JF
John Ford — 1940 US Census Record
Model Tree available1940 United States Federal Census · Dubuque-County, Iowa
Our Model Tree links this John Ford across the 1920, 1930 and 1940 US Censuses in Dubuque-County, Iowa (XGBoost, ~Confirmed), with identified parents John & Francis — first a son (b.~1919), then head of a 5-person household.
Age 21
b. ~1919
Male
Son
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Dubuque-County, Iowa |
| Surname | Ford |
| Given Name | John Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Dubuque |
| 1935 Residence (County) | Dubuque |
| Additional Details | |
| Highest Grade | C 2 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Dubuque |
| Est. Birth Year | ~1919 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Ford | Head | — | 57 | ~1883 |
| Thomas Ford | Son | — | 30 | ~1910 |
| Hugh Ford | Son | — | 15 | ~1925 |
| John Ford | Son | — | 21 | ~1919 |
| Mrs Ford | Spouse | — | 50 | ~1890 |
Census Appearances
1920
Dubuque, Iowa
Son, age 1
Dubuque, Iowa · implied b. ~1919 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ford |
| Given Name | John Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Michigan |
| Can Read | No |
| Can Write | No |
| Speaks English | No |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Dubuque, Iowa
Son, age 11
Dubuque, Iowa · implied b. ~1919 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ford |
| Given Name | John Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Michigan |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Dubuque-County, Iowa
Son, age 21
Dubuque-County, Iowa · implied b. ~1919 — 5 household members
| Surname | Ford |
| Given Name | John Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Dubuque |
| 1935 Residence (County) | Dubuque |
| Highest Grade | C 2 |
| 1935 Residence | Same place |
| 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 John Ford across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Ford (~0.92 confidence) and mother Francis Ford (~0.92 confidence) and mother Mrs Ford (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Ford
b. ~1883
Source father
● Household
· direct · ~0.92
Mother
Francis Ford
b. ~1890
Source mother
● Household
· direct · ~0.92
Mother
Mrs Ford
b. ~1890
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Ford
Son · 1940 · age 21 · b. ~1919 · Iowa
★ You are viewing this record
Sibling
Hugh Ford
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Ford
Sibling · 1940 · age 30
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
1940 US Federal Census — Dubuque-County, Iowa
Open full size
1940 US Federal Census — Dubuque-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01159-00189)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Lester J. Cooling | 25 | Son | Carrier | Iowa |
| 2 | Mary Agnes Cooling | 23 | Daughter | Bookkeeper | Iowa |
| 3 | M. C. Needham | 53 | Head | — | Iowa |
| 4 | Martin Maurice Needham | 23 | Nephew | — | Iowa |
| 5 | George Needham | 28 | Nephew | Shipping Clerk | Iowa |
| 6 | Margaret Needham | 25 | Niece | Bookkeeper | Iowa |
| 7 | John Ford | 57 | Head | Bookkeeper | Tennessee |
| 8 | Mrs John Ford | 50 | Wife | — | Michigan |
| 9 | Thomas Ford | 30 | Son | Dental Laboratory | Illinois |
| 10 | John Jr. Ford THIS PERSON | 21 | Son | — | Iowa |
| 11 | Hugh Ford | 15 | Son | — | Iowa |
| 12 | Mrs Mary E. Hadley | 70 | Head | — | Iowa |
| 13 | Clyde Cartal | 60 | Head | — | Iowa |
| 14 | Mrs Clyde Cartal | 56 | Wife | Janitress | Iowa |
| 15 | Marie Cartal | 15 | Daughter | — | Iowa |
| 16 | Delbert Cartal | 19 | Son | — | Iowa |
| 17 | Kenneth Tangeman | 30 | Head | Office Clerk | Iowa |
| 18 | Ellen Tangeman | 29 | Wife | — | Iowa |
| 19 | Lois Tangeman | 3 | Daughter | — | Iowa |
| 20 | Mrs Theresa Althaus | 52 | Head | — | Wisconsin |
| 21 | Emil Althaus | 22 | Son | Baker | Wisconsin |
| 22 | Herbert Althaus | 20 | Son | Mixer | Wisconsin |
| 23 | Arnette Althaus | 18 | Daughter | — | Wisconsin |
| 24 | Theresa Althaus | 15 | Daughter | — | Wisconsin |
| 25 | Joseph E. Althaus | 30 | Head | Manager | Wisconsin |
| 26 | Celestine Althaus | 26 | Wife | — | Iowa |
| 27 | Donna Mae Althaus | 2 | Daughter | — | Iowa |
| 28 | Le Roy Althaus | 6 | Son | — | Iowa |
| 29 | Alven Van Horn | 31 | Head | Butter Maker | Iowa |
| 30 | Mrs Alven Van Horn | 32 | Wife | — | Oregon |
| 31 | Delores Van Horn | 10 | Daughter | — | Iowa |
| 32 | Duane Van Horn | 9 | Son | — | Iowa |
| 33 | William Van Horn | 2 | Son | — | Iowa |
| 34 | Edward Yarrow | 40 | Head | Mechanic | Illinois |
| 35 | Netta Yarrow | 34 | Wife | — | Illinois |
| 36 | Pearl Yarrow | 15 | Daughter | — | Indiana |
| 37 | Eugene Yarrow | 11 | Son | — | Illinois |
| 38 | Robert Yarrow | 8 | Son | — | Iowa |
| 39 | Nelda Jane Yarrow | 6 | Daughter | — | Iowa |
| 40 | Donald Yarrow | 4 | Son | — | Iowa |
Related Census Records
Pedigree Summary
John + 2 siblings
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)