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Lillian Young — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Polk-County, Iowa
Our Model Tree links this Lillian Young across the 1930 and 1940 US Censuses in Polk-County, Iowa (XGBoost, ~Confirmed) — first a daughter (b.~1922), then head of a 11-person household.
Age 18
b. ~1922
Female
Daughter
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Polk-County, Iowa |
| Surname | Young |
| Given Name | Lillian E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Polk |
| Additional Details | |
| Highest Grade | H-3 |
| 1935 Residence | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Des Moines City |
| Est. Birth Year | ~1922 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Lillian | Age | Birth yr |
|---|---|---|---|---|
| Patricia Young | Daughter | — | ~1940 | |
| Myrtle Young | Spouse | — | 35 | ~1905 |
| Lillian Young | Daughter | — | 18 | ~1922 |
| Richard Young | Son | — | 1 | ~1939 |
| Maurice Young | Son | — | 11 | ~1929 |
| Donald Young | Son | — | 5 | ~1935 |
| Joseph Young | Son | — | 15 | ~1925 |
| Orval Young | Head | — | 40 | ~1900 |
| Loretta Young | Daughter | — | 8 | ~1932 |
| Frank Young | Son | — | 13 | ~1927 |
| Harry Young | Son | — | 17 | ~1923 |
Census Appearances
1930
Polk, Iowa
Daughter, age 8
Polk, Iowa · implied b. ~1922 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Young |
| Given Name | Lillian E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Polk-County, Iowa
Daughter, age 18
Polk-County, Iowa · implied b. ~1922 — 11 household members
| Surname | Young |
| Given Name | Lillian E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Polk |
| Highest Grade | H-3 |
| 1935 Residence | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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 Lillian Young across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Lillian Young
Daughter · 1940 · age 18 · b. ~1922 · Iowa
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Sibling
Harry Young
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Young
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frank Young
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Patricia Young
Sibling · 1940 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Young
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Loretta Young
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Maurice Young
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Young
Sibling · 1940 · age 1
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 — Polk-County, Iowa
Open full size
1940 US Federal Census — Polk-County, Iowa
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01196-01101)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Nicholas Keffler | 56 | Head | Laborer | Minnesota |
| 42 | Ollie M Keffler | 41 | Wife | — | Indiana |
| 43 | Arthur A Cunningham | 19 | Step-son | Laborer | Iowa |
| 44 | Richard L Cunningham | 18 | Step-son | — | Iowa |
| 45 | David L Cunningham | 16 | Step-son | — | Iowa |
| 46 | Evelyn M Cunningham | 15 | Step-daughter | — | Missouri |
| 47 | Mary S Cunningham | 12 | Step-daughter | — | Missouri |
| 48 | Orval E Young | 40 | Head | Laborer | Iowa |
| 49 | Myrtle A Young | 35 | Wife | — | Iowa |
| 50 | Lillian E Young THIS PERSON | 18 | Daughter | — | Iowa |
| 51 | Harry Young | 17 | Son | — | Iowa |
| 52 | Joseph A Young | 15 | Son | — | Iowa |
| 53 | Frank Young | 13 | Son | — | Iowa |
| 54 | Maurice Young | 11 | Son | — | Iowa |
| 55 | Loretta K Young | 8 | Daughter | — | Iowa |
| 56 | Donald E Young | 5 | Son | — | Iowa |
| 57 | Richard M Young | 1 | Son | — | Iowa |
| 58 | Patricia B Young | 0 | Daughter | — | Iowa |
| 59 | Thomas J Cooper | 64 | Head | Laborer | Missouri |
| 60 | Luella Cooper | 56 | Wife | — | Missouri |
| 61 | Isaac H Cooper | 32 | Son | Machine Operator | Missouri |
| 62 | Juanita M Cooper | 27 | Daughter-in-law | — | Iowa |
| 63 | Mary L Cooper | 4 | Granddaughter | — | Iowa |
| 64 | Eleanor M Cooper | 2 | Granddaughter | — | Iowa |
| 65 | Sharon L Cooper | 0 | Granddaughter | — | Iowa |
| 66 | Joan Lowers | 10 | Granddaughter | — | Iowa |
| 67 | George W Hansen | 60 | Head | Plasterer | Minnesota |
| 68 | Katherine Hansen | 60 | Wife | — | Iowa |
| 69 | Clara B Hansen | 23 | Daughter | — | Iowa |
| 70 | Sylvia Kissock | 49 | Head | — | Iowa |
| 71 | Thelma M Kissock | 31 | Daughter | Stenographer | Iowa |
| 72 | Effie Brown | 50 | Head | Seamstress | Iowa |
| 73 | June E Brown | 17 | Daughter | — | Iowa |
| 74 | John R Smith | 28 | Head | Truck Driver | Iowa |
| 75 | Phyllis M Smith | 24 | Wife | — | Iowa |
| 76 | Barbara J Smith | 8 | Daughter | — | Iowa |
| 77 | John V Smith | 5 | Son | — | Iowa |
| 78 | Joseph E Swanson | 65 | Head | — | Iowa |
| 79 | Vida I Swanson | 65 | Wife | — | Iowa |
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)