JG
James Gardner — 1930 US Census Record
Model Tree available1930 United States Federal Census · Adair, Iowa
Our Model Tree links this James Gardner across the 1920, 1930 and 1940 US Censuses in Adair, Iowa (XGBoost, ~Confirmed), with identified parents William & Agnes — first a son (b.~1907), then head of a 4-person household.
Age 23
b. ~1907
Male
Son
Born: Iowa
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Adair, Iowa |
| Surname | Gardner |
| Given Name | James D. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Additional Details | |
| Occupation | Farm Laborer |
| Industry | Farm |
| Class of Worker | VVVV |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Farm Laborer |
| Township / Ward | Washington Township |
| Est. Birth Year | ~1907 |
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.
4 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Jean Gardner | Daughter | — | 13 | ~1917 |
| Betsy Gardner | Daughter | — | 33 | ~1897 |
| Agnes Gardner | Head | — | 59 | ~1871 |
| James Gardner | Son | — | 23 | ~1907 |
Census Appearances
1920
Adair, Iowa
Son, age 15
Adair, Iowa · implied b. ~1905 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gardner |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Adair, Iowa
Son, age 23
Adair, Iowa · implied b. ~1907 — 4 household members
| Surname | Gardner |
| Given Name | James D. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Farm Laborer |
| Industry | Farm |
| Class of Worker | VVVV |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Adair-County, Iowa
Head, age 33
Adair-County, Iowa · implied b. ~1907
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Gardner |
| Given Name | Jim |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Washington Township |
| 1935 Residence (County) | Adair |
| Occupation | Farmer |
| Industry | Crop & livestock farming |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | G 8 |
| 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 James Gardner across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Gardner (~0.92 confidence) and mother Agnes Gardner (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Gardner
b. ~1870
Source father
● Household
· direct · ~0.92
Mother
Agnes Gardner
b. ~1871
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Gardner
Son · 1930 · age 23 · b. ~1907 · Iowa
★ You are viewing this record
Sibling
Jean Gardner
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betsy Gardner
Sibling · 1930 · age 33
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 — Adair, Iowa
Open full size
1930 US Federal Census — Adair, Iowa
Page Contents
50 people indexed on this census page (ia:1930:iowacensus00reel640:0299)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Christina M. Vorrath | 19 | Wife-H | — | Iowa |
| 2 | Donald H. Vorrath | 23 | Brother | Farmer | Iowa |
| 3 | Carl C. Bloom | 40 | Head | Farmer | Iowa |
| 4 | Nellie Bloom | 38 | Wife-H | — | Iowa |
| 5 | Eylun L. Bloom | 17 | Daughter | — | Iowa |
| 6 | Fanny Bloom | 16 | Daughter | — | Iowa |
| 7 | Dennis A. Bloom | 14 | Son | — | Iowa |
| 8 | Earl N. Bloom | 12 | Son | — | Iowa |
| 9 | Warren L. Bloom | 10 | Son | — | Iowa |
| 10 | Chester L. Bloom | 8 | Son | — | Iowa |
| 11 | Robert N. Bloom | 6 | Son | — | Iowa |
| 12 | Elmer A. Dodge | 32 | Head | Farmer | Iowa |
| 13 | Sylvia L. Dodge | 29 | Wife-H | — | Iowa |
| 14 | Arlith P. Dodge | 7 | Daughter | — | Iowa |
| 15 | Velma Dodge | 4 | Daughter | — | Iowa |
| 16 | J. Henry Hanck | 58 | Head | Farmer | New York |
| 17 | Ona Hanck | 51 | Wife-H | — | Iowa |
| 18 | Grace H. Hanck | 30 | Daughter | — | Iowa |
| 19 | Agnes Gardner | 59 | Head | Farmer | Scotland |
| 20 | Betsy W. Gardner | 33 | Daughter | — | Iowa |
| 21 | James D. Gardner THIS PERSON | 23 | Son | Farm Laborer | Iowa |
| 22 | Jean I. Gardner | 13 | Daughter | — | Iowa |
| 23 | Floyd H. Stuve | 23 | Head | Farmer | Iowa |
| 24 | Nellie E. Stuve | 19 | Wife-H | — | Iowa |
| 25 | Virgil W. Stuve | 1 | Son | — | Iowa |
| 26 | Lester Stuve | 14 | Brother | — | Iowa |
| 27 | Rolland W. Simmons | 28 | Head | Laborer | Iowa |
| 28 | Alice M. Simmons | 23 | Wife-H | — | Iowa |
| 29 | Maxine D. Simmons | 2 | Daughter | — | Iowa |
| 30 | Rolland J. Simmons | 0 | Son | — | Iowa |
| 31 | Charles H. Beaman | 37 | Head | Farmer | Iowa |
| 32 | Grace M. Beaman | 36 | Wife-H | — | Iowa |
| 33 | M. Wayne Beaman | 14 | Son | — | Iowa |
| 34 | Kenneth L. Beaman | 12 | Son | — | Iowa |
| 35 | Lyle C. Beaman | 9 | Son | — | Iowa |
| 36 | Millie J. Moar | 74 | Head | Farmer | Iowa |
| 37 | Theodore Woods | 52 | Servant | Farm Laborer | Iowa |
| 38 | James S. Hagadone | 57 | Head | Farmer | New York |
| 39 | Alma M. Hagadone | 49 | Wife-H | — | Denmark |
| 40 | J. Bruce Hagadone | 12 | Son | — | Iowa |
| 41 | Dale L. Keating | 26 | Step-son | Farm Laborer | Iowa |
| 42 | Clifford T. Sulgrove | 41 | Head | Farmer | Iowa |
| 43 | Grace M. Sulgrove | 41 | Wife-H | — | Colorado |
| 44 | Marlyn W. Sulgrove | 16 | Son | — | Iowa |
| 45 | Marjorie E. Sulgrove | 14 | Daughter | — | Iowa |
| 46 | Lois V. Sulgrove | 4 | Daughter | — | Iowa |
| 47 | Catherine A. Darling | 72 | Mother-in-law | — | Wisconsin |
| 48 | Arthur R. Hartsell | 49 | Head | Farmer | Iowa |
| 49 | Emma G. Hartsell | 49 | Wife-H | — | Iowa |
| 50 | Frederick D. Murphy | 53 | Head | Farmer | Iowa |
Pedigree Summary
James + 2 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 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)