JW
John Watts — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Polk, Iowa
Our Model Tree links this John Watts across the 1900, 1910, 1920 and 1930 US Censuses in Polk, Iowa (XGBoost, ~Confirmed) — first a head (b.~1868), then head of a 3-person household.
Age 62
b. ~1868
Male
Head
Born: Iowa
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Polk, Iowa |
| Surname | Watts |
| Given Name | John C |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 62 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 27 |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Additional Details | |
| Occupation | Farmer |
| Industry | Gen Farm |
| Class of Worker | E |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Veteran | No |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Farmer |
| Township / Ward | Delaware Township |
| Est. Birth Year | ~1868 |
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.
3 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Katherine Watts | Other | — | 58 | ~1872 |
| Alice Watts | Daughter | — | 27 | ~1903 |
| John Watts | Head | — | 62 | ~1868 |
Census Appearances
1900
Polk, Iowa
Head, age 34
Polk, Iowa · implied b. ~1866 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Watts |
| Given Name | John C |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Iowa |
| Birth Month | Aug |
| Birth Year | 1866 |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | Farmer |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1910
Polk, Iowa
Head, age 42
Polk, Iowa · implied b. ~1868 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Watts |
| Given Name | John C |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Iowa |
| Years Married | 15 |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | Farmer |
| Industry | farm |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1920
Polk, Iowa
Head, age 52
Polk, Iowa · implied b. ~1868 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Watts |
| Given Name | John C. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Iowa |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | Farmer |
| Industry | General farm |
| Class of Worker | EM |
| 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
Polk, Iowa
Head, age 62
Polk, Iowa · implied b. ~1868 — 3 household members
| Surname | Watts |
| Given Name | John C |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 62 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 27 |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | Farmer |
| Industry | Gen Farm |
| Class of Worker | E |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Veteran | No |
| 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 Watts across 4 US Census years (1900, 1910, 1920 and 1930) in Polk, Iowa, using XGBoost record linkage.
Show:
This person
Anchor record
John Watts
Head · 1930 · age 62 · b. ~1868 · Iowa
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Polk, Iowa
Open full size
1930 US Federal Census — Polk, Iowa
Page Contents
48 people indexed on this census page (ia:1930:iowacensus00reel678:0098)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Millard G Meyer | 35 | Head | Station Att | Illinois |
| 52 | May L Meyer | 33 | Wife-H | Cook | Iowa |
| 53 | Alice A Meyer | 13 | Daughter | — | Illinois |
| 54 | Thelma M Meyer | 10 | Daughter | — | Iowa |
| 55 | Thomas W Rowat | 41 | Head | Contractor | Iowa |
| 56 | Eyley V Rowat | 43 | Wife-H | — | Iowa |
| 57 | John V Rowat | 11 | Son | — | Iowa |
| 58 | Robert W Rowat | 7 | Son | — | Iowa |
| 59 | Marjorie L Rowat | 3 | Daughter | — | Iowa |
| 60 | Lois Lawson | 28 | Lodger | Teacher | Iowa |
| 61 | James L Clark | 49 | Head | Farmer | Iowa |
| 62 | Emma M Clark | 49 | Wife-H | — | Illinois |
| 63 | William Clark | 83 | Father | — | Iowa |
| 64 | John C Watts THIS PERSON | 62 | Head | Farmer | Iowa |
| 65 | Katherine A Watts | 58 | Wife-H | — | Iowa |
| 66 | Alice A Watts | 27 | Daughter | Superintendent | Iowa |
| 67 | Rolla Thornburg | 37 | Head | Farmer | Iowa |
| 68 | Harriet Thornburg | 36 | Wife-H | — | Iowa |
| 69 | Mary V Thornburg | 14 | Daughter | — | Iowa |
| 70 | Marlin Mohler | 41 | Head | Farmer | Illinois |
| 71 | Myrtle Mohler | 31 | Wife-H | — | Iowa |
| 72 | Arthur Mohler | 5 | Son | — | Iowa |
| 73 | Rolland Mohler | 4 | Son | — | Iowa |
| 74 | Arlene Mohler | 2 | Daughter | — | Iowa |
| 75 | Helen Mohler | 1 | Daughter | — | Iowa |
| 76 | Oliver L Spany | 50 | Head | Farmer | Iowa |
| 77 | Helen Spany | 37 | Wife-H | — | Wisconsin |
| 78 | Gertrude Burdell | 11 | Daughter | — | New Mexico |
| 79 | Shell Helm | 24 | Head | Laborer | Iowa |
| 80 | Irene Helm | 20 | Wife-H | — | Illinois |
| 81 | Richard Helm | 1 | Son | — | Iowa |
| 82 | Adolph Iverson | 52 | Head | Farmer | Denmark |
| 83 | Anna Iverson | 42 | Wife-H | — | Finland |
| 84 | Margaret Iverson | 2 | Daughter | — | Iowa |
| 85 | John Hick | 44 | Head | Farmer | Iowa |
| 86 | Doris L Hick | 41 | Wife-H | — | Iowa |
| 87 | Donald Hick | 19 | Son | Asst Mgr | Iowa |
| 88 | Margaret Hick | 14 | Daughter | — | Iowa |
| 89 | James H Porter | 42 | Head | Farmer | Iowa |
| 90 | Mabel Porter | 42 | Wife-H | — | Iowa |
| 91 | Bernard Porter | 16 | Son | — | Iowa |
| 92 | Langdon Porter | 15 | Son | — | Iowa |
| 93 | Louis Cohen | 69 | Head | Farmer | Poland |
| 94 | Mollie Cohen | 62 | Wife-H | — | Poland |
| 95 | William H Sellers | 38 | Head | Farm | Iowa |
| 96 | Janet Sellers | 39 | Wife-H | — | Iowa |
| 97 | James Sellers | 11 | Son | — | Iowa |
| 98 | Mary Sellers | 8 | Daughter | — | Iowa |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)