 25 | Wife | — | Indiana |
| 19 | Max L Chancellor | 2 | Son | — | Indiana |
| 20 | Lillie R Thomas | 69 | Head | — | Indiana |
| 21 | Frederick B Hall | 36 | Lodger | Sand Blaster | Indiana |
| 22 | Irene Hall | 26 | Lodger | — | Indiana |
| 23 | William A Hall | 5 | Son | — | Indiana |
| 24 | Myrna L Hall | 2 | Daughter | — | Indiana |
| 25 | Charles E Donald | 65 | Head | Clerk | Ohio |
| 26 | Bessie E Donald | 54 | Wife | — | Indiana |
| 27 | Guy R Craig | 40 | Head | Inspector | Indiana |
| 28 | Ida F Craig | 36 | Wife | — | Indiana |
| 29 | William H Craig | 15 | Son | — | Indiana |
| 30 | Virginia J Craig | 13 | Daughter | — | Indiana |
| 31 | Dickey E Craig | 8 | Son | — | Indiana |
| 32 | Richard Jones | 49 | Head | Caretaker | Ohio |
| 33 | Ida E Jones | 54 | Wife | — | Indiana |
| 34 | Lee Nunemaker | 44 | Head | Truck Driver | Indiana |
| 35 | Ruby M Nunemaker | 38 | Wife | — | Indiana |
| 36 | Allen L Ross | 69 | Head | Grocer | Indiana |
| 37 | Pearl M Ross | 63 | Wife | — | Indiana |
| 38 | Robert Shram | 31 | Head | Manager | Ohio |
| 39 | Martha M Shram | 26 | Wife | — | Indiana |
| 40 | Joyce H Shram | 8 | Daughter | — | Indiana |
Related Census Records
Pedigree Summary
Mildred + 1 sibling
Gen 1 · 5 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)