MK
Mildred King — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Massac-County, Illinois
Our Model Tree links this Mildred King across the 1930 and 1940 US Censuses in Massac-County, Illinois (XGBoost, ~Confirmed) — first a daughter (b.~1929), then head of a 9-person household.
Age 11
b. ~1929
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Massac-County, Illinois |
| Surname | King |
| Given Name | Mildred J. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Jackson Precinct |
| 1935 Residence (County) | Massac |
| Additional Details | |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Jackson Precinct |
| Est. Birth Year | ~1929 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mildred | Age | Birth yr |
|---|---|---|---|---|
| Ada King | Daughter | — | 9 | ~1931 |
| Margie King | Daughter | — | 13 | ~1927 |
| Arthur King | Head | — | 41 | ~1899 |
| Mildred King | Daughter | — | 11 | ~1929 |
| Virginia King | Daughter | — | 15 | ~1925 |
| Melvin King | Son | — | 17 | ~1923 |
| Ada King | Spouse | — | 40 | ~1900 |
| Zora King | Daughter | — | 5 | ~1935 |
| Thelma King | Daughter | — | 18 | ~1922 |
Census Appearances
1930
Massac, Illinois
Daughter, age 1
Massac, Illinois · implied b. ~1929 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | King |
| Given Name | Mildred I |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| 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
Massac-County, Illinois
Daughter, age 11
Massac-County, Illinois · implied b. ~1929 — 9 household members
| Surname | King |
| Given Name | Mildred J. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Jackson Precinct |
| 1935 Residence (County) | Massac |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| 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 King across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mildred King
Daughter · 1940 · age 11 · b. ~1929 · Illinois
★ You are viewing this record
Sibling
Zora King
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thelma King
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Melvin King
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Virginia King
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margie King
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ada King
Sibling · 1940 · age 9
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 — Massac-County, Illinois
Open full size
1940 US Federal Census — Massac-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00856-00176)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Kenneth Ferrell | 28 | Son | Mate | Illinois |
| 2 | Alberta Ferrell | 26 | Daughter-in-law | — | Illinois |
| 3 | Cleo L. Ferrell | 4 | Granddaughter | — | Illinois |
| 4 | Elzy Q. Gibson | 55 | Head | Laborer | Illinois |
| 5 | Tyre Q. Angelly | 35 | Head | Laborer | Illinois |
| 6 | Ethel Angelly | 30 | Wife | — | Illinois |
| 7 | Dorothy Angelly | 11 | Daughter | — | Illinois |
| 8 | Lawrence Madden | 52 | Head | Laborer | Illinois |
| 9 | Lena Madden | 46 | Wife | — | Illinois |
| 10 | Paul Madden | 22 | Son | Laborer | Illinois |
| 11 | Milburn Ferrell | 54 | Head | Time Keeper | Illinois |
| 12 | Willie H. Parris | 26 | Head | Laborer | Illinois |
| 13 | Doris W. Parris | 24 | Wife | — | Illinois |
| 14 | Jackie L. Parris | 2 | Son | — | Illinois |
| 15 | Shirley F. Parris | 0 | Son | — | Illinois |
| 16 | Troy Barrett | 37 | Head | Laborer | Illinois |
| 17 | Ruby Barrett | 34 | Wife | — | Illinois |
| 18 | James E. Barrett | 3 | Son | — | Illinois |
| 19 | William Whitley | 59 | Head | Laborer | Illinois |
| 20 | Ivy Whitley | 31 | Wife | — | Illinois |
| 21 | Finnie A. Whitley | 11 | Son | — | Illinois |
| 22 | William A. Jr. Whitley | 9 | Son | — | Illinois |
| 23 | Lilas R. Whitley | 7 | Son | — | Illinois |
| 24 | Arthur King | 41 | Head | Road Foreman | Illinois |
| 25 | Ada King | 40 | Wife | — | Illinois |
| 26 | Thelma L. King | 18 | Daughter | Sewing Project | Illinois |
| 27 | Melvin L. King | 17 | Son | Laborer | Illinois |
| 28 | Virginia A. King | 15 | Daughter | — | Illinois |
| 29 | Margie R. King | 13 | Daughter | — | Illinois |
| 30 | Mildred J. King THIS PERSON | 11 | Daughter | — | Illinois |
| 31 | Ada M. King | 9 | Daughter | — | Illinois |
| 32 | Zora L. King | 5 | Daughter | — | Illinois |
| 33 | Rola C. King | 70 | Head | — | Illinois |
| 34 | Rola C. Jr. King | 19 | Son | Farmer | Illinois |
| 35 | Lyre L. Arens | 22 | Head | Laborer | Illinois |
| 36 | Alberta Arens | 19 | Wife | — | Illinois |
| 37 | Billie J. Arens | 3 | Son | — | Illinois |
| 38 | Lon O. Mccandless | 56 | Head | Road Foreman | Illinois |
| 39 | Pearl Mccandless | 55 | Wife | — | Illinois |
| 40 | Zal D. Mccandless | 21 | Son | Warehouse Clerk | Illinois |
Related Census Records
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)