HC
Harry Clark — 1930 US Census Record
Linked across censuses1930 United States Federal Census · San Diego, California
Our Model Tree links this Harry Clark across the 1910, 1920 and 1930 US Censuses in San Diego, California (XGBoost, ~Confirmed) — first a head (b.~1865), then head of a 5-person household.
Age 65
b. ~1865
Male
Head
Born: Maryland
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | San Diego, California |
| Surname | Clark |
| Given Name | Harry |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 65 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 34 |
| Father's Birthplace | England |
| Mother's Birthplace | Virginia |
| Additional Details | |
| Occupation | Accountant |
| Industry | Printing |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 7000 |
| Radio Set | R |
| Veteran | No |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Accountant |
| Township / Ward | San Diego City |
| Est. Birth Year | ~1865 |
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 1930 census.
| Name | Relation to head | Relative to Harry | Age | Birth yr |
|---|---|---|---|---|
| Caroline Clark | Daughter | — | 28 | ~1902 |
| Harry Clark | Head | — | 65 | ~1865 |
| Harry Clark | Son | — | 12 | ~1918 |
| James Clark | Son | — | 22 | ~1908 |
| Caroline Clark | Spouse | — | 55 | ~1875 |
Census Appearances
1910
San Diego, …
Head, age 45
San Diego, California · implied b. ~1865 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Harry |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Maryland |
| Years Married | 11 |
| Father's Birthplace | Eng.-English |
| Mother's Birthplace | Maryland |
| Occupation | Bookkeeper |
| Industry | Printing |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1920
San Diego, …
Head, age 55
San Diego, California · implied b. ~1865 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Harry |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Maryland |
| Father's Birthplace | England |
| Mother's Birthplace | United States |
| Occupation | Bookkeeper |
| Industry | Printing Company |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
San Diego, …
Head, age 65
San Diego, California · implied b. ~1865 — 5 household members
| Surname | Clark |
| Given Name | Harry |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 65 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 34 |
| Father's Birthplace | England |
| Mother's Birthplace | Virginia |
| Occupation | Accountant |
| Industry | Printing |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 7000 |
| Radio Set | R |
| Veteran | No |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
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 Harry Clark across 3 US Census years (1910, 1920 and 1930) in San Diego, California, using XGBoost record linkage.
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This person
Anchor record
Harry Clark
Head · 1930 · age 65 · b. ~1865 · California
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — San Diego, California
Open full size
1930 US Federal Census — San Diego, California
Page Contents
50 people indexed on this census page (ia:1930:californiacensus00reel192:0751)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Otho Baker | 52 | Head | Carpenter | Maryland |
| 52 | Lilly Baker | 49 | Wife | — | Illinois |
| 53 | Duane Baker | 23 | Son | Salesman | Illinois |
| 54 | Marceline Baker | 20 | Daughter | Saleslady | Illinois |
| 55 | Lee Baker | 18 | Son | Clerk | Michigan |
| 56 | Richard Baker | 15 | Son | — | Michigan |
| 57 | Dorothy Baker | 13 | Daughter | — | Illinois |
| 58 | Doris Baker | 10 | Daughter | — | Oklahoma |
| 59 | Clifford Bennett | 51 | Head | Butcher | Ohio |
| 60 | Catherine Bennett | 48 | Wife | — | Ohio |
| 61 | Berthe Downing | 52 | Head | Writer | South Carolina |
| 62 | Harry Clark THIS PERSON | 65 | Head | Accountant | Maryland |
| 63 | Caroline A. Clark | 55 | Wife | — | Canada-English |
| 64 | Caroline W. Clark | 28 | Daughter | Teacher | California |
| 65 | James A. Clark | 22 | Son | Delivery Boy | California |
| 66 | Harry Jr. Clark | 12 | Son | — | California |
| 67 | Fred L. Weaver | 33 | Head | Radio Engineer | Michigan |
| 68 | Alice C. Weaver | 36 | Wife | — | Nebraska |
| 69 | Vivian J. Weaver | 11 | Daughter | — | California |
| 70 | Earle Culbertson | 18 | Stepson | — | Indiana |
| 71 | Leo G. Flink | 45 | Head | Mechanic | Michigan |
| 72 | Anna M. Flink | 48 | Wife | — | Illinois |
| 73 | Helen L. Flink | 11 | Daughter | — | California |
| 74 | Jennie Merrill | 68 | Head | — | Illinois |
| 75 | Alice Maynard | 64 | Sister | — | Illinois |
| 76 | Connie Fidlee | 60 | Head | — | Iowa |
| 77 | James W. Carter | 74 | Head | Carpenter | Indiana |
| 78 | H. Clair Cox | 47 | Head | Con-Supervisor | England |
| 79 | Crystal Mae Cox | 40 | Wife | — | Michigan |
| 80 | Patricia F. Cox | 16 | Daughter | — | Washington |
| 81 | Donald S. Cox | 9 | Son | — | California |
| 82 | Alice Hopkins | 70 | Mother in law | Dressmaker | Michigan |
| 83 | Lalla G. Johnson | 30 | Head | Butcher | Illinois |
| 84 | Lillian V. Johnson | 28 | Wife | Bookkeeper | California |
| 85 | Curtis G. Graham | 34 | Head | Truck Driver | Virginia |
| 86 | Norma Graham | 26 | Wife | — | Wisconsin |
| 87 | Sarah A. Latham | 75 | Head | — | Missouri |
| 88 | Cordelia E. Latham | 28 | Niece | — | Oregon |
| 89 | Mary M. Norris | 78 | Sister | — | Missouri |
| 90 | Theodore R. Ivanoff | 40 | Head | Architect | Bulgaria |
| 91 | Jessie A. Ivanoff | 40 | Wife | Assistant Librarian | Iowa |
| 92 | Theodore Ivanoff | 9 | Son | — | Washington |
| 93 | Evan Ivanoff | 5 | Son | — | Washington |
| 94 | Ethol Crawford | 29 | Head | Sailor | Virginia |
| 95 | Helen Crawford | 28 | Wife | — | Maryland |
| 96 | William Dickenson | 37 | Head | Salesman | England |
| 97 | Florence Dickenson | 33 | Wife | — | England |
| 98 | Lowell J. Neill | 24 | Head | Machinist | Indiana |
| 99 | Edward W. Burke | 36 | Head | Carpenter | At Sea |
| 100 | Esther A. Burke | 36 | Wife | Servant | Washington |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)