JC
James Clarke — 1920 US Census Record
Model Tree available1920 United States Federal Census · Philadelphia, Pennsylvania
Our Model Tree links this James Clarke across the 1920, 1930 and 1940 US Censuses in Philadelphia, Pennsylvania (XGBoost, ~Confirmed), with identified parents Samuel & Samuel — first a son (b.~1890), then head of a 6-person household.
Age 30
b. ~1890
Male
Son
Born: Australia
Widowed
1920 Census Record Details
| Census Year | 1920 |
| Location | Philadelphia, Pennsylvania |
| Surname | Clarke |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Widowed |
| Birthplace | Australia |
| Year of Immigration | 1892 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Additional Details | |
| Occupation | Ship fitter |
| Industry | Ship yard |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Year of Naturalization | 1915 |
| Birthplace (normalized) | australia |
| Occupation | Ship Fitter |
| Township / Ward | Philadelphia City |
| 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.
6 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| James Clarke | Son | — | 30 | ~1890 |
| William Clarke | Other | — | 1 | ~1919 |
| Elizabeth Graham | Daughter | — | 29 | ~1891 |
| Alberta Graham | Other | — | 11 | ~1909 |
| Samuel Clarke | Head | — | 59 | ~1861 |
| Jane Clarke | Spouse | — | 58 | ~1862 |
Census Appearances
1920
Philadelphia, Pennsylvania
Son, age 30
Philadelphia, Pennsylvania · implied b. ~1890 — 6 household members
| Surname | Clarke |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Widowed |
| Birthplace | Australia |
| Year of Immigration | 1892 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Ship fitter |
| Industry | Ship yard |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Year of Naturalization | 1915 |
| Birthplace (normalized) | australia |
1930
Bucks, Pennsylvania
Son, age 41
Bucks, Pennsylvania · implied b. ~1889 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Widowed |
| Birthplace | Australia |
| Naturalization Status | Naturalized |
| Year of Immigration | 1882 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Real Estate |
| Industry | Broker |
| Class of Worker | O |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birthplace (normalized) | australia |
Son, age 51
Bucks-County, Pennsylvania · implied b. ~1889 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 51 |
| Marital Status | Widowed |
| Birthplace | Australia |
| 1935 Residence (City) | Northampton Township |
| 1935 Residence (County) | Bucks |
| Naturalization Status | Naturalized |
| Occupation | Real Estate Salesman |
| Industry | Own Business |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 276 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birthplace (normalized) | australia |
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 Clarke across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: father Samuel Clark (~0.92 confidence) and father Samuel Clarke (~0.92 confidence) and mother Jane Clarke (~0.92 confidence) and mother Jean Clark (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Samuel Clark
b. ~1861
Source father
● Household
· direct · ~0.92
Father
Samuel Clarke
b. ~1861
Source father
● Household
· direct · ~0.92
Mother
Jane Clarke
b. ~1862
Source mother
● Household
· direct · ~0.92
Mother
Jean Clark
b. ~1862
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Clarke
Son · 1920 · age 30 · b. ~1890 · Pennsylvania
★ You are viewing this record
Sibling
Elizabeth Graham
Sibling · 1920 · age 29
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 — Philadelphia, Pennsylvania
Open full size
1920 US Federal Census — Philadelphia, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1635unit:0370)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | John F. Evans | 47 | Head | Boiler Maker Helper | Pennsylvania |
| 52 | Carrie Evans | 43 | Wife | — | Pennsylvania |
| 53 | Harry D. Evans | 17 | Son | Iron Worker | Pennsylvania |
| 54 | Mildred C. Evans | 12 | Daughter | — | Pennsylvania |
| 55 | William G. Fritz | 23 | Stepson | Iron Worker | Pennsylvania |
| 56 | Joseph Gerlach | 19 | Boarder | Iron Worker | Poland |
| 57 | Bernard J. Flynn | 44 | Head | Marine Erector | Pennsylvania |
| 58 | Mary Flynn | 43 | Wife | — | Pennsylvania |
| 59 | Mary Magee | 77 | Mother-in-law | — | Pennsylvania |
| 60 | John M. Smith | 47 | Head | Ship Fitter | Pennsylvania |
| 61 | Sophia Smith | 47 | Wife | — | Pennsylvania |
| 62 | William C. Smith | 23 | Son | Clerk | Pennsylvania |
| 63 | William Earl | 82 | Father-in-law | Weaver | Pennsylvania |
| 64 | Chas. J. Maures | 49 | Head | Tool Maker | Pennsylvania |
| 65 | Emma Maures | 47 | Wife | — | Pennsylvania |
| 66 | Edvart Maures | 19 | Son | Clerk | Pennsylvania |
| 67 | Joseph Murray | 52 | Head | Boiler Maker | Pennsylvania |
| 68 | Laura Murray | 52 | Wife | — | Pennsylvania |
| 69 | Francis R. Murray | 26 | Daughter | School Teacher | Pennsylvania |
| 70 | Joseph A. Murray | 19 | Son | — | Pennsylvania |
| 71 | William H. Neuber | 70 | Head | Retired | Pennsylvania |
| 72 | Emma Neuber | 70 | Wife | — | Pennsylvania |
| 73 | Dana W. Sims | 55 | Head | Warper | Pennsylvania |
| 74 | Hester Sims | 53 | Wife | — | Pennsylvania |
| 75 | Preston C. Harris | 26 | Son-in-law | Contractor | Pennsylvania |
| 76 | Mabel Harris | 24 | Daughter | — | Pennsylvania |
| 77 | Helen Harris | 5 | Granddaughter | — | Pennsylvania |
| 78 | Dorothy Harris | 2 | Granddaughter | — | Pennsylvania |
| 79 | Josephine Jones | 66 | Boarder | Spooler | Pennsylvania |
| 80 | Samuel Clarke | 59 | Head | Ship Carpenter | Scotland |
| 81 | Jane Clarke | 58 | Wife | — | Scotland |
| 82 | James Clarke THIS PERSON | 30 | Son | Ship Fitter | Australia |
| 83 | Elizabeth Graham | 29 | Daughter | Knitter | Australia |
| 84 | Alberta Graham | 11 | Granddaughter | — | Pennsylvania |
| 85 | William Clarke | 1 | Grandson | — | Pennsylvania |
| 86 | Mary Mason | 60 | Head | — | England |
| 87 | Elizabeth Mason | 27 | Daughter | Bookkeeper | Pennsylvania |
| 88 | Elizabeth Murray | 65 | Sister | Dealer | Ireland |
| 89 | Robert M. Abbott | 44 | Head | Driver | Pennsylvania |
| 90 | Ada M. Abbott | 42 | Wife | — | Pennsylvania |
| 91 | James A. Abbott | 16 | Son | — | Pennsylvania |
| 92 | William H. Van Note | 58 | Head | Machinist | Pennsylvania |
| 93 | Annie Van Note | 55 | Wife | — | Pennsylvania |
| 94 | Emma Van Note | 16 | Daughter | — | Pennsylvania |
| 95 | Francis G. Mccormick | 55 | Head | Clerk | New York |
| 96 | Alvin J. Mccormick | 21 | Son | Machinist | Pennsylvania |
| 97 | Catharine Mccormick | 30 | Daughter | Stenographer | Pennsylvania |
| 98 | Bertha E. Mccormick | 28 | Daughter | — | Pennsylvania |
| 99 | Frank Shiday | 45 | Head | Machinist | Pennsylvania |
| 100 | Leora Shiday | 41 | Wife | — | Pennsylvania |
Related Census Records
Pedigree Summary
James + 1 sibling
Gen 1 · 4 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)