JN
John Nash — 1920 US Census Record
Model Tree available1920 United States Federal Census · Polk, Iowa
Our Model Tree links this John Nash across the 1920, 1930 and 1940 US Censuses in Polk, Iowa (XGBoost, ~Confirmed), with identified parents Marie & William — first a son (b.~1920), then head of a 8-person household.
Age 0
b. ~1920
Male
Son
Born: Iowa
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Polk, Iowa |
| Surname | Nash |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Additional Details | |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Des Moines City |
| Est. Birth Year | ~1920 |
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.
8 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Hazel Howell | Other | — | 30 | ~1890 |
| Grace Nash | Other | — | 31 | ~1889 |
| Virginia Nash | Daughter | — | 1 | ~1919 |
| John Nash | Son | — | ~1920 | |
| Marguerite Nash | Daughter | — | 9 | ~1911 |
| Marie Nash | Spouse | — | 32 | ~1888 |
| Rosemary Nash | Daughter | — | 4 | ~1916 |
| William Nash | Head | — | 33 | ~1887 |
Census Appearances
1920
Polk, Iowa
Son, age
Polk, Iowa · implied b. ~1920 — 8 household members
| Surname | Nash |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Polk, Iowa
Son, age 10
Polk, Iowa · implied b. ~1920 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nish |
| Given Name | John H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Polk-County, Iowa
Son, age 20
Polk-County, Iowa · implied b. ~1920 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nish |
| Given Name | John W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Des Moines city |
| 1935 Residence (County) | Polk |
| Occupation | Telegraph Opr |
| Industry | Railroad |
| Class of Worker | PW |
| Hours Worked | 16 |
| Income (1939) | 500 |
| Highest Grade | H 4 |
| 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 Nash across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Marie Nish (~0.92 confidence) and father William Nish (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Marie Nish
b. ~1887
Source mother
● Household
· direct · ~0.92
Father
William Nish
b. ~1887
Source father
● Household
· direct · ~0.92
This person
Anchor record
John Nash
Son · 1920 · age 0 · b. ~1920 · Iowa
★ You are viewing this record
Sibling
Rosemary Nash
Sibling · 1920 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marguerite Nash
Sibling · 1920 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Virginia Nash
Sibling · 1920 · age 1
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
1920 US Federal Census — Polk, Iowa
Open full size
1920 US Federal Census — Polk, Iowa
Page Contents
49 people indexed on this census page (ia:1920:14thcensusofpopu507unit:1025)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | James F. Hughes | 52 | Head | Farm Laborer | Pennsylvania |
| 52 | Ida Hughes | 52 | Wife | — | Iowa |
| 53 | Alice B. Hughes | 17 | Daughter | — | Iowa |
| 54 | Herschel Hughes | 12 | Son | — | Iowa |
| 55 | Harvey J. Rowe | 51 | Head | Secretary | Illinois |
| 56 | Mary M. Rowe | 50 | Wife | — | Iowa |
| 57 | Pearl M. Rowe | 23 | Daughter | — | Iowa |
| 58 | Louis A. Luistrom | 44 | Head | Deputy | Iowa |
| 59 | Ethel A. Luistrom | 40 | Wife | — | Illinois |
| 60 | Martha E. Luistrom | 9 | Daughter | — | Iowa |
| 61 | Francis J. L. Doranite | 84 | Railroad Office | Soliciting Agent | Virginia |
| 62 | John C. Ullman | 48 | Head | Dealer | Iowa |
| 63 | Grace Ullman | 39 | Wife | — | Illinois |
| 64 | Jean O. Ullman | 7 | Daughter | — | Iowa |
| 65 | John Gilmore Ullman | 5 | Son | — | Iowa |
| 66 | Josephine Ullman | 2 | Daughter | — | Iowa |
| 67 | Joseph H. Lewis | 62 | Head | Attorney | Iowa |
| 68 | Alice Lewis | 61 | Wife | — | Iowa |
| 69 | Marion Lewis | 30 | Daughter | Saleswoman | Kansas |
| 70 | William Nash | 33 | Head | Train Dispatcher | Iowa |
| 71 | Marie Nash | 32 | Wife | — | Iowa |
| 72 | Marguerite Nash | 9 | Daughter | — | Missouri |
| 73 | Rosemary Nash | 4 | Daughter | — | Iowa |
| 74 | Virginia Nash | 1 | Daughter | — | Iowa |
| 75 | John Nash THIS PERSON | 0 | Son | — | Iowa |
| 76 | Grace Nash | 31 | Sister | Stenographer | Iowa |
| 77 | Hazel Howell | 30 | Roomer | Stenographer | Iowa |
| 78 | George Brownlee | 40 | Head | Dealer | Illinois |
| 79 | Abigail Brownlee | 37 | Wife | — | Illinois |
| 80 | Agino Romano | 52 | Head | Merchant | Italy |
| 81 | Francesca Romano | 40 | Wife | — | Italy |
| 82 | Lorenzo Romano | 20 | Son | — | Iowa |
| 83 | Mary Romano | 18 | Daughter | — | Iowa |
| 84 | Irma Romano | 17 | Daughter | — | Iowa |
| 85 | Joseph Romano | 15 | Son | — | Iowa |
| 86 | Agino Jr. Romano | 14 | Son | — | Iowa |
| 87 | Frances Romano | 12 | Daughter | — | Iowa |
| 88 | Peter Romano | 10 | Son | — | Iowa |
| 89 | Ira Taylor | 37 | Head | Painter | Iowa |
| 90 | Helen Taylor | 39 | Wife | — | Scotland |
| 91 | Lawrence Taylor | 13 | Son | Office Boy | Iowa |
| 92 | Vera Taylor | 11 | Daughter | — | Iowa |
| 93 | Mary Hartigan | 42 | Head | — | Iowa |
| 94 | Thomas F. Hartigan | 40 | Brother | Machinist | Iowa |
| 95 | Anna Hartigan | 36 | Sister | Teacher | Iowa |
| 96 | Nellie Hartigan | 33 | Sister | Bookkeeper | Iowa |
| 97 | Joseph Hartigan | 30 | Brother | Accountant | Iowa |
| 98 | Silas Straley | 43 | Head | Superintendent | England |
| 99 | Hulda Straley | 38 | Wife | — | Iowa |
Related Census Records
Pedigree Summary
John + 3 siblings
Gen 1 · 2 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)