MW
Margaret Wallace — 1930 US Census Record
Model Tree available1930 United States Federal Census · Polk, Iowa
Our Model Tree links this Margaret Wallace across the 1910, 1920 and 1930 US Censuses in Polk, Iowa (XGBoost, ~Confirmed), with identified parents Harry & Harry — 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 | Wallace |
| Given Name | Margaret H. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Des Moines City |
| 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 Margaret | Age | Birth yr |
|---|---|---|---|---|
| Harry Wallace | Head | — | 51 | ~1879 |
| Margaret Wallace | Daughter | — | 21 | ~1909 |
| Helen Wallace | Daughter | — | 24 | ~1906 |
| Ethel Wallace | Other | — | 51 | ~1879 |
Census Appearances
1910
Polk, Iowa
Daughter, age 1
Polk, Iowa · implied b. ~1909 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Wallace |
| Given Name | Margaret L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| 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 11
Polk, Iowa · implied b. ~1909 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Wallace |
| Given Name | Margaret G |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | none |
| 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 | Wallace |
| Given Name | Margaret H. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| 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 |
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 Margaret Wallace across 3 US Census years (1910, 1920 and 1930) in Polk, Iowa, using XGBoost record linkage. Identified parents: father Harry Wallace (~0.92 confidence) and father Harry Wallace (~0.92 confidence) and mother Ethel Wallace (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Harry Wallace
b. ~1879
Source father
● Household
· direct · ~0.92
Father
Harry Wallace
b. ~1879
Source father
● Household
· direct · ~0.92
Mother
Ethel Wallace
b. ~1880
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Margaret Wallace
Daughter · 1930 · age 21 · b. ~1909 · Iowa
★ You are viewing this record
Sibling
Helen Wallace
Sibling · 1930 · age 24
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:iowacensus00reel673:0973)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Elizabeth Doolittle | 36 | Head | Counsel | Iowa |
| 2 | Ruth E. Doolittle | 38 | Wife-H | — | Kansas |
| 3 | Clyde H. Doolittle | 9 | Son | — | Iowa |
| 4 | Janet Doolittle | 5 | Daughter | — | Iowa |
| 5 | F. Oscar Rutledge | 42 | Head | Asst. Mgr. | Iowa |
| 6 | Grace L. Rutledge | 37 | Wife-H | — | South Dakota |
| 7 | W. Albert Rutledge | 14 | Son | — | Iowa |
| 8 | Maurice Rutledge | 10 | Son | — | Iowa |
| 9 | Ann Rutledge | 2 | Daughter | — | Iowa |
| 11 | Eula M. Althaus | 38 | Head | Manager | Missouri |
| 12 | Elsa M. Althaus | 51 | Wife-H | — | Indiana |
| 13 | Humphrey Melinda Althaus | 46 | Maid | Maid | Iowa |
| 14 | Moss Cohen | 54 | Head | — | New York |
| 15 | Lillie M. Cohen | 55 | Wife-H | — | Iowa |
| 16 | Allen M. Cohen | 23 | Son | Asst. Buyer | Iowa |
| 17 | Kinney Susan Cohen | 55 | Housekeeper | Housekeeper | Kansas |
| 18 | Daisy Mccarthy | 34 | Head | — | Iowa |
| 19 | Larson Matilda Mccarthy | 73 | Mother | — | Sweden |
| 20 | Downing Beata Mccarthy | 21 | Niece | Stenographer | Iowa |
| 21 | Larson Jack Mccarthy | 14 | Nephew | — | Iowa |
| 24 | Ray B. Hagg | 44 | Head | Superintendent | Nebraska |
| 25 | May E. Hagg | 42 | Wife-H | — | Iowa |
| 26 | Nancy Hagg | 14 | Daughter | — | Iowa |
| 27 | Chevalier Alice Hagg | 73 | Mother-in-law | — | Iowa |
| 28 | Herbert A. Metcalfe | 46 | Head | Merchandise | British Free State |
| 29 | Adelaide G. Metcalfe | 44 | Wife-H | — | Massachusetts |
| 30 | Clarence E. Shirer | 47 | Head | Salesman | Iowa |
| 31 | Reva F. Shirer | 38 | Wife-H | — | Iowa |
| 32 | Maurice C. Miller | 34 | Head | Civil Engineer | South Dakota |
| 33 | Christine C. Miller | 34 | Wife | — | Missouri |
| 34 | George D. Hoover | 51 | Head | Pharmacist | Iowa |
| 35 | Bertha P. Hoover | 52 | Wife-H | — | Iowa |
| 36 | Lucile Hoover | 26 | Daughter | Teacher | Iowa |
| 37 | Lynch Charity Hoover | 73 | Mother-in-law | — | West Virginia |
| 38 | Max L. Holmes | 33 | Head | Salesman | Iowa |
| 39 | Helen M. Holmes | 39 | Wife-H | — | Iowa |
| 40 | Mary E. Holmes | 10 | Daughter | — | Iowa |
| 41 | John H. Holmes | 8 | Son | — | Iowa |
| 42 | Max Q. Holmes | 5 | Son | — | Iowa |
| 43 | Lena G. Holmes | 54 | Mother | Cutter | Iowa |
| 44 | Hemming Louise Holmes | 69 | Sister-in-law | — | Iowa |
| 45 | Harry H. Wallace | 51 | Head | Realtor | Iowa |
| 46 | Ethel M. Wallace | 51 | Wife-H | — | Iowa |
| 47 | Helen G. Wallace | 24 | Daughter | Special Agent | Iowa |
| 48 | Margaret H. Wallace THIS PERSON | 21 | Daughter | — | Iowa |
Pedigree Summary
Margaret + 1 sibling
Gen 1 · 3 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)