JA
James Adams — 1930 US Census Record
Model Tree available1930 United States Federal Census · Polk, Iowa
Our Model Tree links this James Adams across the 1910, 1920 and 1930 US Censuses in Polk, Iowa (XGBoost, ~Confirmed), with identified parents James & James — first a son (b.~1911), then head of a 7-person household.
Age 19
b. ~1911
Male
Son
Born: Iowa
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Polk, Iowa |
| Surname | Adams |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Additional Details | |
| Occupation | Common Labor |
| Industry | Coal Mine |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Common Labor |
| Township / Ward | Des Moines |
| Est. Birth Year | ~1911 |
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.
7 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Peggy Adams | Daughter | — | 5 | ~1925 |
| Jennie Adams | Daughter | — | 16 | ~1914 |
| James Adams | Head | — | 51 | ~1879 |
| James Adams | Son | — | 19 | ~1911 |
| Frederick Adams | Son | — | 7 | ~1923 |
| Marion Adams | Son | — | 18 | ~1912 |
| Jessie Adams | Spouse | — | 47 | ~1883 |
Census Appearances
1910
Polk, Iowa
Son, age
Polk, Iowa · implied b. ~1910 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Adams |
| Given Name | James T |
| 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 |
1920
Polk, Iowa
Son, age 9
Polk, Iowa · implied b. ~1911 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Adams |
| Given Name | James |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Polk, Iowa
Son, age 19
Polk, Iowa · implied b. ~1911 — 7 household members
| Surname | Adams |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | Common Labor |
| Industry | Coal Mine |
| Class of Worker | W |
| Can Read/Write | Yes |
| 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 James Adams across 3 US Census years (1910, 1920 and 1930) in Polk, Iowa, using XGBoost record linkage. Identified parents: father James Adams (~0.92 confidence) and father James Adams (~0.92 confidence) and father John Adams (~0.92 confidence) and mother Ella Adams (~0.92 confidence) and mother Jessie Adams (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Adams
b. ~1879
Source father
● Household
· direct · ~0.92
Father
James Adams
b. ~1878
Source father
● Household
· direct · ~0.92
Father
John Adams
b. ~1879
Source father
● Household
· direct · ~0.92
Mother
Ella Adams
b. ~1882
Source mother
● Household
· direct · ~0.92
Mother
Jessie Adams
b. ~1883
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Adams
Son · 1930 · age 19 · b. ~1911 · Iowa
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Sibling
Jennie Adams
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frederick Adams
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marion Adams
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Peggy Adams
Sibling · 1930 · age 5
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
1930 US Federal Census — Polk, Iowa
Open full size
1930 US Federal Census — Polk, Iowa
Page Contents
27 people indexed on this census page (ia:1930:iowacensus00reel677:0913)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Harry J. Adams | 45 | Head | Carpenter | Michigan |
| 2 | Mabel A. Adams | 42 | Wife | Proprietor | Michigan |
| 3 | John B. Smithberg | 74 | Boarder | — | Sweden |
| 4 | Charles A. Freeman | 35 | Head | Operator | West Virginia |
| 5 | Violet Freeman | 22 | Wife | — | Missouri |
| 6 | Claude Bezingue | 38 | Head | Miner | France |
| 7 | Sylvie Bezingue | 36 | Wife | — | France |
| 8 | Claude J. Bezingue | 18 | Son | Mechanic | France |
| 9 | Mathilde Bezingue | 12 | Daughter | — | Kansas |
| 10 | Lee H. Hatfield | 37 | Head | Hauling | Missouri |
| 11 | Amanda E. Hatfield | 22 | Wife | Housekeeper | Iowa |
| 12 | Anton F. Barney | 8 | Roomer | — | Iowa |
| 13 | Loren Hamilton | 26 | Roomer | Hauling | Missouri |
| 14 | — | None | — | — | — |
| 15 | Byron A. French | 75 | Head | — | Illinois |
| 16 | — | None | — | — | — |
| 17 | James M. Adams | 51 | Head | Common Labor | Iowa |
| 18 | Jessie L. Adams | 47 | Wife | — | Iowa |
| 19 | James Adams THIS PERSON | 19 | Son | Common Labor | Iowa |
| 20 | Marion O. Adams | 18 | Son | Common Labor | Iowa |
| 21 | Jennie A. Adams | 16 | Daughter | Common Labor | Iowa |
| 22 | Frederick W. Adams | 7 | Son | — | Iowa |
| 23 | Peggy J. Adams | 5 | Daughter | — | Iowa |
| 24 | Sarah A. Reeves | 68 | Head | — | Iowa |
| 25 | William R. Reeves | 35 | Son | Common Labor | Iowa |
| 26 | Julia C. Rodman | 83 | Head | — | Ohio |
| 27 | John W. Webb | 69 | Roomer | Common Labor | Iowa |
Related Census Records
Pedigree Summary
James + 4 siblings
Gen 1 · 5 parents
~0.92
Max depth 4 (1900–1950 window)
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)