ML
Mildred Long — 1940 US Census Record
Model Tree available1940 United States Federal Census · Morgan-County, Illinois
Our Model Tree links this Mildred Long across the 1920, 1930 and 1940 US Censuses in Morgan-County, Illinois (XGBoost, ~Confirmed), with identified parents Burton & Jack — first a daughter (b.~1917), then head of a 4-person household.
Age 23
b. ~1917
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Morgan-County, Illinois |
| Surname | Long |
| Given Name | Mildred |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Jacksonville |
| 1935 Residence (County) | Morgan |
| Additional Details | |
| Industry | housework |
| Class of Worker | NP |
| Highest Grade | H 4 |
| 1935 Residence | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Jacksonville |
| Est. Birth Year | ~1917 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mildred | Age | Birth yr |
|---|---|---|---|---|
| Jack Long | Head | — | 48 | ~1892 |
| Alma Long | Daughter | — | 18 | ~1922 |
| Mildred Long | Daughter | — | 23 | ~1917 |
| Anna Long | Spouse | — | 48 | ~1892 |
Census Appearances
1920
Morgan, Illinois
Daughter, age
Morgan, Illinois · implied b. ~1920 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Long |
| Given Name | Mildred |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Morgan, Illinois
Daughter, age 10
Morgan, Illinois · implied b. ~1920 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Long |
| Given Name | Mildred |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Morgan-County, Illinois
Daughter, age 23
Morgan-County, Illinois · implied b. ~1917 — 4 household members
| Surname | Long |
| Given Name | Mildred |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Jacksonville |
| 1935 Residence (County) | Morgan |
| Industry | housework |
| Class of Worker | NP |
| Highest Grade | H 4 |
| 1935 Residence | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Long across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Burton Long (~0.92 confidence) and father Jack Long (~0.92 confidence) and father Jacoba Long (~0.92 confidence) and mother Amelia Long (~0.92 confidence) and mother Anna Long (~0.92 confidence) and mother Anna Long (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Burton Long
b. ~1879
Source father
● Household
· direct · ~0.92
Father
Jack Long
b. ~1892
Source father
● Household
· direct · ~0.92
Father
Jacoba Long
b. ~1892
Source father
● Household
· direct · ~0.92
Mother
Amelia Long
b. ~1883
Source mother
● Household
· direct · ~0.92
Mother
Anna Long
b. ~1893
Source mother
● Household
· direct · ~0.92
Mother
Anna Long
b. ~1892
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mildred Long
Daughter · 1940 · age 23 · b. ~1917 · Illinois
★ You are viewing this record
Sibling
Alma Long
Sibling · 1940 · age 18
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 — Morgan-County, Illinois
Open full size
1940 US Federal Census — Morgan-County, Illinois
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-00861-00562)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mayna Massey | 24 | daughter | Secretary | Illinois |
| 2 | Katherine Massey | 15 | daughter | — | Illinois |
| 3 | George Hobbins | 32 | Head | Mechanic | Illinois |
| 4 | Helen R. Hobbins | 31 | Wife | — | Missouri |
| 5 | Charles Hobbins | 9 | brother | — | Illinois |
| 6 | George Shires | 50 | Head | Janitor | Illinois |
| 7 | Mary Shires | 48 | Wife | — | Illinois |
| 8 | Genevieve Shires | 28 | daughter | Telephone Operator | Illinois |
| 9 | Alpheus Shires | 24 | son | Clerk | Illinois |
| 10 | William Mosley | 46 | Head | Barber | Illinois |
| 11 | Lula Mosley | 46 | Wife | — | Kentucky |
| 12 | Cecile Mosley | 23 | son | Barber | Illinois |
| 13 | Mable Mosley | 20 | daughter | — | Illinois |
| 14 | Beccie Lu Rice | 6 | granddaughter | — | Illinois |
| 15 | Richard Springer | 23 | Head | Attendant | Illinois |
| 16 | Waneta Springer | 23 | Wife | — | Illinois |
| 17 | Robert Springer | 2 | son | — | Illinois |
| 18 | — | None | — | — | — |
| 19 | Clark Green | 53 | Head | — | Illinois |
| 20 | Jack Long | 48 | Head | Druggist | Illinois |
| 21 | Anna Long | 48 | Wife | — | Illinois |
| 22 | Mildred Long THIS PERSON | 23 | daughter | — | Illinois |
| 23 | Alma Long | 18 | daughter | — | Illinois |
| 24 | William Meyers | 52 | Head | Barber | Illinois |
| 25 | Jessie Meyers | 48 | Wife | — | Illinois |
| 26 | Richard Deutscher | 14 | son | — | Illinois |
| 27 | Merle Deutscher | 11 | son | — | Illinois |
| 28 | George C. Lamb | 42 | Head | Telegraph Operator | Illinois |
| 29 | Julia A. Lamb | 37 | Wife | — | Illinois |
| 30 | Edna Fern Lamb | 17 | daughter | — | Illinois |
| 31 | Edward Lamb | 15 | son | — | Illinois |
| 32 | Dona Jane Lamb | 11 | daughter | — | Illinois |
| 33 | Elsworth Marshall | 29 | Head | Salesman | Illinois |
| 34 | Opal Marshall | 28 | Wife | Nurse | Iowa |
| 35 | Lumain D. Allen | 63 | Head | Grocery | Illinois |
| 36 | Lena Allen | 60 | Wife | — | Illinois |
| 37 | Lee Tendick | 39 | Head | Laborer | Illinois |
| 38 | Marjorie Tendick | 31 | Wife | — | Illinois |
| 39 | Doris Tendick | 7 | daughter | — | Illinois |
Pedigree Summary
Mildred + 1 sibling
Gen 1 · 6 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)