ET
Emma Thomas — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Polk, Iowa
Our Model Tree links this Emma Thomas across the 1920, 1930 and 1940 US Censuses in Polk, Iowa (XGBoost, ~Confirmed) — first a head (b.~1868), then head of a 2-person household.
Age 62
b. ~1868
Female
Head
Born: Iowa
Widowed
1930 Census Record Details
| Census Year | 1930 |
| Location | Polk, Iowa |
| Surname | Thomas |
| Given Name | Emma |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 62 |
| Marital Status | Widowed |
| Birthplace | Iowa |
| Age at First Marriage | 22 |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Additional Details | |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 3500 |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Des Moines City |
| Est. Birth Year | ~1868 |
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.
2 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Emma | Age | Birth yr |
|---|---|---|---|---|
| Wilma Thomas | Daughter | — | 21 | ~1909 |
| Emma Thomas | Head | — | 62 | ~1868 |
Census Appearances
1920
Polk, Iowa
Head, age 52
Polk, Iowa · implied b. ~1868 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Emma A |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 52 |
| Marital Status | Widowed |
| Birthplace | Iowa |
| Father's Birthplace | West Virginia |
| Mother's Birthplace | Ohio |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Polk, Iowa
Head, age 62
Polk, Iowa · implied b. ~1868 — 2 household members
| Surname | Thomas |
| Given Name | Emma |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 62 |
| Marital Status | Widowed |
| Birthplace | Iowa |
| Age at First Marriage | 22 |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 3500 |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Polk-County, Iowa
Other, age 72
Polk-County, Iowa · implied b. ~1868 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Emma A. |
| Relationship to Head | Mother-in-law |
| Sex | F |
| Color / Race | White |
| Age | 72 |
| Marital Status | Widowed |
| Birthplace | Iowa |
| 1935 Residence (City) | Des Moines City |
| 1935 Residence (County) | Polk |
| Highest Grade | H 1 |
| 1935 Residence | Same house |
| 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 Emma Thomas across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Emma Thomas
Head · 1930 · age 62 · b. ~1868 · Iowa
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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
46 people indexed on this census page (ia:1930:iowacensus00reel675:0135)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Clayton L Epley | 45 | Head | Traffic Manager | Illinois |
| 2 | Anna L Epley | 46 | Wife-H | — | Iowa |
| 3 | Kenneth I Epley | 23 | Son | Ticket Seller | Colorado |
| 4 | Helen L Epley | 18 | Daughter-in-law | — | Iowa |
| 5 | Norman B Wells | 56 | Head | Printer | New York |
| 6 | Charlotte Wells | 18 | Daughter | — | Iowa |
| 7 | Earl J Mcburney | 31 | Head | Tailor | New York |
| 8 | Myrtle Mcburney | 28 | Wife-H | — | Iowa |
| 9 | Ruth E Mcburney | 9 | Daughter | — | New York |
| 10 | Joyce I Mcburney | 2 | Daughter | — | New York |
| 11 | Earl C Mcburney | 0 | Son | — | Iowa |
| 12 | Mattie Gorr | 68 | Head | — | Illinois |
| 13 | Merrill Anderson | 26 | Son | Owner | Iowa |
| 14 | John W Powers | 32 | Lodger | Mechanic | United States |
| 15 | Herbert Formberger | 36 | Head | Salesman | Illinois |
| 16 | Eva H Formberger | 31 | Wife-H | — | Iowa |
| 17 | Billie L Formberger | 1 | Daughter | — | Iowa |
| 18 | Dick Formberger | 0 | Son | — | Iowa |
| 19 | Luiza Hickman | 54 | Mother-in-law | — | Iowa |
| 21 | Ralph M Blosser | 42 | Head | Dealer | Iowa |
| 22 | Olive G Blosser | 37 | Wife-H | — | Iowa |
| 23 | Richard D Blosser | 2 | Son | — | Iowa |
| 24 | Anna Moorman | 58 | Head | — | Iowa |
| 25 | Loren H Moorman | 35 | Son | Painter | Iowa |
| 26 | Anna Moorman | 22 | Daughter | Operator | Iowa |
| 27 | Emma Thomas THIS PERSON | 62 | Head | — | Iowa |
| 28 | Wilma Thomas | 21 | Daughter | Clerk | Iowa |
| 29 | Wiley C Dooley | 37 | Head | Brakeman | Missouri |
| 30 | Lela Dooley | 37 | Wife-H | — | Iowa |
| 31 | Earl N Butler | 20 | Step-son | Electrician | Iowa |
| 33 | Benjamin H Peterson | 28 | Head | Plumber | Iowa |
| 34 | Lela F Peterson | 28 | Wife-H | — | Iowa |
| 35 | Richard H Peterson | 8 | Son | — | Iowa |
| 36 | Marie R Peters | 25 | Sister-in-law | Comptometer | Iowa |
| 37 | Harry H Dorn | 54 | Head | Checker | Iowa |
| 38 | Eva M Dorn | 44 | Wife-H | — | Iowa |
| 39 | Kendall D Dorn | 17 | Son | — | Iowa |
| 40 | Samuel D Saw | 76 | Father-in-law | — | Illinois |
| 43 | Charles P Davis | 60 | Head | Laborer | Iowa |
| 44 | Philopena M Davis | 57 | Wife-H | — | Iowa |
| 45 | Paul J Grove | 36 | Head | Shipping Clerk | Iowa |
| 46 | Leona M Grove | 29 | Wife-H | Stenographer | Iowa |
| 47 | Edna Baker | 69 | Mother-in-law | — | Iowa |
| 48 | Robert Wilson | 49 | Head | Laborer | Iowa |
| 49 | Eliza Wilson | 73 | Mother-H | — | Iowa |
| 50 | Ellsworth M Davis | 33 | Head | Electrician | Illinois |
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)