FP
Frank Pierce — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Hardin-County, Iowa
Our Model Tree links this Frank Pierce across the 1930 and 1940 US Censuses in Hardin-County, Iowa (XGBoost, ~Confirmed) — first a head (b.~1879), then head of a 6-person household.
Age 61
b. ~1879
Male
Head
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Hardin-County, Iowa |
| Surname | Pierce |
| Given Name | Frank |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 61 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Hubbard |
| 1935 Residence (County) | Hardin |
| Additional Details | |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 65 |
| Income (1939) | 866 |
| Highest Grade | No 8 |
| 1935 Residence | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Laborer |
| Township / Ward | Iowa Falls City |
| Est. Birth Year | ~1879 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Frank | Age | Birth yr |
|---|---|---|---|---|
| Oscar Pierce | Son | — | 29 | ~1911 |
| Edna Pierce | Daughter | — | 24 | ~1916 |
| Frank Pierce | Head | — | 61 | ~1879 |
| Leslie Pierce | Son | — | 33 | ~1907 |
| Harvey Pierce | Son | — | 31 | ~1909 |
| Ida Pierce | Spouse | — | 53 | ~1887 |
Census Appearances
1930
Hardin, Iowa
Head, age 50
Hardin, Iowa · implied b. ~1880 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Pierce |
| Given Name | Frank |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 24 |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | North Carolina |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 15 |
| Veteran | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Hardin-County, Iowa
Head, age 61
Hardin-County, Iowa · implied b. ~1879 — 6 household members
| Surname | Pierce |
| Given Name | Frank |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 61 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Hubbard |
| 1935 Residence (County) | Hardin |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 65 |
| Income (1939) | 866 |
| Highest Grade | No 8 |
| 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 Frank Pierce across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Frank Pierce
Head · 1940 · age 61 · b. ~1879 · Iowa
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Hardin-County, Iowa
Open full size
1940 US Federal Census — Hardin-County, Iowa
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01165-00397)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | C. Bernard Schultz | 25 | Head | Deliveryman | Iowa |
| 42 | Elinor S. Schultz | 24 | Wife | — | Iowa |
| 43 | Jean Ann Schultz | 3 | Daughter | — | Iowa |
| 44 | Shirley M. Schultz | 2 | Daughter | — | Iowa |
| 45 | Charles B. Schultz | 0 | Son | — | Iowa |
| 46 | John G. Harris | 54 | Head | Attendant | Iowa |
| 47 | Clara B. Harris | 52 | Wife | — | Iowa |
| 48 | Walter W. Harris | 32 | Son | Deliveryman | Iowa |
| 49 | Lillian Jensen | 24 | Lodger | Egg & Butter Dept. | Iowa |
| 50 | Lorin Bump | 28 | Head | Service Man | So. Dakota |
| 51 | Avis Bump | 28 | Wife | — | Iowa |
| 52 | Lorine Bump | 6 | Daughter | — | Iowa |
| 53 | Jacalyn Bump | 5 | Daughter | — | Iowa |
| 54 | James Bump | 3 | Son | — | Iowa |
| 55 | Charlotte Bump | 0 | Daughter | — | Iowa |
| 56 | Frank Pierce THIS PERSON | 61 | Head | Laborer | Iowa |
| 57 | Ida J. Pierce | 53 | Wife | Practical Nurse | Iowa |
| 58 | Leslie D. Pierce | 33 | Son | Mason & Carpenter | Iowa |
| 59 | Harvey C. Pierce | 31 | Son | Salesman | Iowa |
| 60 | Oscar Pierce | 29 | Son | — | Minnesota |
| 61 | Edna Pierce | 24 | Daughter | — | Minnesota |
| 62 | Max Kulberg | 59 | Head | Owner | Russia |
| 63 | Rose Kulberg | 49 | Wife | — | Russia |
| 64 | Paul R. Kulberg | 21 | Son | — | Iowa |
| 65 | Francis R. Kulberg | 15 | Daughter | — | Iowa |
| 66 | Minnie Thomas | 67 | Head | — | Iowa |
| 67 | Charlie Thomas | 73 | Brother | Saleslady | Iowa |
| 68 | Richard Chiquet | 26 | Head | Sign Painter | Iowa |
| 69 | Elsie Chiquet | 23 | Wife | Saleslady | Iowa |
| 70 | Fannie Ladd | 80 | Head | — | Iowa |
| 71 | Emily J. Hogan | 69 | Head | Seamstress | Iowa |
| 72 | Rose A. Shafer | 80 | Sister | — | Michigan |
| 73 | Susie B. Rowray | 78 | Lodger | — | Illinois |
| 74 | Edward F. Hurley | 61 | Head | Laborer | Pennsylvania |
| 75 | Zena Hurley | 66 | Wife | — | Iowa |
| 76 | A. Roy Tanner | 52 | Lodger | Beer Dispenser | Iowa |
| 77 | Harry C. Lang | 34 | Lodger | — | Iowa |
| 78 | A. Henry Lund | 81 | Head | — | Germany |
| 79 | Everett B. Gardner | 31 | Grandson | Painter And Int. Decoration | Iowa |
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)