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Mildred Lee — 1930 US Census Record
Model Tree available1930 United States Federal Census · Polk, Iowa
Our Model Tree links this Mildred Lee across the 1910, 1920 and 1930 US Censuses in Polk, Iowa (XGBoost, ~Confirmed), with identified parents John & William — first a daughter (b.~1909), then head of a 4-person household.
Age 21
b. ~1909
Female
Daughter
Born: Iowa
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Polk, Iowa |
| Surname | Lee |
| Given Name | Mildred |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | England |
| Mother's Birthplace | Iowa |
| Additional Details | |
| Occupation | Clerk |
| Industry | Insurance |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Clerk |
| Township / Ward | Bloomfield Township |
| Est. Birth Year | ~1909 |
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 1930 census.
| Name | Relation to head | Relative to Mildred | Age | Birth yr |
|---|---|---|---|---|
| William Lee | Head | — | 54 | ~1876 |
| Mildred Lee | Daughter | — | 21 | ~1909 |
| Isabell Lee | Daughter | — | 11 | ~1919 |
| Anna Lee | Spouse | — | 47 | ~1883 |
Census Appearances
1910
Polk, Iowa
Daughter, age
Polk, Iowa · implied b. ~1910 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lee |
| Given Name | Mildred |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1920
Polk, Iowa
Daughter, age 12
Polk, Iowa · implied b. ~1908 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lee |
| Given Name | Mildred L |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | England |
| Mother's Birthplace | Iowa |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Polk, Iowa
Daughter, age 21
Polk, Iowa · implied b. ~1909 — 4 household members
| Surname | Lee |
| Given Name | Mildred |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | England |
| Mother's Birthplace | Iowa |
| Occupation | Clerk |
| Industry | Insurance |
| Class of Worker | W |
| Can Read/Write | Yes |
| 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 Mildred Lee across 3 US Census years (1910, 1920 and 1930) in Polk, Iowa, using XGBoost record linkage. Identified parents: father John Lee (~0.92 confidence) and father William Lee (~0.92 confidence) and mother Anna Lee (~0.92 confidence) and mother Anna Lee (~0.92 confidence) and mother Cora Lee (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Lee
b. ~1872
Source father
● Household
· direct · ~0.92
Father
William Lee
b. ~1876
Source father
● Household
· direct · ~0.92
Mother
Anna Lee
b. ~1883
Source mother
● Household
· direct · ~0.92
Mother
Anna Lee
b. ~1883
Source mother
● Household
· direct · ~0.92
Mother
Cora Lee
b. ~1882
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mildred Lee
Daughter · 1930 · age 21 · b. ~1909 · Iowa
★ You are viewing this record
Sibling
Isabell Lee
Sibling · 1930 · age 11
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
1930 US Federal Census — Polk, Iowa
Open full size
1930 US Federal Census — Polk, Iowa
Page Contents
45 people indexed on this census page (ia:1930:iowacensus00reel673:0490)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | George Berendsen | 39 | Head | Painter | Holland |
| 2 | Beulah Berendsen | 36 | Wife | — | Indiana |
| 3 | Lucile Berendsen | 10 | Daughter | — | Iowa |
| 4 | Jane Berendsen | 8 | Daughter | — | Iowa |
| 5 | Bryn E Berendsen | 20 | Daughter | — | Iowa |
| 6 | Glen E Roth | 31 | Head | Labourer | Iowa |
| 7 | Alta J Roth | 39 | Wife | — | Kansas |
| 8 | Glen E Roth | 2 | Son | — | Iowa |
| 9 | Richard Roth | 1 | Son | — | Iowa |
| 10 | Delmar Rushem | 39 | Head | Salesman | New York |
| 11 | Anna Rushem | 39 | Wife | — | Denmark |
| 12 | Lois Rushem | 13 | Daughter | — | Iowa |
| 13 | Richard H Calene | 44 | Head | Mechanic | Iowa |
| 14 | Carry E Calene | 42 | Wife | — | Iowa |
| 15 | Fred Calene | 17 | Son | — | Iowa |
| 16 | John H Calene | 12 | Son | — | Iowa |
| 17 | Ruth Calene | 11 | Daughter | — | Iowa |
| 18 | Edith Calene | 9 | Daughter | — | Iowa |
| 19 | William Calene | 7 | Son | — | Iowa |
| 20 | James Calene | 5 | Son | — | Iowa |
| 21 | Gary B Calene | 3 | Son | — | Iowa |
| 22 | Julia Mooy | 60 | Head | Labourer | France |
| 23 | John L Adreon | 31 | Head | Mech. | Iowa |
| 24 | Hilda Adreon | 30 | Wife | — | Iowa |
| 25 | Thomas E Adreon | 1 | Son | — | Iowa |
| 26 | Ray A Hanks | 25 | Head | Labourer | Iowa |
| 27 | Alice B Hanks | 23 | Wife | — | Iowa |
| 28 | Betty J Hanks | 5 | Daughter | — | Iowa |
| 29 | Jill Hanks | 3 | Daughter | — | Iowa |
| 30 | William E Lee | 54 | Head | Miner | England |
| 31 | Anna Lee | 47 | Wife | — | Holland |
| 32 | Mildred Lee THIS PERSON | 21 | Daughter | Clerk | Iowa |
| 33 | Isabell L Lee | 11 | Daughter | — | Iowa |
| 34 | Waldo O Johnson | 30 | Head | Carrier | Iowa |
| 35 | Ruth S Johnson | 19 | Wife | Clerk | Iowa |
| 36 | Frank Palmer | 36 | Head | Cobbler | Italy |
| 37 | Josephine Palmer | 28 | Wife | — | New York |
| 38 | May M Palmer | 9 | Daughter | — | Iowa |
| 39 | Joseph Palmer | 7 | Son | — | Iowa |
| 40 | Frank S Palmer | 5 | Son | — | Iowa |
| 41 | Walter Henry | 67 | Head | Farmer | Iowa |
| 42 | Estella M Henry | 62 | Wife | — | Iowa |
| 43 | James M Henry | 67 | Brother | Farmer | Iowa |
| 44 | Marcus Billick | 36 | Lodger | Waiter | Iowa |
| 45 | Edwards My Stanton | 19 | Roomer | — | Iowa |
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 1930 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)