JM
James Montgomery — 1920 US Census Record
Model Tree available1920 United States Federal Census · Columbia, Pennsylvania
Our Model Tree links this James Montgomery across the 1900, 1910 and 1920 US Censuses in Columbia, Pennsylvania (XGBoost, ~Confirmed), with identified parents James & James — first a son (b.~1890), then head of a 3-person household.
Age 30
b. ~1890
Male
Son
Born: Pennsylvania
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Columbia, Pennsylvania |
| Surname | Montgomery |
| Given Name | James R. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | Doctor |
| Industry | Medicine |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Doctor |
| Township / Ward | Bloomsburg Pa |
| 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.
3 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Mabel Montgomery | Daughter | — | 25 | ~1895 |
| James Montgomery | Head | — | 61 | ~1859 |
| James Montgomery | Son | — | 30 | ~1890 |
Census Appearances
1900
Columbia, Pennsylvania
Son, age 11
Columbia, Pennsylvania · implied b. ~1889 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Montgomery |
| Given Name | James R. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Birth Month | Sept |
| Birth Year | 1889 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | At School |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1910
Columbia, Pennsylvania
Son, age 20
Columbia, Pennsylvania · implied b. ~1890 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Montgomery |
| Given Name | James R Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Columbia, Pennsylvania
Son, age 30
Columbia, Pennsylvania · implied b. ~1890 — 3 household members
| Surname | Montgomery |
| Given Name | James R. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Doctor |
| Industry | Medicine |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| 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 James Montgomery across 3 US Census years (1900, 1910 and 1920) in Columbia, Pennsylvania, using XGBoost record linkage. Identified parents: father James Montgomery (~0.92 confidence) and father James Montgomery (~0.92 confidence) and father James Montgomery (~0.92 confidence) and mother Palsy Montgomery (~0.92 confidence) and mother Daisy Montgomery (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Montgomery
b. ~1858
Source father
● Household
· direct · ~0.92
Father
James Montgomery
b. ~1859
Source father
● Household
· direct · ~0.92
Father
James Montgomery
b. ~1859
Source father
● Household
· direct · ~0.92
Mother
Palsy Montgomery
b. ~1866
Source mother
● Household
· direct · ~0.92
Mother
Daisy Montgomery
b. ~1867
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Montgomery
Son · 1920 · age 30 · b. ~1890 · Pennsylvania
★ You are viewing this record
Sibling
Mabel Montgomery
Sibling · 1920 · age 25
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
1920 US Federal Census — Columbia, Pennsylvania
Open full size
1920 US Federal Census — Columbia, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1555unit:0028)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Mary E. Gorry | 36 | Wife | — | Pennsylvania |
| 52 | Thomas A. Gorry | 15 | Son | — | Pennsylvania |
| 53 | Dorothy M. Gorry | 9 | Daughter | — | Pennsylvania |
| 54 | Kathryn L. Gorry | 6 | Daughter | — | Pennsylvania |
| 55 | Frank H. Kline | 35 | Head | Safety First | Pennsylvania |
| 56 | Elizabeth H. Kline | 34 | Wife | — | Pennsylvania |
| 57 | Frank P. Kline | 14 | Son | — | Pennsylvania |
| 58 | Ellen R. Gunter | 75 | Mother | — | Pennsylvania |
| 59 | Wilbur V. P. Jenkins | 26 | Head | Auto Dealer | New Jersey |
| 60 | Helen H. Jenkins | 27 | Wife | — | Pennsylvania |
| 61 | Wilbur V. P. Jr. Jenkins | 4 | Son | — | Pennsylvania |
| 62 | George F. Niedermeyer | 23 | Head | Wire Chief | Germany |
| 63 | Emma H. Niedermeyer | 24 | Wife | — | Pennsylvania |
| 64 | William D. Niedermeyer | 5 | Son | — | Pennsylvania |
| 65 | Harry Fullmer | 80 | Head | — | Pennsylvania |
| 66 | Wife Fullmer | 81 | Wife | — | Pennsylvania |
| 67 | M. Elizabeth Fullmer | 50 | Daughter | Dressm. | Pennsylvania |
| 68 | Edith M. Fullmer | 46 | Daughter | Weaver | Pennsylvania |
| 69 | Retta Fullmer | 37 | Daughter | Telephone Operator | Pennsylvania |
| 70 | William B. Christian | 60 | Head | Salesman | Pennsylvania |
| 71 | Ellen M. Christian | 57 | Wife | — | Pennsylvania |
| 72 | Lewis C. Williams | 67 | Head | Trimmer | Pennsylvania |
| 73 | Benjamin H. Williams | 31 | Son | Salesman | Pennsylvania |
| 74 | Ruth J. Williams | 29 | Daughter | — | Pennsylvania |
| 75 | Grant Snyder | 43 | Head | Janitor | Pennsylvania |
| 76 | Mary Snyder | 43 | Wife | — | Pennsylvania |
| 77 | Daughter Snyder | 38 | Daughter | — | Pennsylvania |
| 78 | Lawrence Eberly | 29 | Boarder | Chief Of Party | Pennsylvania |
| 79 | Howard W. Watts | 54 | Boarder | Carpenter | Pennsylvania |
| 80 | Sue Watts | 55 | Boarder | — | Pennsylvania |
| 81 | Matthias L. Kline | 65 | Head | Harness Maker | Pennsylvania |
| 82 | Sophia A. Kline | 64 | Wife | — | Pennsylvania |
| 83 | Mary E. Kline | 45 | Daughter | Teacher | Pennsylvania |
| 84 | Martha Mcneal | 54 | Boarder | Nurse | Pennsylvania |
| 85 | William Saulton | 27 | Boarder | Shipping Clerk | Nebraska |
| 86 | John W. Hannon | 48 | Head | Plumber | Pennsylvania |
| 87 | Mary M. Hannon | 45 | Wife | — | Pennsylvania |
| 88 | George S. Alleman | 55 | Head | Pharmacist | Pennsylvania |
| 89 | Martha H. Alleman | 22 | Wife | — | Pennsylvania |
| 90 | Harold S. O. Alleman | 16 | Son | — | Pennsylvania |
| 91 | Katherine L. Alleman | 12 | Daughter | — | Pennsylvania |
| 92 | Daisy E. Alleman | 11 | Daughter | — | Pennsylvania |
| 93 | Edward A. Searles | 73 | Head | — | Pennsylvania |
| 94 | Susan E. Searles | 69 | Wife | — | Pennsylvania |
| 95 | James R. Montgomery | 61 | Head | Doctor | Pennsylvania |
| 96 | James R. Jr. Montgomery THIS PERSON | 30 | Son | Doctor | Pennsylvania |
| 97 | Mabel Montgomery | 25 | Daughter | — | Pennsylvania |
| 98 | Samuel J. Appleman | 48 | Head | Retail Merchant | Pennsylvania |
| 99 | Mary E. Appleman | 42 | Wife | — | Pennsylvania |
| 100 | Harry H. Appleman | 20 | Son | Truck Driver | Pennsylvania |
Pedigree Summary
James + 1 sibling
Gen 1 · 5 parents
~0.92
Max depth 4 (1900–1950 window)
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)