RG
Robert Gardner — 1920 US Census Record
Model Tree available1920 United States Federal Census · Dauphin, Pennsylvania
Our Model Tree links this Robert Gardner across the 1900, 1910 and 1920 US Censuses in Dauphin, Pennsylvania (XGBoost, ~Confirmed), with identified parents Harriet & James — first a son (b.~1896), then head of a 5-person household.
Age 24
b. ~1896
Male
Son
Born: Pennsylvania
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Dauphin, Pennsylvania |
| Surname | Gardner |
| Given Name | Robert L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | Machinist |
| Industry | House |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Machinist |
| Township / Ward | Harrisburg City |
| Est. Birth Year | ~1896 |
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.
5 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Lizzie Gardner | Spouse | — | 55 | ~1865 |
| Andrew Gardner | Head | — | 59 | ~1861 |
| Robert Gardner | Son | — | 24 | ~1896 |
| Stephen Gardner | Son | — | 21 | ~1899 |
| Flora Gardner | Daughter | — | 22 | ~1898 |
Census Appearances
1900
Dauphin, Pennsylvania
Son, age 5
Dauphin, Pennsylvania · implied b. ~1895 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gardner |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Birth Month | Apr |
| Birth Year | 1895 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1910
Dauphin, Pennsylvania
Son, age 14
Dauphin, Pennsylvania · implied b. ~1896 — 14 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gardner |
| Given Name | Robert M. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| 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
Dauphin, Pennsylvania
Son, age 24
Dauphin, Pennsylvania · implied b. ~1896 — 5 household members
| Surname | Gardner |
| Given Name | Robert L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Machinist |
| Industry | House |
| Class of Worker | W |
| 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 Robert Gardner across 3 US Census years (1900, 1910 and 1920) in Dauphin, Pennsylvania, using XGBoost record linkage. Identified parents: mother Harriet Gardner (~0.92 confidence) and father James Gardner (~0.92 confidence) and father James Gardner (~0.92 confidence) and father Andrew Gardner (~0.92 confidence) and mother Lizzie Gardner (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Harriet Gardner
b. ~1859
Source mother
● Household
· direct · ~0.92
Father
James Gardner
b. ~1859
Source father
● Household
· direct · ~0.92
Father
James Gardner
b. ~1860
Source father
● Household
· direct · ~0.92
Father
Andrew Gardner
b. ~1861
Source father
● Household
· direct · ~0.92
Mother
Lizzie Gardner
b. ~1865
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Gardner
Son · 1920 · age 24 · b. ~1896 · Pennsylvania
★ You are viewing this record
Sibling
Stephen Gardner
Sibling · 1920 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Flora Gardner
Sibling · 1920 · age 22
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 — Dauphin, Pennsylvania
Open full size
1920 US Federal Census — Dauphin, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1558unit:0341)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Andrew J. Gardner | 59 | Head | Engineer | Pennsylvania |
| 2 | Lizzie B. Gardner | 55 | Wife | — | Pennsylvania |
| 3 | Robert L. Gardner THIS PERSON | 24 | Son | Machinist | Pennsylvania |
| 4 | Stephen L. Gardner | 21 | Son | Machinist | Pennsylvania |
| 5 | Flora Gardner | 22 | Daughter | — | Pennsylvania |
| 6 | Albert W. Foyder | 75 | Head | Conductor | Pennsylvania |
| 7 | Mary A. Foyder | 55 | Wife | — | Pennsylvania |
| 8 | Arthur Foyder | 17 | Son | Laborer | Pennsylvania |
| 9 | Raymond A. Foyder | 15 | Son | Laborer | Pennsylvania |
| 10 | John G. Stultz | 26 | Head | Carpenter | Pennsylvania |
| 11 | Mary M. Stultz | 24 | Wife | — | Pennsylvania |
| 12 | William B. Detweiler | 48 | Head | Chauffeur | Pennsylvania |
| 13 | Minnie Detweiler | 53 | Wife | Boarding | Pennsylvania |
| 14 | Elizabeth Detweiler | 23 | Daughter | — | Pennsylvania |
| 15 | William B. Jr. Detweiler | 15 | Son | — | Pennsylvania |
| 16 | Annette Robinson | 13 | Daughter | — | Pennsylvania |
| 17 | Theodore Kaufman | 47 | Boarder | Fireman | Pennsylvania |
| 18 | Edward J. Kaufman | 26 | Boarder | Fireman | Virginia |
| 19 | George Baker | 27 | Boarder | Brakeman | Pennsylvania |
| 20 | Allen Hollinger | 29 | Boarder | Fireman | Virginia |
| 21 | Harry Britt | 44 | Boarder | Fireman | Virginia |
| 22 | Guy Kritzer | 22 | Boarder | Carpenter | Pennsylvania |
| 23 | Andrew Seredakin | 40 | Head | Physician | England |
| 24 | Ethel Seredakin | 31 | Wife | — | England |
| 25 | Sarah J. Grant | 72 | Head | — | Pennsylvania |
| 26 | Catherine Grant | 51 | Daughter | Knitter | Pennsylvania |
| 27 | Alice Grant | 35 | Daughter | Saleslady | Pennsylvania |
| 28 | Julia A. Grant | 32 | Daughter | Saleslady | Pennsylvania |
| 29 | Eva Grant | 25 | Daughter | Inspector | Pennsylvania |
| 30 | John J. Palmer | 32 | Head | Clerk | Pennsylvania |
| 31 | Mabelle Palmer | 27 | Wife | — | Pennsylvania |
| 32 | Marie E. Palmer | 10 | Daughter | — | Pennsylvania |
| 33 | John J. Palmer | 4 | Son | — | Pennsylvania |
| 34 | Samuel Kirkpatrick | 62 | Head | Repairman | Iowa |
| 35 | Mary A. Kirkpatrick | 58 | Wife | — | Ireland |
| 36 | Mildred Kirkpatrick | 28 | Daughter | Stenographer | Pennsylvania |
| 37 | Alice E. Kirkpatrick | 2 | Daughter | — | Pennsylvania |
| 38 | Edward Sapp | 43 | Head | Supervisor | Germany |
| 39 | Minnie Sapp | 42 | Wife | — | Pennsylvania |
| 40 | Paul E. Sapp | 18 | Son | Clerk | Pennsylvania |
| 41 | Russell C. Sapp | 15 | Son | Operator | Pennsylvania |
| 42 | Harry S. Sapp | 15 | Son | Laborer | Pennsylvania |
| 43 | Catherine Sapp | 15 | Daughter | — | Pennsylvania |
| 44 | Arthur C. Sapp | 13 | Son | — | Pennsylvania |
| 45 | Elizabeth Sapp | 10 | Daughter | — | Pennsylvania |
| 46 | Howard S. Ullman | 55 | Head | Finisher | Pennsylvania |
| 47 | Ida R. Ullman | 54 | Wife | — | Pennsylvania |
| 48 | Cornelia Ullman | 28 | Daughter | — | Pennsylvania |
| 49 | Daisy B. Ullman | 4 | Daughter | Finisher | Pennsylvania |
| 50 | Jennie M. Schaff | 20 | Boarder | — | Pennsylvania |
Pedigree Summary
Robert + 2 siblings
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)