JJ
John Jacobs — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Montgomery, Pennsylvania
Our Model Tree links this John Jacobs across the 1900, 1910 and 1920 US Censuses in Montgomery, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1840), then head of a 3-person household.
Age 80
b. ~1840
Male
Head
Born: Pennsylvania
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Montgomery, Pennsylvania |
| Surname | Jacobs |
| Given Name | John M. Sr. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 80 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Lansdale Borough Part Of |
| Est. Birth Year | ~1840 |
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 1920 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Kate Jacobs | Daughter | — | 50 | ~1870 |
| John Jacobs | Head | — | 80 | ~1840 |
| Sarah Jacobs | Spouse | — | 80 | ~1840 |
Census Appearances
1900
Montgomery, Pennsylvania
Head, age 61
Montgomery, Pennsylvania · implied b. ~1839 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jacobs |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 61 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Birth Month | Jan |
| Birth Year | 1839 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Burner |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1910
Montgomery, Pennsylvania
Head, age 71
Montgomery, Pennsylvania · implied b. ~1839 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jacobs |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 71 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Retired |
| Industry | Own Money |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Montgomery, Pennsylvania
Head, age 80
Montgomery, Pennsylvania · implied b. ~1840 — 3 household members
| Surname | Jacobs |
| Given Name | John M. Sr. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 80 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 Jacobs across 3 US Census years (1900, 1910 and 1920) in Montgomery, Pennsylvania, using XGBoost record linkage.
Show:
This person
Anchor record
John Jacobs
Head · 1920 · age 80 · b. ~1840 · Pennsylvania
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — Montgomery, Pennsylvania
Open full size
1920 US Federal Census — Montgomery, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1605unit:0220)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Emilia W. Rudolf | 28 | Wife | — | England |
| 2 | Edward H. Rudolf | 6 | Son | — | Pennsylvania |
| 3 | Morris B. Davis | 61 | Head | — | Pennsylvania |
| 4 | Velma C. Davis | 59 | Wife | Laborer | Pennsylvania |
| 5 | Septimus S. Davis | 26 | Son | — | Pennsylvania |
| 6 | Monroe M. Tyson | 42 | Head | — | Pennsylvania |
| 7 | Anna Tyson | 40 | Wife | Stableman | Pennsylvania |
| 8 | George Tyson | 19 | Son | — | Pennsylvania |
| 9 | Marcus B. Cressman | 50 | Head | Clerk | Pennsylvania |
| 10 | Sue R. Cressman | 50 | Wife | Agent | Pennsylvania |
| 11 | Herbert Cressman | 11 | Son | — | Pennsylvania |
| 12 | Abram S. Whitman | 69 | Head | — | Pennsylvania |
| 13 | Laura Whitman | 35 | Daughter | Agitator | Pennsylvania |
| 14 | Mamie Allebrach | 43 | Daughter | Seamstress | Pennsylvania |
| 15 | John M. Sr. Jacobs THIS PERSON | 80 | Head | — | Pennsylvania |
| 16 | Sarah S. Jacobs | 80 | Wife | Vice President | Pennsylvania |
| 17 | Kate M. Jacobs | 50 | Daughter | — | Pennsylvania |
| 18 | Charles W. Schiffler | 41 | Head | Clergyman | New York |
| 19 | Ruth M. Schiffler | 41 | Wife | — | Pennsylvania |
| 20 | Grace C. Schiffler | 17 | Daughter | — | New York |
| 21 | Charles W. Jr. Schiffler | 17 | Son | — | New York |
| 22 | Margaret R. Schiffler | 12 | Daughter | — | New York |
| 23 | Frank C. Provitt | 43 | Head | — | Pennsylvania |
| 24 | Mary W. Provitt | 34 | Wife | Trainman | New Jersey |
| 25 | Harry C. Provitt | 18 | Son | — | Pennsylvania |
| 26 | Annie Woodmancy | 60 | Mother-in-law | — | Pennsylvania |
| 27 | Louis F. Sloan | 72 | Head | — | Pennsylvania |
| 28 | Jane S. Sloan | 71 | Wife | Commission Man | Pennsylvania |
| 29 | Cynthia D. Sloan | 37 | Daughter | — | Pennsylvania |
| 30 | Ida G. Gault | 78 | Sister | — | Pennsylvania |
| 31 | Aaron S. Tyson | 62 | Head | — | Pennsylvania |
| 32 | Minerva Tyson | 61 | Wife | Merchant | Pennsylvania |
| 33 | George C. Corn | 34 | Head | — | Pennsylvania |
| 34 | Nora Corn | 33 | Wife | Telegrapher | Pennsylvania |
| 35 | William J. Corn | 10 | Son | — | Pennsylvania |
| 36 | Luetta Corn | 7 | Daughter | — | Pennsylvania |
| 37 | Grace I. Corn | 0 | Daughter | — | Pennsylvania |
| 38 | William V. Doughty | 40 | Head | — | Pennsylvania |
| 39 | Carrie Doughty | 32 | Wife | Trainman | Pennsylvania |
| 40 | Charles V. Doughty | 2 | Son | — | Pennsylvania |
| 41 | George F. Crouthamel | 29 | Head | — | Pennsylvania |
| 42 | Alice Crouthamel | 31 | Wife | Expressman | Pennsylvania |
| 43 | Alice Crouthamel | 5 | Daughter | — | Pennsylvania |
| 44 | George Jr. Crouthamel | 4 | Son | — | Pennsylvania |
| 45 | Alice A. Crouthamel | 54 | Mother | — | Pennsylvania |
| 46 | Franklin L. Morrow | 33 | Head | — | Pennsylvania |
| 47 | Katharine Morrow | 31 | Wife | Clerk | Pennsylvania |
| 48 | Elizabeth Morrow | 8 | Daughter | — | Pennsylvania |
| 49 | Katherine Morrow | 0 | Daughter | — | Pennsylvania |
| 50 | Spencer C. Baldwin | 63 | Head | Carpenter | Pennsylvania |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)