JM
John Mueller — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Dubuque, Iowa
Our Model Tree links this John Mueller across the 1920 and 1930 US Censuses in Dubuque, Iowa (XGBoost, ~Confirmed) — first a head (b.~1869), then head of a 11-person household.
Age 61
b. ~1869
Male
Head
Born: Luxemburg
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Dubuque, Iowa |
| Surname | Mueller |
| Given Name | John P. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 61 |
| Marital Status | Married |
| Birthplace | Luxemburg |
| Year of Immigration | 1870 |
| Age at First Marriage | 51 |
| Father's Birthplace | Luxemburg |
| Mother's Birthplace | Luxemburg |
| Additional Details | |
| Occupation | Cement worker |
| Industry | Street Contractor |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | German |
| Home Owned/Rented | O |
| Home Value / Rent | 4500 |
| Birthplace (normalized) | luxemburg |
| Occupation | Cement Worker |
| Township / Ward | Dubuque City |
| Est. Birth Year | ~1869 |
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.
11 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Dorothy Mcclain | Daughter | — | 4 | ~1926 |
| John Mueller | Head | — | 61 | ~1869 |
| Kate Mueller | Other | — | 64 | ~1866 |
| Mary Mcclain | Other | — | 45 | ~1885 |
| Eldora Lane | Other | — | 20 | ~1910 |
| Charles Mcclain | Other | — | 45 | ~1885 |
| John Lane | Other | — | 28 | ~1902 |
| Leroy Mcclain | Son | — | 13 | ~1917 |
| Virgil Mcclain | Son | — | 10 | ~1920 |
| James Mcclain | Son | — | 16 | ~1914 |
| Frank Mcclain | Son | — | 17 | ~1913 |
Census Appearances
1920
Plymouth, Iowa
Head, age 48
Plymouth, Iowa · implied b. ~1872 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mueller |
| Given Name | J. P. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Luxemburg |
| Naturalization Status | Naturalized |
| Father's Birthplace | Luxemburg |
| Mother's Birthplace | Luxemburg |
| Occupation | Butcher |
| Industry | Meat Market |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Luxemburg |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Year of Naturalization | Un |
| Birthplace (normalized) | luxemburg |
1930
Dubuque, Iowa
Head, age 61
Dubuque, Iowa · implied b. ~1869 — 11 household members
| Surname | Mueller |
| Given Name | John P. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 61 |
| Marital Status | Married |
| Birthplace | Luxemburg |
| Year of Immigration | 1870 |
| Age at First Marriage | 51 |
| Father's Birthplace | Luxemburg |
| Mother's Birthplace | Luxemburg |
| Occupation | Cement worker |
| Industry | Street Contractor |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | German |
| Home Owned/Rented | O |
| Home Value / Rent | 4500 |
| Birthplace (normalized) | luxemburg |
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 Mueller across 2 US Census years (1920 and 1930) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Mueller
Head · 1930 · age 61 · b. ~1869 · 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
50 people indexed on this census page (ia:1930:iowacensus00reel654:0223)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John Baumgartner | 40 | Head | Laborer | Iowa |
| 2 | Margaret Baumgartner | 34 | Wife-H | None | New York |
| 3 | Jack Baumgartner | 15 | Son | None | Iowa |
| 4 | Carl Baumgartner | 17 | Son | Laborer | Iowa |
| 5 | August Henning | 50 | Head | None | Iowa |
| 6 | Ida Henning | 44 | Wife-H | Servant | Germany |
| 7 | Joseph Graf | 63 | Head | Washer | New York |
| 8 | Lillian Haug | 29 | Servant | Servant | Iowa |
| 9 | Harry Lucas | 58 | Head | Machinist | Iowa |
| 10 | Margaret Lucas | 50 | Wife-H | None | Iowa |
| 11 | Margaret Lucas | 19 | Daughter | Office Work | Iowa |
| 12 | Catherine Lucas | 15 | Daughter | None | Iowa |
| 13 | Philip Rohrbach | 41 | Head | Cabinet Maker | Iowa |
| 14 | Florence Rohrbach | 41 | Wife-H | None | Iowa |
| 15 | Florence Rohrbach | 18 | Daughter | Telephone Operator | Iowa |
| 16 | Leo Rohrbach | 15 | Son | None | Iowa |
| 17 | Ralph Rohrbach | 14 | Son | None | Iowa |
| 18 | John Schneider | 42 | Head | Laborer | Iowa |
| 19 | Sophia Schneider | 36 | Sister-H | Machine Operator | Iowa |
| 20 | John J. Lenihan | 56 | Head | Merchant Tailor | Iowa |
| 21 | Mary Lenihan | 58 | Wife-H | None | Iowa |
| 22 | Lucille A. Lenihan | 22 | Daughter | Teacher | Missouri |
| 23 | Josephine Lenihan | 19 | Daughter | None | Iowa |
| 24 | Bart E. Lenihan | 24 | Son | Salesman | Missouri |
| 25 | John P. Mueller THIS PERSON | 61 | Head | Cement Worker | Luxemburg |
| 26 | Kate A. Mueller | 64 | Wife-H | None | Prussia Germany |
| 27 | John Lane | 28 | R | Laborer | New York |
| 28 | Eldora Lane | 20 | Wife-H | None | Nebraska |
| 29 | Charles Mcclain | 45 | R | Laborer | Wisconsin |
| 30 | Mary Mcclain | 45 | Wife-H | Paperhanger | Wisconsin |
| 31 | Frank Mcclain | 17 | Son | Laborer | Wisconsin |
| 32 | James Mcclain | 16 | Son | None | Wisconsin |
| 33 | Leroy Mcclain | 13 | Son | None | Wisconsin |
| 34 | Virgil Mcclain | 10 | Son | None | Wisconsin |
| 35 | Dorothy Mcclain | 4 | Daughter | None | Wisconsin |
| 36 | Herman J. Tapelt | 51 | Head | Machinist | Iowa |
| 37 | Florence Tapelt | 40 | Wife-H | None | Wisconsin |
| 38 | Earl C. Peck | 26 | Head | Clerk | Iowa |
| 39 | Mabel Peck | 25 | Wife-H | None | Iowa |
| 40 | Elaine Peck | 5 | Daughter | None | Iowa |
| 41 | Walter Schmidlin | 43 | R | Drayman | Wisconsin |
| 42 | Elizabeth Schmidlin | 57 | Wife-H | None | United States |
| 43 | Stanley J. Berschied | 37 | R | Mechanic | Minnesota |
| 44 | Henrietta Berschied | 37 | Wife-H | None | Iowa |
| 45 | Matthew Lembree | 71 | R | Book Agent | Wisconsin |
| 46 | Carrie S. Lembree | 68 | Wife-H | None | Iowa |
| 47 | Joseph Friedrich | 58 | Head | Bookkeeper | Germany |
| 48 | Louise Friedrich | 48 | Wife-H | None | Iowa |
| 49 | Joseph Jr. Friedrich | 6 | Son | None | Iowa |
| 50 | Henry Duff | 50 | Head | Traveling Salesman | Wisconsin |
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)