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John Maloney — 1930 US Census Record
Model Tree available1930 United States Federal Census · Dubuque, Iowa
Our Model Tree links this John Maloney across the 1920, 1930 and 1940 US Censuses in Dubuque, Iowa (XGBoost, ~Confirmed), with identified parents John & Margaret — first a son (b.~1908), then head of a 5-person household.
Age 22
b. ~1908
Male
Son
Born: Iowa
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Dubuque, Iowa |
| Surname | Maloney |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Illinois |
| Additional Details | |
| Occupation | Salesman |
| Industry | Shoe Co. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Salesman |
| Township / Ward | Dubuque City |
| Est. Birth Year | ~1908 |
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.
5 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Maloney | Head | — | 59 | ~1871 |
| Gertrude Maloney | Other | — | 27 | ~1903 |
| O'Hern Maloney | Other | — | 70 | ~1860 |
| John Maloney | Son | — | 22 | ~1908 |
| Margaret Maloney | Spouse | — | 58 | ~1872 |
Census Appearances
1920
Dubuque, Iowa
Son, age 13
Dubuque, Iowa · implied b. ~1907 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Maloney |
| Given Name | John J. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Illinois |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Dubuque, Iowa
Son, age 22
Dubuque, Iowa · implied b. ~1908 — 5 household members
| Surname | Maloney |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Illinois |
| Occupation | Salesman |
| Industry | Shoe Co. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Dubuque-County, Iowa
Head, age 32
Dubuque-County, Iowa · implied b. ~1908 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Molony |
| Given Name | John J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Dubuque |
| Occupation | farmer |
| Industry | farm |
| Class of Worker | OA |
| Hours Worked | 30 |
| Income (1939) | 480 |
| 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 John Maloney across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Maloney (~0.92 confidence) and mother Margaret Maloney (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Maloney
b. ~1871
Source father
● Household
· direct · ~0.92
Mother
Margaret Maloney
b. ~1875
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Maloney
Son · 1930 · age 22 · b. ~1908 · Iowa
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Dubuque, Iowa
Open full size
1930 US Federal Census — Dubuque, Iowa
Page Contents
48 people indexed on this census page (ia:1930:iowacensus00reel654:0024)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | John W. Butler | 69 | Head | Laborer | Iowa |
| 52 | Henry Harrar | 63 | Head | Laborer | Iowa |
| 53 | Emma Harrar | 54 | Wife | None | Iowa |
| 54 | Theda Harrar | 25 | Daughter | Typist | Iowa |
| 55 | Esther Harrar | 15 | Daughter | None | Iowa |
| 56 | Donald Harrar | 11 | Grandson | None | Indiana |
| 57 | Edith Harrar | 9 | Granddaughter | None | Indiana |
| 58 | Edward Dunn | 52 | Head | Laborer | Iowa |
| 59 | Rose Dunn | 45 | Wife | None | Iowa |
| 60 | Leo Dunn | 12 | Son | None | Iowa |
| 61 | Eileen Dunn | 7 | Daughter | None | Iowa |
| 62 | Carlyn Dunn | 6 | Daughter | None | Iowa |
| 63 | Risdorf Mary Dunn | 18 | Niece | Laborer | Iowa |
| 64 | Brady Marcella Dunn | 14 | Niece | None | Iowa |
| 65 | Clements Quade | 69 | Head | Laborer | Wisconsin |
| 66 | Julia Quade | 60 | Wife | None | Illinois |
| 67 | Hulda Quade | 37 | Daughter | Dressmaker | Wisconsin |
| 68 | Bernetta Quade | 33 | Daughter | Saleswoman | Wisconsin |
| 69 | Elma Quade | 31 | Daughter | Cosmetician | Wisconsin |
| 70 | Fergus Gallagher | 75 | Head | Laborer | Iowa |
| 71 | Edna Gallagher | 76 | Wife | Servant | New York |
| 72 | Catherine Gallagher | 22 | Daughter | Clerk | Iowa |
| 73 | James Gallagher | 12 | Son | None | Iowa |
| 74 | Jane Gallagher | 10 | Daughter | None | Tennessee |
| 75 | Edna Marie Gallagher | 8 | Granddaughter | None | Oklahoma |
| 76 | Patrick H. Traynor | 54 | Head | Engineer | Iowa |
| 77 | Agnes L. Traynor | 49 | Wife | None | Iowa |
| 78 | Gerald E. Traynor | 19 | Son | Apprentice | Illinois |
| 79 | Clifford E. Traynor | 17 | Son | None | Illinois |
| 80 | Agnes H. Traynor | 15 | Daughter | None | Illinois |
| 81 | Robert E. Traynor | 10 | Son | None | Illinois |
| 82 | Monia Peter Traynor | 45 | Brother-in-law | Fireman | Iowa |
| 83 | Earl A. Hollister | 40 | Head | Editor | New York |
| 84 | Ruby A. Hollister | 35 | Wife | None | Illinois |
| 85 | Lorraine A. Hollister | 16 | Daughter | None | Iowa |
| 86 | John J. Maloney | 59 | Head | Woodworker | Iowa |
| 87 | Margaret Maloney | 58 | Wife | None | Illinois |
| 88 | John Maloney THIS PERSON | 22 | Son | Salesman | Iowa |
| 89 | Gertrude Maloney | 27 | Cousin | Maid | Illinois |
| 90 | O'Hern Patrick Maloney | 70 | Lodger | None | New York |
| 91 | Harry Barringer | 26 | Head | Clerk | Iowa |
| 92 | Marie Barringer | 26 | Wife | None | Iowa |
| 93 | Robert Barringer | 2 | Son | None | Iowa |
| 94 | Donald Barringer | 0 | Son | None | Iowa |
| 95 | Joseph L. Richard | 53 | Head | Janitor | Wisconsin |
| 96 | Ida Richard | 40 | Wife | None | Iowa |
| 97 | Gretchen Richard | 13 | Daughter | None | Minnesota |
| 98 | Meis Anna Richard | 72 | Mother-in-law | None | Iowa |
Pedigree Summary
John
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)