JM
John Mack — 1940 US Census Record
Model Tree available1940 United States Federal Census · Ramsey-County, Minnesota
Our Model Tree links this John Mack across the 1920, 1930 and 1940 US Censuses in Ramsey-County, Minnesota (XGBoost, ~Confirmed), with identified parents John & Ella — first a head (b.~1895), then head of a 8-person household.
Age 45
b. ~1895
Male
Head
Born: Minnesota
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Ramsey-County, Minnesota |
| Surname | Mack |
| Given Name | John A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Minnesota |
| 1935 Residence (City) | St. Paul City |
| Additional Details | |
| Occupation | oven worker |
| Industry | Coke Plant |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 2400 |
| Highest Grade | H 2 |
| 1935 Residence | Same house |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | Oven Worker |
| Township / Ward | St Paul City |
| Est. Birth Year | ~1895 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Caroline Mack | Spouse | — | 38 | ~1902 |
| Ronald Mack | Son | — | 10 | ~1930 |
| Ellen Mack | Daughter | — | 18 | ~1922 |
| Robert Mack | Son | — | 4 | ~1936 |
| Delores Mack | Daughter | — | 8 | ~1932 |
| John Mack | Son | — | 16 | ~1924 |
| John Mack | Head | — | 45 | ~1895 |
| Mary Jensen | Other | — | 21 | ~1919 |
Census Appearances
1920
Ramsey, Minnesota
Son, age 24
Ramsey, Minnesota · implied b. ~1896 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mack |
| Given Name | John A |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Checker |
| Industry | Wholesale Co |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1930
Ramsey, Minnesota
Head, age 35
Ramsey, Minnesota · implied b. ~1895 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mack |
| Given Name | John A |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Minnesota |
| Age at First Marriage | 25 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Salesman |
| Industry | Barber Supplies |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 37.50 |
| Radio Set | R |
| Veteran | Yes WW |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Ramsey-County, Minnesota
Head, age 45
Ramsey-County, Minnesota · implied b. ~1895 — 8 household members
| Surname | Mack |
| Given Name | John A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Minnesota |
| 1935 Residence (City) | St. Paul City |
| Occupation | oven worker |
| Industry | Coke Plant |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 2400 |
| Highest Grade | H 2 |
| 1935 Residence | Same house |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
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 Mack across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Mack (~0.92 confidence) and mother Ella Mack (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Mack
b. ~1864
Source father
● Household
· direct · ~0.92
Mother
Ella Mack
b. ~1867
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Mack
Head · 1940 · age 45 · b. ~1895 · Minnesota
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Ramsey-County, Minnesota
Open full size
1940 US Federal Census — Ramsey-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02001-00382)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Eugenia M. Johnson | 26 | Wife | Housekeeper | Washington |
| 2 | Lawrence F. Johnson | 31 | Head | Steward | Sweden |
| 3 | Victor J. Virchow | 42 | Head | Dentist | Iowa |
| 4 | Bertha G. Virchow | 44 | Wife | — | New York |
| 5 | John O. Griffiths | 78 | Father-in-law | — | New York |
| 6 | Alvin G. Haas | 44 | Head | Operator | Iowa |
| 7 | Hazel A. Haas | 31 | Wife | — | Minnesota |
| 8 | Karen A. Haas | 1 | Daughter | — | Minnesota |
| 9 | John G. Roth | 29 | Head | Foreman | Washington |
| 10 | Myrtle A. Roth | 22 | Wife | — | Minnesota |
| 11 | Casper Rude | 36 | Head | Machinist | Wisconsin |
| 12 | Dora Rude | 36 | Wife | — | Iowa |
| 13 | Edward H. Moeller | 22 | Head | Salesman | Minnesota |
| 14 | Patricia R. Moeller | 22 | Wife | — | Minnesota |
| 15 | John A. Mack THIS PERSON | 45 | Head | Oven Worker | Minnesota |
| 16 | Caroline M. Mack | 38 | Wife | Clerk | Minnesota |
| 17 | Ellen A. Mack | 18 | Daughter | Switchboard Operator | Minnesota |
| 18 | John A. Mack | 16 | Son | — | Minnesota |
| 19 | Ronald G. Mack | 10 | Son | — | Minnesota |
| 20 | Delores M. Mack | 8 | Daughter | — | Minnesota |
| 21 | Robert W. Mack | 4 | Son | — | Minnesota |
| 22 | Mary E. Jensen | 21 | Housekeeper | House Keeper | Wisconsin |
| 23 | Carol L. Johnson | 24 | Head | Clerk | Minnesota |
| 24 | Louise I. Menkel | 26 | Partner | Sales Girl | Minnesota |
| 25 | Norman C. Granger | 32 | Head | Proprietor | So. Dakota |
| 26 | Ida L. Granger | 32 | Wife | — | Minnesota |
| 27 | Edward A. Jahr | 34 | Brother-in-law | Painter | Minnesota |
| 28 | Shirley M. Jahr | 5 | Niece | — | Minnesota |
| 29 | William R. Jahr | 3 | Nephew | — | Minnesota |
| 30 | Fred W. Faxon | 47 | Head | Book Keeper | Minnesota |
| 31 | Ruth M. Faxon | 28 | Wife | — | Michigan |
| 32 | Dean W. Faxon | 5 | Son | — | Minnesota |
| 33 | Louis Nepple | 49 | Head | Coach Trimmer | Wisconsin |
| 34 | Lucy E. Nepple | 44 | Wife | — | Wisconsin |
| 35 | Jeanette M. Nepple | 21 | Daughter | Waitress | Wisconsin |
| 36 | Leslie W. Nepple | 26 | Son | Truck Driver | Wisconsin |
| 37 | John E. Nepple | 19 | Son | Soldier | Wisconsin |
| 38 | Verval Nepple | 25 | Daughter-in-law | Nurse | Iowa |
| 39 | Irene L. Nepple | 21 | Daughter-in-law | — | Minnesota |
| 40 | Jeanette G. Nepple | 2 | Granddaughter | — | Minnesota |
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 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)