JK
John Koch — 1910 US Census Record
Linked across censuses1910 United States Federal Census · Essex, New Jersey
Our Model Tree links this John Koch across the 1900 and 1910 US Censuses in Essex, New Jersey (XGBoost, ~Confirmed) — first a son (b.~1890), then head of a 9-person household.
Age 20
b. ~1890
Male
Son
Born: New Jersey
Single
1910 Census Record Details
| Census Year | 1910 |
| Location | Essex, New Jersey |
| Surname | Koch |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Additional Details | |
| Occupation | Carpenter |
| Industry | House |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Carpenter |
| Township / Ward | City Of Orange |
| Est. Birth Year | ~1890 |
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.
9 people recorded at the same address in the 1910 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Peter Koch | Head | — | 47 | ~1863 |
| Frederick Koch | Son | — | 12 | ~1898 |
| Margaret Koch | Spouse | — | 33 | ~1877 |
| Margaret Koch | Daughter | — | 15 | ~1895 |
| Margaret Koch | Other | — | 73 | ~1837 |
| Lena Koch | Daughter | — | 18 | ~1892 |
| John Koch | Son | — | 20 | ~1890 |
| Edwin Koch | Son | — | 10 | ~1900 |
| Ernest Gartner | Other | — | 55 | ~1855 |
Census Appearances
1900
Essex, New …
Son, age 10
Essex, New Jersey · implied b. ~1890 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Koch |
| Given Name | John |
| Relationship to Head | Son |
| Sex | m |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Birth Month | Nov |
| Birth Year | 1890 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Speaks English | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1910
Essex, New …
Son, age 20
Essex, New Jersey · implied b. ~1890 — 9 household members
| Surname | Koch |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Occupation | Carpenter |
| Industry | House |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
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 Koch across 2 US Census years (1900 and 1910) in Essex, New Jersey, using XGBoost record linkage.
Show:
This person
Anchor record
John Koch
Son · 1910 · age 20 · b. ~1890 · New Jersey
★ You are viewing this record
Sibling
Edwin Koch
Sibling · 1910 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frederick Koch
Sibling · 1910 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lena Koch
Sibling · 1910 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Koch
Sibling · 1910 · age 15
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
1910 US Federal Census — Essex, New Jersey
Open full size
1910 US Federal Census — Essex, New Jersey
Page Contents
50 people indexed on this census page (ia:1910:13thcensus1910po884unit:0539)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John Hendershot | 36 | Head | — | New Jersey |
| 2 | Lulu Hendershot | 36 | Wife | — | New Jersey |
| 3 | Robert Hendershot | 14 | Son | — | New Jersey |
| 4 | John Hendershot | 12 | Son | — | New Jersey |
| 5 | William Hendershot | 10 | Son | — | New Jersey |
| 6 | Peter Hendershot | 8 | Son | — | New Jersey |
| 7 | John Allen | 33 | Head | Lineman | New Jersey |
| 8 | Margaret M Allen | 31 | Wife | — | New Jersey |
| 9 | John Allen | 8 | Son | — | New Jersey |
| 10 | Thomas H Allen | 5 | Son | — | New Jersey |
| 11 | Elizabeth Allen | 3 | Daughter | — | New Jersey |
| 12 | Robert Allen | 1 | Son | — | New Jersey |
| 13 | Michael J Mckee | 42 | Head | Laborer | Ireland |
| 14 | Bridget A Mckee | 42 | Wife | Laundress | Ireland |
| 15 | Frank Mckee | 15 | Son | Errand Boy | New Jersey |
| 16 | Michael J Mckee | 14 | Son | Driver | New Jersey |
| 17 | Anna Mckee | 12 | Daughter | — | New Jersey |
| 18 | Margaret Mckee | 10 | Daughter | — | New Jersey |
| 19 | Thomas Mckee | 8 | Son | — | New Jersey |
| 20 | Julius L Schwartz | 37 | Head | Blacksmith | New Jersey |
| 21 | Alice Schwartz | 32 | Wife | — | New Jersey |
| 22 | Harold Schwartz | 10 | Son | — | New Jersey |
| 23 | Irene Schwartz | 8 | Son | — | New Jersey |
| 24 | Alice G Schwartz | 4 | Son | — | New Jersey |
| 25 | Anna Schwartz | 2 | Daughter | — | New Jersey |
| 26 | Ernest Brumann | 59 | Head | Sizer | Germany |
| 27 | George Brumann | 25 | Son | — | Germany |
| 28 | George Erb | 61 | Head | — | Germany |
| 29 | Henrietta Erb | 57 | Wife | — | Germany |
| 30 | Augusta Erb | 25 | Son | Sizer | New York |
| 31 | August Erb | 18 | Son | Apprentice | New York |
| 32 | Catherine Erb | 15 | Daughter | — | New York |
| 33 | Peter Koch | 47 | Head | Proprietor | Germany |
| 34 | Margaret Koch | 33 | Wife | — | Germany |
| 35 | John Koch THIS PERSON | 20 | Son | Carpenter | New Jersey |
| 36 | Lena Koch | 18 | Daughter | Trimmer | New Jersey |
| 37 | Margaret Koch | 15 | Daughter | — | New Jersey |
| 38 | Frederick Koch | 12 | Son | — | New Jersey |
| 39 | Edwin M Koch | 10 | Son | — | New Jersey |
| 40 | Margaret Koch | 73 | Mother | — | Germany |
| 41 | Ernest Gartner | 55 | Waiter | Proprietor Helper | Germany |
| 42 | George Pelt | 35 | Head | Proprietor | Pennsylvania |
| 43 | Annie Pelt | 35 | Wife | — | Germany |
| 44 | Antonio Bartkowski | 31 | Head | Sizer | Russia-Pol-Polish |
| 45 | Mary Bartkowski | 27 | Wife | Laundress | Russia-Pol-Polish |
| 46 | Fred Wisenborn | 47 | Head | Finisher | Germany |
| 47 | Elizabeth Wisenborn | 42 | Wife | — | Germany |
| 48 | Margaret Wisenborn | 22 | Daughter | Trimmer | New Jersey |
| 49 | Albertine G Wisenborn | 20 | Son | Finisher | New Jersey |
| 50 | Victoria Puter | 34 | Head | Trimmer | Germany |
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)