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Frank Jackson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Delaware-County, Iowa
Our Model Tree links this Frank Jackson across the 1920, 1930 and 1940 US Censuses in Delaware-County, Iowa (XGBoost, ~Confirmed) — first a head (b.~1877), then head of a 6-person household.
Age 63
b. ~1877
Male
Head
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Delaware-County, Iowa |
| Surname | Jackson |
| Given Name | Frank |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 63 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Delhi Twp |
| 1935 Residence (County) | Delaware |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 84 |
| Income (1939) | 452 |
| Highest Grade | H 4 |
| 1935 Residence | Same House |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Farmer |
| Township / Ward | Delhi Twp |
| Est. Birth Year | ~1877 |
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 |
|---|---|---|---|---|
| Beulah Jackson | Daughter | — | 20 | ~1920 |
| Marilyn Jackson | Daughter | — | 17 | ~1923 |
| Frank Jackson | Head | — | 63 | ~1877 |
| Earl Jackson | Son | — | 22 | ~1918 |
| Gilman Jackson | Son | — | 12 | ~1928 |
| Mabel Jackson | Spouse | — | 53 | ~1887 |
Census Appearances
1920
Delaware, Iowa
Head, age 43
Delaware, Iowa · implied b. ~1877 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jackson |
| Given Name | Frank B |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Iowa |
| Father's Birthplace | England |
| Mother's Birthplace | Pennsylvania |
| Occupation | Farmer |
| Industry | Home Farm |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Delaware, Iowa
Head, age 53
Delaware, Iowa · implied b. ~1877 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jackson |
| Given Name | Frank C |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 23 |
| Father's Birthplace | England |
| Mother's Birthplace | Pennsylvania |
| Occupation | Farmer |
| Industry | Gen Farm |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Delaware-County, Iowa
Head, age 63
Delaware-County, Iowa · implied b. ~1877 — 6 household members
| Surname | Jackson |
| Given Name | Frank |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 63 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Delhi Twp |
| 1935 Residence (County) | Delaware |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 84 |
| Income (1939) | 452 |
| Highest Grade | H 4 |
| 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 Frank Jackson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Frank Jackson
Head · 1940 · age 63 · b. ~1877 · 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 — Delaware-County, Iowa
Open full size
1940 US Federal Census — Delaware-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01155-00269)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Ernest Roth | 12 | Grandson | — | Iowa |
| 42 | M. J. Conolly | 65 | Head | Farmer | Iowa |
| 43 | Esther Conolly | 63 | Wife | — | Iowa |
| 44 | Frank Jackson THIS PERSON | 63 | Head | Farmer | Iowa |
| 45 | Mabel Jackson | 53 | Wife | — | Iowa |
| 46 | Earl Jackson | 22 | Son | Farm Laborer | Iowa |
| 47 | Beulah Jackson | 20 | Daughter | — | Iowa |
| 48 | Marilyn Jackson | 17 | Daughter | — | Iowa |
| 49 | Gilman Jackson | 12 | Son | — | Iowa |
| 50 | Howard Kirkwood | 25 | Head | Farmer | Iowa |
| 51 | Clare Kirkwood | 22 | Wife | — | Iowa |
| 52 | Allen Moyer | 14 | Hired hand | — | Unknown |
| 53 | Albert Harbach | 38 | Head | Farmer | Iowa |
| 54 | Ila Harbach | 37 | Wife | — | Iowa |
| 55 | Herman J. Derga | 33 | Head | Farm Laborer | Iowa |
| 56 | Anna R. Derga | 33 | Wife | — | Iowa |
| 57 | Robert Derga | 10 | Son | — | Iowa |
| 58 | James Derga | 4 | Son | — | Iowa |
| 59 | Joseph W. Huber | 62 | Head | Farmer | Iowa |
| 60 | Gertrude Huber | 60 | Wife | — | Iowa |
| 61 | Leonard Freund | 16 | Hired hand | Farm Laborer | Iowa |
| 62 | Isaac Ladage | 21 | Head | Farm Laborer | New Mexico |
| 63 | Helen Ladage | 19 | Wife | — | Iowa |
| 64 | Janet Ladage | 2 | Daughter | — | Iowa |
| 65 | W. H. Schmitjer | 53 | Head | Farmer | Iowa |
| 66 | Bertha Schmitjer | 46 | Wife | — | Iowa |
| 67 | Makine Schmitjer | 22 | Daughter | — | Iowa |
| 68 | Marion Schmitjer | 17 | Daughter | — | Iowa |
| 69 | Walter D. Faust | 20 | Head | Farm Laborer | Iowa |
| 70 | Vernita Faust | 19 | Wife | — | Iowa |
| 71 | Kenneth Faust | 2 | Son | — | Iowa |
| 72 | Edward Faust | 1 | Son | — | Iowa |
| 73 | Frank Ellabury | 54 | Head | Farm Laborer | Iowa |
| 74 | Florence Ellabury | 40 | Wife | — | Iowa |
| 75 | Velma Ellabury | 16 | Daughter | — | Iowa |
| 76 | Loretta Ellabury | 5 | Daughter | — | Iowa |
| 77 | Lotta Ellabury | 1 | Daughter | — | Iowa |
| 78 | Earl Ellabury | 24 | Head | Farm Laborer | Iowa |
| 79 | Gail Ellabury | 19 | Wife | — | Iowa |
| 80 | Joann Marie Ellabury | 2 | Daughter | — | 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)