HC
Harold Clark — 1920 US Census Record
Model Tree available1920 United States Federal Census · Rensselaer, New York
Our Model Tree links this Harold Clark across the 1900, 1910 and 1920 US Censuses in Rensselaer, New York (XGBoost, ~Confirmed), with identified parents Jabez & James — first a son (b.~1899), then head of a 3-person household.
Age 21
b. ~1899
Male
Son
Born: New York
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Rensselaer, New York |
| Surname | Clark |
| Given Name | Harold A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | England |
| Mother's Birthplace | New York |
| Additional Details | |
| Occupation | Clerk |
| Industry | Steam Railroad |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Clerk |
| Township / Ward | Troy City |
| Est. Birth Year | ~1899 |
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 Harold | Age | Birth yr |
|---|---|---|---|---|
| John Clark | Head | — | 47 | ~1873 |
| Mary Clark | Other | — | 73 | ~1847 |
| Harold Clark | Son | — | 21 | ~1899 |
Census Appearances
1900
Rensselaer, New …
Son, age 2
Rensselaer, New York · implied b. ~1898 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | New York |
| Birth Month | Aug |
| Birth Year | 1898 |
| Father's Birthplace | England |
| Mother's Birthplace | New York |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1910
Rensselaer, New …
Son, age 11
Rensselaer, New York · implied b. ~1899 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | Eng |
| Mother's Birthplace | New York |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1920
Rensselaer, New …
Son, age 21
Rensselaer, New York · implied b. ~1899 — 3 household members
| Surname | Clark |
| Given Name | Harold A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | England |
| Mother's Birthplace | New York |
| Occupation | Clerk |
| Industry | Steam Railroad |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
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 Harold Clark across 3 US Census years (1900, 1910 and 1920) in Rensselaer, New York, using XGBoost record linkage. Identified parents: father Jabez Clark (~0.92 confidence) and father James Clark (~0.92 confidence) and father John Clark (~0.92 confidence) and mother Emma Clark (~0.92 confidence) and mother Jennie Clark (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Jabez Clark
b. ~1870
Source father
● Household
· direct · ~0.92
Father
James Clark
b. ~1871
Source father
● Household
· direct · ~0.92
Father
John Clark
b. ~1873
Source father
● Household
· direct · ~0.92
Mother
Emma Clark
b. ~1877
Source mother
● Household
· direct · ~0.92
Mother
Jennie Clark
b. ~1878
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harold Clark
Son · 1920 · age 21 · b. ~1899 · New York
★ 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 — Rensselaer, New York
Open full size
1920 US Federal Census — Rensselaer, New York
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1258unit:0594)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Anna Rathka | 40 | Boarder | Inspector | New York |
| 52 | Phillip C. Rummel | 54 | Head | Manufacturer | New York |
| 53 | Amelia Rummel | 53 | Wife | None | New York |
| 54 | Edwin C. Buchwald | 23 | Boarder | Conductor | Colorado |
| 55 | Eva P. Buchwald | 22 | Boarder | None | New York |
| 56 | John R. Clark | 47 | Head | Carpenter | England |
| 57 | Harold A. Clark THIS PERSON | 21 | Son | Clerk | New York |
| 58 | Mary A. Clark | 73 | Mother | None | England |
| 59 | Jacob Murnitz | 44 | Head | Engineer | Pennsylvania |
| 60 | Sophia E. Murnitz | 34 | Wife | None | Pennsylvania |
| 61 | James M. Murnitz | 16 | Son | Apprentice | Pennsylvania |
| 62 | Isabel Murnitz | 15 | Daughter | None | Pennsylvania |
| 63 | Naomi W. Murnitz | 13 | Daughter | None | Pennsylvania |
| 64 | William E. Murnitz | 6 | Son | None | New York |
| 65 | Leon E. Griswold | 42 | Head | Conductor | New York |
| 66 | Leslie M. Griswold | 35 | Wife | None | New York |
| 67 | Pauline J. Griswold | 3 | Son | None | New York |
| 68 | Christopher Danbury | 35 | Head | Baker | New York |
| 69 | Alice Danbury | 36 | Wife | None | England |
| 70 | George J. Danbury | 13 | Son | None | New York |
| 71 | Louis H. Danbury | 8 | Son | None | New York |
| 72 | Harry C. Danbury | 3 | Son | None | New York |
| 73 | Mildred A. Danbury | 5 | Daughter | None | New York |
| 74 | Louis Danbury | 58 | Father | Carpenter | Denmark |
| 75 | Charles Danbury | 18 | Brother | Baker | New York |
| 76 | Harry Danbury | 27 | Brother | Driver | New York |
| 77 | Melville Powley | 44 | Head | Boss | Illinois |
| 78 | Myrtle M. Powley | 33 | Wife | None | Canada |
| 79 | George M. Powley | 15 | Son | Messenger | Canada |
| 80 | Arthur B. Powley | 14 | Son | None | Canada |
| 81 | Lillian M. Powley | 12 | Daughter | None | New York |
| 82 | Muriel E. Powley | 10 | Daughter | None | New York |
| 83 | Margaret A. Powley | 4 | Daughter | None | New York |
| 84 | Doris A. Powley | 2 | Daughter | None | New York |
| 85 | B. Henry Fischer | 53 | Head | Brewer | Germany |
| 86 | Josephine Fischer | 53 | Wife | None | Germany |
| 87 | Bertha E. Fischer | 25 | Daughter | Stenographer | Massachusetts |
| 88 | Frieda E. Fischer | 22 | Daughter | Stenographer | Massachusetts |
| 89 | Ernestine K. Fischer | 16 | Daughter | Student | Massachusetts |
| 90 | Stephen A. Duffy | 32 | Head | Wholesale Merchant | New York |
| 91 | Edith Duffy | 29 | Wife | None | New York |
| 92 | Stephen J. Duffy | 6 | Son | None | New York |
| 93 | Sarah A. Duffy | 49 | Mother | None | Pennsylvania |
| 94 | Edward J. Malone | 30 | Head | Laborer | New York |
| 95 | Gertrude V. Malone | 27 | Wife | None | Massachusetts |
| 96 | Gertrude M. Malone | 6 | Daughter | None | New York |
| 97 | Robert E. Malone | 4 | Son | None | New York |
| 98 | Joseph A. Malone | 1 | Son | None | New York |
| 99 | Edward E. Howard | 50 | Head | Laborer | New York |
| 100 | Margaret A. Howard | 49 | Wife | None | New York |
Pedigree Summary
Harold
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)