MK
Mary Koch — 1910 US Census Record
Linked across censuses1910 United States Federal Census · Ramsey, Minnesota
Our Model Tree links this Mary Koch across the 1910, 1920 and 1930 US Censuses in Ramsey, Minnesota (XGBoost, ~Confirmed) — first a head (b.~1856), then head of a 7-person household.
Age 54
b. ~1856
Female
Head
Born: Germany
Separated
1910 Census Record Details
| Census Year | 1910 |
| Location | Ramsey, Minnesota |
| Surname | Koch |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 54 |
| Marital Status | Separated |
| Birthplace | Germany |
| Children Born | 8 |
| Children Living | 7 |
| Year of Immigration | 1857 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Additional Details | |
| Occupation | none |
| Birth Country | Germany |
| Birthplace (normalized) | germany |
| Township / Ward | St Paul City |
| Est. Birth Year | ~1856 |
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.
7 people recorded at the same address in the 1910 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Koch | Daughter | — | 27 | ~1883 |
| Mary Koch | Head | — | 54 | ~1856 |
| John Koch | Son | — | 12 | ~1898 |
| Elsie Koch | Daughter | — | 21 | ~1889 |
| Charles Koch | Son | — | 29 | ~1881 |
| Christina Koch | Other | — | 81 | ~1829 |
| Thomas Koch | Son | — | 19 | ~1891 |
Census Appearances
1910
Ramsey, Minnesota
Head, age 54
Ramsey, Minnesota · implied b. ~1856 — 7 household members
| Surname | Koch |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 54 |
| Marital Status | Separated |
| Birthplace | Germany |
| Children Born | 8 |
| Children Living | 7 |
| Year of Immigration | 1857 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Occupation | none |
| Birth Country | Germany |
| Birthplace (normalized) | germany |
1920
Ramsey, Minnesota
Other, age 64
Ramsey, Minnesota · implied b. ~1856 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Koch |
| Given Name | Mary |
| Relationship to Head | Mother |
| Sex | F |
| Color / Race | White |
| Age | 64 |
| Marital Status | Widowed |
| Birthplace | Germany |
| Year of Immigration | 1857 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Ger. German |
| Birth Country | Germany |
| Year of Naturalization | 1863 |
| Birthplace (normalized) | germany |
1930
Ramsey, Minnesota
Other, age 74
Ramsey, Minnesota · implied b. ~1856 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Koch |
| Given Name | Marie |
| Relationship to Head | Mother-in-law |
| Sex | F |
| Color / Race | White |
| Age | 74 |
| Marital Status | Divorced |
| Birthplace | Germany |
| Naturalization Status | Naturalized |
| Year of Immigration | 1851 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Occupation | none |
| Can Read/Write | Yes |
| Mother Tongue | German |
| Birth Country | Germany |
| Birthplace (normalized) | germany |
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 Mary Koch across 3 US Census years (1910, 1920 and 1930) in Ramsey, Minnesota, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Koch
Head · 1910 · age 54 · b. ~1856 · Minnesota
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1910 US Federal Census — Ramsey, Minnesota
Open full size
1910 US Federal Census — Ramsey, Minnesota
Page Contents
50 people indexed on this census page (ia:1910:13thcensus1910po717unit:0894)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | George R Miner | 20 | Grandson | Exp. Teller | Minnesota |
| 2 | Theodore Swenson | 51 | Boarder | Supt Registry | Minnesota |
| 3 | Jennie Swenson | 47 | Daughter | None | Wisconsin |
| 4 | Theodore Jr Swenson | 24 | Grandson | Student | Minnesota |
| 5 | Eleanor Miner | 25 | Granddaughter | None | Minnesota |
| 6 | Elizabeth Miner | 18 | Granddaughter | Office | Minnesota |
| 7 | William Eiswirth | 41 | Head | Clerk | Minnesota |
| 8 | Catherine Eiswirth | 38 | Wife | None | Ohio |
| 9 | Berenice Eiswirth | 13 | Daughter | None | Minnesota |
| 10 | William Eiswirth | 11 | Son | None | Minnesota |
| 11 | Allestia Eiswirth | 7 | Daughter | None | Minnesota |
| 12 | Mary Ringwald | 58 | Head | None | New Jersey |
| 13 | Susan Ringwald | 35 | Daughter | Draft Lady | Minnesota |
| 14 | Frederick Ringwald | 33 | Son | Gen. Salesman | Minnesota |
| 15 | Charles Ringwald | 22 | Son | Trav. Salesman | Minnesota |
| 16 | Thos. H. Cashman | 49 | Head | Elevator Opertr | New Jersey |
| 17 | Mary A Cashman | 45 | Wife | None | East Virginia |
| 18 | Raymond E Cashman | 25 | Son | Elevator Opertr | Iowa |
| 19 | Ruth H Cashman | 12 | Daughter | None | Minnesota |
| 20 | Georgia Burgess | 64 | Head | None | Maine |
| 21 | Alma Burgess | 38 | Daughter | Teacher | Maine |
| 22 | Mary Koch THIS PERSON | 54 | Head | None | Germany |
| 23 | Charles Koch | 29 | Son | Clerk | Minnesota |
| 24 | Mary M Koch | 27 | Daughter | Stenographer | Minnesota |
| 25 | Elsie Koch | 21 | Daughter | None | Minnesota |
| 26 | Thomas W Koch | 19 | Son | Stenographer | Minnesota |
| 27 | John E Koch | 12 | Son | None | Minnesota |
| 28 | Christina Koch | 81 | Mother-in-law | None | Germany |
| 29 | Frank Funk | 54 | Head | Retired | Minnesota |
| 30 | Anna Funk | 48 | Wife | None | Minnesota |
| 31 | Bertrand Funk | 20 | Son | Clerk | Minnesota |
| 32 | Lucille Funk | 18 | Daughter | None | Minnesota |
| 33 | Grace Funk | 10 | Daughter | None | Minnesota |
| 34 | Florence Funk | 7 | Daughter | None | Minnesota |
| 35 | Mary Funk | 76 | Head | None | Germany |
| 36 | Catherine Funk | 43 | Daughter | None | Minnesota |
| 37 | Anna M Funk | 41 | Daughter | Bookkeeper | Minnesota |
| 38 | Bairncross | 77 | Head | Laborer | Scotland |
| 39 | Catherine Bairncross | 73 | Wife | None | Scotland |
| 40 | Fred Hanson | 29 | Head | Mail Carrier | Norway |
| 41 | Lina Hanson | 28 | Wife | None | Norway |
| 42 | Daniel J. Garibault | 77 | Head | Retired | Minnesota |
| 43 | Mary M Garibault | 67 | Wife | None | Canada |
| 44 | Virginia G Garibault | 49 | Daughter | Dressmaker | Minnesota |
| 45 | Edward L Garibault | 42 | Son | Hack Driver | Minnesota |
| 46 | Philip G Schneider | 42 | Head | Barber | Minnesota |
| 47 | Annie Schneider | 36 | Wife | None | Germany |
| 48 | Birdella Schneider | 23 | Daughter | Clerk | Minnesota |
| 49 | Adda Schneider | 18 | Daughter | Clerk | Minnesota |
| 50 | Phyllis Schneider | 10 | Daughter | None | Minnesota |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1910 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)