JT
James Todd — 1930 US Census Record
Model Tree available1930 United States Federal Census · Dallas, Iowa
Our Model Tree links this James Todd across the 1920, 1930 and 1940 US Censuses in Dallas, Iowa (XGBoost, ~Confirmed), with identified parents Arthur & Lena — first a son (b.~1913), then head of a 12-person household.
Age 17
b. ~1913
Male
Son
Born: Iowa
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Dallas, Iowa |
| Surname | Todd |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Dallas Township |
| Est. Birth Year | ~1913 |
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.
12 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Alda Doyle | Other | — | 21 | ~1909 |
| Thos Royal | Other | — | 17 | ~1913 |
| Ira Cummins | Other | — | 37 | ~1893 |
| Mary Cummins | Other | — | 66 | ~1864 |
| Art Todd | Other | — | 43 | ~1887 |
| Edward Cummins | Head | — | 35 | ~1895 |
| Lena Todd | Other | — | 41 | ~1889 |
| Myrna Todd | Daughter | — | 6 | ~1924 |
| Delia Cummins | Other | — | 41 | ~1889 |
| James Todd | Son | — | 17 | ~1913 |
| Ruby Doyle | Other | — | 18 | ~1912 |
| Donald Todd | Son | — | 15 | ~1915 |
Census Appearances
1920
Dallas, Iowa
Son, age 7
Dallas, Iowa · implied b. ~1913 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Todd |
| Given Name | James B. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Can Read | Yes |
| Can Write | No |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Dallas, Iowa
Son, age 17
Dallas, Iowa · implied b. ~1913 — 12 household members
| Surname | Todd |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| 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
Dallas-County, Iowa
Head, age 28
Dallas-County, Iowa · implied b. ~1912 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Todd |
| Given Name | Jim |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Boone |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 420 |
| Highest Grade | H 4 |
| 1935 Residence | Iowa |
| 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 Todd across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Arthur Todd (~0.92 confidence) and mother Lena Todd (~0.92 confidence) and father Edward Cummins (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Arthur Todd
b. ~1887
Source father
● Household
· direct · ~0.92
Mother
Lena Todd
b. ~1889
Source mother
● Household
· direct · ~0.92
Father
Edward Cummins
b. ~1895
Source father
● Household
· direct · ~0.92
This person
Anchor record
James Todd
Son · 1930 · age 17 · b. ~1913 · Iowa
★ You are viewing this record
Sibling
Myrna Todd
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Todd
Sibling · 1930 · age 15
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 — Dallas, Iowa
Open full size
1930 US Federal Census — Dallas, Iowa
Page Contents
50 people indexed on this census page (ia:1930:iowacensus00reel650:0956)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Edward Cummins | 35 | Head | Farmer | Wisconsin |
| 52 | Mary Cummins | 66 | Mother | — | Wisconsin |
| 53 | Delia Cummins | 41 | Sister | — | Iowa |
| 54 | Ira Cummins | 37 | Sister | — | Iowa |
| 55 | Thos Royal | 17 | Lodger | Laborer | Illinois |
| 56 | Art Todd | 43 | M | Farmer | Illinois |
| 57 | Lena Todd | 41 | Wife-H | — | Iowa |
| 58 | James Todd THIS PERSON | 17 | Son | — | Iowa |
| 59 | Donald Todd | 15 | Son | — | Iowa |
| 60 | Myrna Todd | 6 | Daughter | — | Iowa |
| 61 | Alda Doyle | 21 | Lodger | Laborer | Oklahoma |
| 62 | Ruby Doyle | 18 | Servant | Housework | Missouri |
| 63 | Leland During | 36 | Head | Farmer | Illinois |
| 64 | Mabel During | 34 | Wife | — | Iowa |
| 65 | Arthur Hollingworth | 28 | Head | Farmer | Iowa |
| 66 | Nathalie Hollingworth | 28 | Wife | — | Colorado |
| 67 | V. Gust Lindell | 49 | R | Farmer | Sweden |
| 68 | Emilie Lindell | 42 | Wife-H | — | Nebraska |
| 69 | Zelma Lindell | 17 | Daughter | — | Iowa |
| 70 | Richard Lindell | 15 | Son | — | Iowa |
| 71 | Victor Lindell | 10 | Son | — | Iowa |
| 72 | John J. Muir | 37 | R | Farmer | Illinois |
| 73 | Katherine Muir | 31 | Wife-H | — | Illinois |
| 74 | Eunice Muir | 11 | Daughter | — | Minnesota |
| 75 | Wilma Muir | 7 | Daughter | — | Minnesota |
| 76 | John J. Muir | 3 | Son | — | Illinois |
| 77 | Robert Taylor | 74 | Head | Farmer | Wisconsin |
| 78 | Eulene Taylor | 71 | Wife-H | — | New York |
| 79 | Thad. Argo | 68 | Head | Farmer | Wisconsin |
| 80 | Coy C. Baker | 28 | R | Farmer | Iowa |
| 81 | Florence Baker | 29 | Wife-H | — | Iowa |
| 82 | Mary Jane Baker | 0 | Daughter | — | Iowa |
| 83 | Rudolph Tingwald | 41 | R | Farmer | Iowa |
| 84 | Laura Tingwald | 42 | Wife-H | — | Iowa |
| 85 | Martha Tingwald | 18 | Daughter | Housemaid | Iowa |
| 86 | Kenneth Tingwald | 16 | Son | — | Iowa |
| 87 | Howard Tingwald | 14 | Son | — | Iowa |
| 88 | Mary Tingwald | 9 | Daughter | — | Iowa |
| 89 | Donald Tingwald | 6 | Son | — | Iowa |
| 90 | Charles Hausman | 59 | R | Farmer | Iowa |
| 91 | Martha Hausman | 56 | Wife | — | Iowa |
| 92 | Clement Boynton | 54 | O | Farmer | Wisconsin |
| 93 | Lois Boynton | 24 | Wife-H | — | Iowa |
| 94 | Hattie Hite | 77 | Aunt | — | Wisconsin |
| 95 | James Mccormick | 43 | R | Farmer | Illinois |
| 96 | Sarah Mccormick | 41 | Wife-H | — | Illinois |
| 97 | Naomi Mccormick | 16 | Daughter | — | Illinois |
| 98 | Richard Mccormick | 14 | Son | — | Illinois |
| 99 | Peter C. Friedrichsen | 52 | O | Farmer | Germany |
| 100 | Margaret Friedrichsen | 57 | Wife-H | — | Iowa |
Pedigree Summary
James + 2 siblings
Gen 1 · 3 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)