MJ
Mary Jacobs — 1930 US Census Record
Model Tree available1930 United States Federal Census · Ellis, Kansas
Our Model Tree links this Mary Jacobs across the 1910, 1920 and 1930 US Censuses in Ellis, Kansas (XGBoost, ~Confirmed), with identified parents Philip & Julia — first a daughter (b.~1902), then head of a 3-person household.
Age 28
b. ~1902
Female
Daughter
Born: Kansas
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Ellis, Kansas |
| Surname | Jacobs |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
| Township / Ward | Hays City |
| Est. Birth Year | ~1902 |
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.
3 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Jacobs | Daughter | — | 28 | ~1902 |
| Agatha Jacobs | Daughter | — | 30 | ~1900 |
| Julia Jacobs | Head | — | 61 | ~1869 |
Census Appearances
1910
Ellis, Kansas
Daughter, age 9
Ellis, Kansas · implied b. ~1901 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jacobs |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1920
Ellis, Kansas
Daughter, age 18
Ellis, Kansas · implied b. ~1902 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jacobs |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | German |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1930
Ellis, Kansas
Daughter, age 28
Ellis, Kansas · implied b. ~1902 — 3 household members
| Surname | Jacobs |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Can Read/Write | Yes |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
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 Jacobs across 3 US Census years (1910, 1920 and 1930) in Ellis, Kansas, using XGBoost record linkage. Identified parents: father Philip Jacobs (~0.92 confidence) and mother Julia Jacobs (~0.92 confidence) and mother Julia Jacobs (~0.92 confidence) and mother Wilhelmina Jacobs (~0.60 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.84
Father
Philip Jacobs
b. ~1865
Source father
● Household
· direct · ~0.92
Mother
Julia Jacobs
b. ~1869
Source mother
● Household
· direct · ~0.92
Mother
Julia Jacobs
b. ~1869
Source mother
● Household
· direct · ~0.92
Mother
Wilhelmina Jacobs
b. ~1889
Source mother
● Household
· direct · ~0.6
This person
Anchor record
Mary Jacobs
Daughter · 1930 · age 28 · b. ~1902 · Kansas
★ You are viewing this record
Sibling
Agatha Jacobs
Sibling · 1930 · age 30
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Ellis, Kansas
Open full size
1930 US Federal Census — Ellis, Kansas
Page Contents
50 people indexed on this census page (ia:1930:15thcensus701usce:0327)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Leon Sherbon | 12 | Daughter | — | Kansas |
| 52 | Martin Ullringer | 25 | Head | Bookkeeper | Russia |
| 53 | Mary Ullringer | 33 | Wife-H | — | Russia |
| 54 | Herbert Ullringer | 7 | Son | — | Kansas |
| 55 | Roselyn Ullringer | 5 | Daughter | — | Kansas |
| 56 | James Ullringer | 3 | Son | — | Kansas |
| 57 | Joseph Ullringer | 1 | Son | — | Kansas |
| 58 | Kaelin Ullringer | 31 | Roomer | Truck Driver | Kansas |
| 59 | Sylvester Harbaugh | 68 | Head | — | Russia |
| 60 | Rosa Harbaugh | 68 | Wife-H | — | Russia |
| 61 | Amelia Younger | 16 | Grand Daughter | Chamber Maid | Kansas |
| 62 | Julia Younger | 14 | Grand Daughter | — | Kansas |
| 63 | Raymond Younger | 12 | Grand Son | — | Kansas |
| 64 | Albert Younger | 6 | Grand Son | — | Kansas |
| 65 | W. O. Hunt | 52 | Head | Salesman | Iowa |
| 66 | Sarah Hunt | 52 | Wife-H | — | Missouri |
| 67 | Josephine Hunt | 19 | Daughter | — | Iowa |
| 68 | Joseph Lattigaw | 49 | Roomer | Paperhanger | Indiana |
| 69 | Julia Jacobs | 61 | Head | — | Russia |
| 70 | Agatha Jacobs | 30 | Daughter | — | Kansas |
| 71 | Mary Jacobs THIS PERSON | 28 | Daughter | — | Kansas |
| 72 | Clyde Binder | 34 | Head | Plumber | Kansas |
| 73 | Mary Binder | 43 | Wife | — | Kansas |
| 74 | Harold P. Binder | 19 | Son | Attendant | Kansas |
| 75 | Lucille Binder | 13 | Daughter | — | Kansas |
| 76 | Anna Gauss | 78 | Mother-in-law | — | Austria |
| 77 | Joseph G. Jacobs | 39 | Head | Taxi Station | Kansas |
| 78 | Josephine B. Jacobs | 37 | Wife | — | Kansas |
| 79 | Alice Jacobs | 18 | Daughter | — | Kansas |
| 80 | Cecil Jacobs | 16 | Son | — | Kansas |
| 81 | Rosetta Jacobs | 14 | Daughter | — | Kansas |
| 82 | Virgil Jacobs | 12 | Son | — | Kansas |
| 83 | Henrietta Jacobs | 10 | Daughter | — | Kansas |
| 84 | Clifford Jacobs | 7 | Son | — | Kansas |
| 85 | Alfred J. Jacobs | 3 | Son | — | Kansas |
| 86 | Peter Spies | 48 | Head | Carpenter | Russia |
| 87 | Rosa Spies | 42 | Wife-H | — | Russia |
| 88 | Albert Spies | 19 | Son | Salesman | Kansas |
| 89 | Adolph Spies | 17 | Son | Salesman | Kansas |
| 90 | Ida Spies | 16 | Daughter | — | Kansas |
| 91 | Hilda Spies | 14 | Daughter | — | Kansas |
| 92 | Joseph Spies | 10 | Son | — | Kansas |
| 93 | Felix Spies | 8 | Son | — | Kansas |
| 94 | Martin Spies | 6 | Son | — | Kansas |
| 95 | Valeria Spies | 4 | Daughter | — | Kansas |
| 96 | Leo Spies | 2 | Son | — | Kansas |
| 97 | Philip Bittel | 56 | Head | Night Laborer | Russia |
| 98 | Anna Bittel | 52 | Wife-H | — | Russia |
| 99 | George P. Bittel | 26 | Son | Meat Cutter | Kansas |
| 100 | Joe Leo Bittel | 24 | Son | Carpenter | Kansas |
Pedigree Summary
Mary + 1 sibling
Gen 1 · 4 parents
~0.84
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)