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John Savage — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Dubuque-County, Iowa
Our Model Tree links this John Savage across the 1920, 1930 and 1940 US Censuses in Dubuque-County, Iowa (XGBoost, ~Confirmed) — first a head (b.~1878), then head of a 5-person household.
Age 62
b. ~1878
Male
Head
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Dubuque-County, Iowa |
| Surname | Savage |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 62 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Dubuque City |
| 1935 Residence (County) | Dubuque |
| Additional Details | |
| Occupation | Plumber |
| Industry | Plumbing |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1953 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Plumber |
| Township / Ward | Dubuque City |
| Est. Birth Year | ~1878 |
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 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Mary Savage | Daughter | — | 22 | ~1918 |
| Theresa Savage | Spouse | — | 58 | ~1882 |
| Thelma Congrove | Other | — | 39 | ~1901 |
| John Savage | Head | — | 62 | ~1878 |
| John Savage | Son | — | 24 | ~1916 |
Census Appearances
1920
Dubuque, Iowa
Head, age 42
Dubuque, Iowa · implied b. ~1878 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Savage |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | Plumber |
| Industry | Contractor |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Dubuque, Iowa
Head, age 50
Dubuque, Iowa · implied b. ~1880 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Savage |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 24 |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Occupation | Plumber |
| Industry | Plumbing |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 25.00 |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Dubuque-County, Iowa
Head, age 62
Dubuque-County, Iowa · implied b. ~1878 — 5 household members
| Surname | Savage |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 62 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Dubuque City |
| 1935 Residence (County) | Dubuque |
| Occupation | Plumber |
| Industry | Plumbing |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1953 |
| Highest Grade | Hs 4 |
| 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 John Savage across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Savage
Head · 1940 · age 62 · b. ~1878 · Iowa
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Dubuque-County, Iowa
Open full size
1940 US Federal Census — Dubuque-County, Iowa
Page Contents
33 people indexed on this census page (nara:1940:m-t0627-01159-00229)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Jane E. Pallas | 21 | Daughter | — | Iowa |
| 42 | John G. Hillkin | 79 | Head | — | Iowa |
| 43 | Doris Schrader | 48 | Servant | Housekeeper | Iowa |
| 44 | Thomas C. Nielson | 46 | Head | Fireman | Iowa |
| 45 | Madeline S. Nielson | 42 | Wife | — | Iowa |
| 46 | Thomas Jr. Nielson | 12 | Son | — | Iowa |
| 47 | William J. Nielson | 11 | Son | — | Iowa |
| 48 | Rosemary A. Nielson | 4 | Daughter | — | Iowa |
| 49 | Edward J. Connolly | 21 | Brother | Ironworker | Iowa |
| 50 | Grace M. Connolly | 26 | Sister | Training Nurse | Iowa |
| 52 | Harris Cappas | 59 | Head | Machinist | Greece |
| 53 | Euprapia Cappas | 58 | Wife | — | Greece |
| 54 | Rose Cappas | 37 | Daughter | — | Greece |
| 56 | Bert T. Gunderson | 63 | Head | Proprietor | Iowa |
| 57 | Mabel Gunderson | 52 | Wife | — | Illinois |
| 58 | Joan Gunderson | 19 | Daughter | Stenographer | Iowa |
| 60 | Edward L. Eustace | 71 | Head | Plant Superintendent | New Hampshire |
| 61 | Mary L. Eustace | 71 | Wife | — | Vermont |
| 63 | Campbell W. Powers | 63 | Head | Dentist | Canada |
| 64 | Jean G. Powers | 61 | Wife | — | Pennsylvania |
| 65 | Carrie A. Beckett | 72 | Head | — | Iowa |
| 66 | Leslie D. Beckett | 46 | Son | Assembler | Iowa |
| 67 | John Savage THIS PERSON | 62 | Head | Plumber | Iowa |
| 68 | Theresa Savage | 58 | Wife | — | Iowa |
| 69 | John Jr. Savage | 24 | Son | — | Iowa |
| 70 | Mary A. Savage | 22 | Daughter | — | Iowa |
| 71 | Thelma Congrove | 39 | Niece | Supervisor | Iowa |
| 73 | Clemence Coakley | 41 | Head | Training Nurse | Iowa |
| 74 | Doris Jamison | 30 | Partner | Dietician | Illinois |
| 75 | Ray R. Harris | 54 | Head | Medical Doctor | Illinois |
| 76 | Ethel Harris | 49 | Wife | — | Illinois |
| 78 | Thomas G. Mulgrow | 72 | Head | Employer | Iowa |
| 79 | Mary Mulgrow | 69 | Wife | — | Iowa |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 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)