HT
Howard Thomas — 1940 US Census Record
Model Tree available1940 United States Federal Census · Polk-County, Iowa
Our Model Tree links this Howard Thomas across the 1920, 1930 and 1940 US Censuses in Polk-County, Iowa (XGBoost, ~Confirmed), with identified parents Charles & Charles — first a son (b.~1911), then head of a 2-person household.
Age 29
b. ~1911
Male
Son
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Polk-County, Iowa |
| Surname | Thomas |
| Given Name | Howard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Des Moines City |
| 1935 Residence (County) | Polk |
| Additional Details | |
| Occupation | Book Binder |
| Industry | Book bindery |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 450 |
| Highest Grade | H 2 |
| 1935 Residence | Same house |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Book Binder |
| Township / Ward | Des Moines City |
| Est. Birth Year | ~1911 |
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 1940 census.
| Name | Relation to head | Relative to Howard | Age | Birth yr |
|---|---|---|---|---|
| Charles Thomas | Head | — | 73 | ~1867 |
| Howard Thomas | Son | — | 29 | ~1911 |
Census Appearances
1920
Polk, Iowa
Son, age 10
Polk, Iowa · implied b. ~1910 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Howard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| 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
Other, age 20
Polk, Iowa · implied b. ~1910 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Howard |
| Relationship to Head | Son-in-law |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 19 |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | Machinist |
| Industry | Bindery |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Polk-County, Iowa
Son, age 29
Polk-County, Iowa · implied b. ~1911 — 2 household members
| Surname | Thomas |
| Given Name | Howard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Des Moines City |
| 1935 Residence (County) | Polk |
| Occupation | Book Binder |
| Industry | Book bindery |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 450 |
| Highest Grade | H 2 |
| 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 Howard Thomas across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Charles Thomas (~0.92 confidence) and father Charles Thomas (~0.92 confidence) and mother Clara Thomas (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Charles Thomas
b. ~1867
Source father
● Household
· direct · ~0.92
Father
Charles Thomas
b. ~1867
Source father
● Household
· direct · ~0.92
Mother
Clara Thomas
b. ~1872
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Howard Thomas
Son · 1940 · age 29 · b. ~1911 · Iowa
★ You are viewing this record
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-t0627-01197-00578)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Douglas Gregory | 11 | Son | — | Iowa |
| 2 | Jack Gregory | 6 | Son | — | Iowa |
| 3 | Colleen Gregory | 2 | Daughter | — | Iowa |
| 4 | Harry Longden | 38 | Head | Sheet Metal Worker | Iowa |
| 5 | Lenore Longden | 34 | Wife | H. | Iowa |
| 6 | Fredrick Longden | 15 | Son | S. | Iowa |
| 7 | Ellen Longden | 13 | Daughter | S. | Iowa |
| 8 | Fanny Oppenheim | 49 | Head | O.A. | Russia |
| 9 | Oppenheim | 28 | Son | — | Iowa |
| 10 | Nellie Pearlman | 27 | Daughter | Dancing Teacher | Iowa |
| 11 | Betty Oppenheim | 19 | Daughter | Calculator Operator | Iowa |
| 12 | Ruth Oppenheim | 17 | Daughter | S. | Iowa |
| 13 | Leo Pearlman | 28 | Son-in-law | Medical Doctor | Iowa |
| 14 | Alan Lee Pearlman | 3 | Grandson | — | Iowa |
| 15 | Jerry Kent Pearlman | 1 | Grandson | — | Iowa |
| 16 | Harry Oppenheim | 25 | Head | Grocery Clerk | Iowa |
| 17 | Mada Oppenheim | 25 | Wife | Grocery Clerk | Iowa |
| 18 | Pat Oppenheim | 4 | Son | — | Iowa |
| 19 | George Finnegan | 55 | Head | Engineer | Iowa |
| 20 | Hazel Finnegan | 50 | Wife | H. | Iowa |
| 21 | Kenneth Thomas | 37 | Head | Shop Foreman | Iowa |
| 22 | Jessie Thomas | 35 | Wife | Cosmetic Worker | Iowa |
| 23 | Dale Thomas | 15 | Son | S. | Iowa |
| 24 | Harold Thomas | 14 | Son | S. | Iowa |
| 25 | Glen Thomas | 12 | Son | S. | Iowa |
| 26 | Donald Thomas | 11 | Son | S. | Iowa |
| 27 | Cecil Wilson | 48 | Head | Binder | Iowa |
| 28 | Donald Wilson | 29 | Son | Draftsman | Iowa |
| 29 | Juanita Wilson | 15 | Daughter | S. | Iowa |
| 30 | Gerald Hatchitt | 39 | Head | Machine Operator | Illinois |
| 31 | Dora Hatchitt | 42 | Wife | H. | Iowa |
| 32 | Bill Hatchitt | 19 | Son | Grocery Clerk | Iowa |
| 33 | Jack Hatchitt | 14 | Son | S. | Iowa |
| 34 | Beverly Hatchitt | 12 | Daughter | S. | Iowa |
| 35 | Barbara Hatchitt | 6 | Daughter | S. | Iowa |
| 36 | Charles D. Thomas | 73 | Head | Sweeper | Iowa |
| 37 | Howard Thomas THIS PERSON | 29 | Son | Book Binder | Iowa |
| 38 | Augusta Mccool | 66 | Head | H. | Iowa |
| 39 | Joseph Mccool | 23 | Son | Laborer | Iowa |
Pedigree Summary
Howard
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 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)