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John Sloan — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Polk, Iowa
Our Model Tree links this John Sloan across the 1910 and 1920 US Censuses in Polk, Iowa (XGBoost, ~Confirmed) — first a son (b.~1897), then head of a 9-person household.
Age 23
b. ~1897
Male
Son
Born: Iowa
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Polk, Iowa |
| Surname | Sloan |
| Given Name | John J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | England |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Occupation | Laborer |
| Industry | Flour Mill |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Laborer |
| Township / Ward | Four Mile Township |
| Est. Birth Year | ~1897 |
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.
9 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Hugh Sloan | Son | — | 26 | ~1894 |
| Robert Sloan | Son | — | 20 | ~1900 |
| James Sloan | Son | — | 18 | ~1902 |
| Wilbert Sloan | Son | — | 16 | ~1904 |
| John Sloan | Son | — | 23 | ~1897 |
| Mary Sloan | Spouse | — | 54 | ~1866 |
| Margaret Sloan | Daughter | — | 13 | ~1907 |
| John Sloan | Head | — | 65 | ~1855 |
| Gladys Sloan | Daughter | — | 11 | ~1909 |
Census Appearances
1910
Polk, Iowa
Son, age 13
Polk, Iowa · implied b. ~1897 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sloan |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | England |
| Mother's Birthplace | Ireland |
| Occupation | Farm Laborer |
| Industry | Home Farm |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1920
Polk, Iowa
Son, age 23
Polk, Iowa · implied b. ~1897 — 9 household members
| Surname | Sloan |
| Given Name | John J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | England |
| Mother's Birthplace | Ireland |
| Occupation | Laborer |
| Industry | Flour Mill |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| 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 Sloan across 2 US Census years (1910 and 1920) in Polk, Iowa, using XGBoost record linkage.
Show:
This person
Anchor record
John Sloan
Son · 1920 · age 23 · b. ~1897 · Iowa
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Sibling
Margaret Sloan
Sibling · 1920 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Wilbert Sloan
Sibling · 1920 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Sloan
Sibling · 1920 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hugh Sloan
Sibling · 1920 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Sloan
Sibling · 1920 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gladys Sloan
Sibling · 1920 · age 11
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
50 people indexed on this census page (ia:1920:14thcensusofpopu507unit:0287)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Isabel Boonhill | 35 | Housekeeper | Housekeeper | Iowa |
| 52 | Lynda W. Stuart | 49 | Head | Farmer | Iowa |
| 53 | Alvina L. Stuart | 43 | Wife | — | Iowa |
| 54 | Harlan L. Stuart | 17 | Son | — | Iowa |
| 55 | Clarence W. Stuart | 16 | Son | — | Iowa |
| 56 | Elvin J. Stuart | 8 | Son | — | Iowa |
| 57 | John H. Bickel | 69 | Head | Farmer | Pennsylvania |
| 58 | Sarah E. Bickel | 77 | Wife | — | Pennsylvania |
| 59 | George Steenquist | 34 | Head | Farm Laborer | Sweden |
| 60 | Mabell Steenquist | 31 | Wife | — | Nebraska |
| 61 | Olga V. Steenquist | 4 | Daughter | — | Wyoming |
| 62 | Benjamin Caldwell | 43 | Head | Farmer | Illinois |
| 63 | Carrie M. Caldwell | 45 | Wife | — | Iowa |
| 64 | Arnold E. Caldwell | 10 | Son | — | Iowa |
| 65 | Marguerite Caldwell | 7 | Daughter | — | Iowa |
| 66 | John F. Sheeler | 74 | Head | Farmer | Ohio |
| 67 | Elizabeth S. Sheeler | 79 | Wife | — | Vermont |
| 68 | Joseph Mccaslin | 52 | Head | Farmer | Iowa |
| 69 | Kate B. Mccaslin | 55 | Wife | — | Illinois |
| 70 | Repha Moore | 56 | Head | Housekeeper | Indiana |
| 71 | Scott Maxim | 59 | Head | Farmer | Pennsylvania |
| 72 | Ethel B. Maxim | 42 | Wife | — | Iowa |
| 73 | Jessie G. Maxim | 10 | Daughter | — | Kansas |
| 74 | Eli Gustafson | 68 | Head | Farmer | Sweden |
| 75 | Louise Gustafson | 67 | Wife | — | Sweden |
| 76 | William J. Gustafson | 30 | Son | Farm Laborer | Iowa |
| 77 | Walter W. Casner | 25 | Head | Farmer | Iowa |
| 78 | Minnie B. Casner | 22 | Wife | — | Iowa |
| 79 | Pauline L. Casner | 4 | Daughter | — | Iowa |
| 80 | Mildred J. Casner | 1 | Daughter | — | Iowa |
| 81 | John Sloan | 65 | Head | Farmer | England |
| 82 | Mary B. Sloan | 54 | Wife | — | Ireland |
| 83 | Hugh C. Sloan | 26 | Son | Office Clerk | Iowa |
| 84 | John J. Sloan THIS PERSON | 23 | Son | Laborer | Iowa |
| 85 | Robert E. Sloan | 20 | Son | Farm Laborer | Iowa |
| 86 | James L. Sloan | 18 | Son | Farm Laborer | Iowa |
| 87 | Wilbert Sloan | 16 | Son | — | Iowa |
| 88 | Margaret Sloan | 13 | Daughter | — | Iowa |
| 89 | Gladys Sloan | 11 | Daughter | — | Iowa |
| 90 | Andrew J. Lambert | 47 | Head | Farmer | Ohio |
| 91 | Louisa P. Lambert | 41 | Wife | — | Iowa |
| 92 | Andy N. Lambert | 24 | Son | Farm Laborer | Iowa |
| 93 | Wesley A. Lambert | 16 | Son | Farm Laborer | Iowa |
| 94 | Wallace E. Lambert | 12 | Son | — | Iowa |
| 95 | Harry W. Lambert | 10 | Son | — | Iowa |
| 96 | John E. Olson | 71 | Head | Farmer | Sweden |
| 97 | Ida J. Olson | 73 | Wife | — | Sweden |
| 98 | Charles M. Link | 47 | Head | Farmer | Iowa |
| 99 | Cassie E. Link | 32 | Wife | — | Iowa |
| 100 | Daisy K. Link | 11 | Daughter | — | Iowa |
Related Census Records
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)