ML
Mildred Long — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Jackson-County, Missouri
Our Model Tree links this Mildred Long across the 1930 and 1940 US Censuses in Jackson-County, Missouri (XGBoost, ~Confirmed) — first a daughter (b.~1924), then head of a 9-person household.
Age 16
b. ~1924
Female
Daughter
Born: Missouri
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Jackson-County, Missouri |
| Surname | Long |
| Given Name | Mildred L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Kansas City |
| 1935 Residence (County) | Jackson |
| Additional Details | |
| Occupation | Clerical |
| Industry | Retail Mail Order |
| Class of Worker | PW |
| Hours Worked | 3 |
| Income (1939) | 75 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Occupation | Clerical |
| Township / Ward | Kansas City |
| Est. Birth Year | ~1924 |
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 |
|---|---|---|---|---|
| Mildred Long | Daughter | — | 16 | ~1924 |
| Madge Long | Daughter | — | 27 | ~1913 |
| Archie Long | Head | — | 51 | ~1889 |
| Donald Elder | Other | — | 24 | ~1916 |
| Mabel Long | Daughter | — | 20 | ~1920 |
| Agnes Long | Spouse | — | 46 | ~1894 |
| Agatha Elder | Daughter | — | 24 | ~1916 |
| Archie Long | Daughter | — | 13 | ~1927 |
| Roy Long | Son | — | 16 | ~1924 |
Census Appearances
1930
Jackson, Missouri
Daughter, age 8
Jackson, Missouri · implied b. ~1922 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Long |
| Given Name | Mildred B. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Washington |
| Mother's Birthplace | Minnesota |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Jackson-County, Missouri
Daughter, age 16
Jackson-County, Missouri · implied b. ~1924 — 9 household members
| Surname | Long |
| Given Name | Mildred L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Kansas City |
| 1935 Residence (County) | Jackson |
| Occupation | Clerical |
| Industry | Retail Mail Order |
| Class of Worker | PW |
| Hours Worked | 3 |
| Income (1939) | 75 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
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 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mildred Long
Daughter · 1940 · age 16 · b. ~1924 · Missouri
★ You are viewing this record
Sibling
Roy Long
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mabel Long
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Archie Long
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Agatha Elder
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Madge Long
Sibling · 1940 · age 27
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 — Jackson-County, Missouri
Open full size
1940 US Federal Census — Jackson-County, Missouri
Page Contents
17 people indexed on this census page (nara:1940:m-t0627-02180-00622)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Gladys M. R. Moore | 34 | Wife | — | Missouri |
| 42 | Robert W. Moore | 15 | Son | — | Missouri |
| 43 | Julia Ann Moore | 7 | Daughter | — | Missouri |
| 44 | Aubrey Vanlandingham | 51 | Head | Loco. Fireman | Missouri |
| 45 | Agnes R. Vanlandingham | 48 | Wife | — | Indiana |
| 46 | Lloyd L. Dolph | 34 | Head | Engineer (Drafting) | Colorado |
| 47 | Esther M. Dolph | 27 | Wife | Substitute Teacher | Missouri |
| 48 | Judith M. Dolph | 0 | Daughter | 0 | Missouri |
| 49 | Archie L. Long | 51 | Head | Carpenter (Foreman) | Washington |
| 50 | Agnes P. Long | 46 | Wife | — | Minnesota |
| 51 | Madge M. Long | 27 | Daughter | Clerical | Missouri |
| 52 | Mabel E. Long | 20 | Daughter | Mail Order Clerk | Missouri |
| 53 | Mildred L. Long THIS PERSON | 16 | Daughter | Clerical | Missouri |
| 54 | Roy A. Long | 16 | Son | Thermo Repairer | Missouri |
| 55 | Archie L. Long | 13 | Daughter | — | Missouri |
| 56 | Donald H. Elder | 24 | Son-in-law | Auditor (Supervisor) | Illinois |
| 57 | Agatha Elder | 24 | Daughter | — | Minnesota |
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)