HP
Harold Parker — 1930 US Census Record
Model Tree available1930 United States Federal Census · Mercer, Pennsylvania
Our Model Tree links this Harold Parker across the 1910, 1920 and 1930 US Censuses in Mercer, Pennsylvania (XGBoost, ~Confirmed), with identified parents John & John — first a son (b.~1904), then head of a 4-person household.
Age 26
b. ~1904
Male
Son
Born: Pennsylvania
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Mercer, Pennsylvania |
| Surname | Parker |
| Given Name | Harold L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Kansas |
| Additional Details | |
| Occupation | Cashier |
| Industry | Bank |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Cashier |
| Township / Ward | Stoneboro Borough |
| Est. Birth Year | ~1904 |
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.
4 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Harold | Age | Birth yr |
|---|---|---|---|---|
| Harold Parker | Son | — | 26 | ~1904 |
| L Parker | Daughter | — | 23 | ~1907 |
| John Parker | Head | — | 55 | ~1875 |
| Harry Parker | Son | — | 19 | ~1911 |
Census Appearances
1910
Mercer, Pennsylvania
Son, age 6
Mercer, Pennsylvania · implied b. ~1904 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Parker |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Mercer, Pennsylvania
Son, age 16
Mercer, Pennsylvania · implied b. ~1904 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Parker |
| Given Name | Harold D |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Kansas |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Mercer, Pennsylvania
Son, age 26
Mercer, Pennsylvania · implied b. ~1904 — 4 household members
| Surname | Parker |
| Given Name | Harold L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Kansas |
| Occupation | Cashier |
| Industry | Bank |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| 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 Harold Parker across 3 US Census years (1910, 1920 and 1930) in Mercer, Pennsylvania, using XGBoost record linkage. Identified parents: father John Parker (~0.92 confidence) and father John Parker (~0.92 confidence) and father John Parker (~0.92 confidence) and mother Anna Parker (~0.92 confidence) and mother Lydia Parker (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Parker
b. ~1875
Source father
● Household
· direct · ~0.92
Father
John Parker
b. ~1877
Source father
● Household
· direct · ~0.92
Father
John Parker
b. ~1875
Source father
● Household
· direct · ~0.92
Mother
Anna Parker
b. ~1877
Source mother
● Household
· direct · ~0.92
Mother
Lydia Parker
b. ~1873
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harold Parker
Son · 1930 · age 26 · b. ~1904 · Pennsylvania
★ You are viewing this record
Sibling
L Parker
Sibling · 1930 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harry Parker
Sibling · 1930 · age 19
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
1930 US Federal Census — Mercer, Pennsylvania
Open full size
1930 US Federal Census — Mercer, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1930:fifteenthcensus00reel2078:0078)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Albert B. Martin | 41 | Boarder | Truck Driver | Pennsylvania |
| 52 | Wendel L. Thompson | 32 | Roomer | Laborer | Ohio |
| 53 | Neva D. Thompson | 25 | Roomer | — | Ohio |
| 54 | Edward J. Cathcart | 52 | Head | Watchman | Pennsylvania |
| 55 | Myrtle M. Cathcart | 51 | Wife-H | — | Pennsylvania |
| 56 | Gordon J. Cathcart | 15 | Son | — | Ohio |
| 57 | Florence D. White | 58 | Nurse | Nurse | Pennsylvania |
| 58 | William Doyle | 67 | Head | Farmer | England |
| 59 | Louisa Doyle | 62 | Wife-H | — | Pennsylvania |
| 60 | John M. Parker | 55 | Head | Barber | Pennsylvania |
| 61 | Harold L. Parker THIS PERSON | 26 | Son | Cashier | Pennsylvania |
| 62 | L. Jeanette Parker | 23 | Daughter | Teacher | Pennsylvania |
| 63 | Harry S. Parker | 19 | Son | — | Pennsylvania |
| 64 | Richard S. Bromer | 52 | Head | Laborer | Pennsylvania |
| 65 | Ida J. Bromer | 28 | Wife-H | — | Pennsylvania |
| 66 | Margret A. Bromer | 9 | Daughter | — | Pennsylvania |
| 67 | Francis A. Bromer | 5 | Son | — | Pennsylvania |
| 68 | Margret A. Bromer | 76 | Mother | — | Pennsylvania |
| 69 | Johanna Tobin | 55 | Head-H | — | Pennsylvania |
| 70 | Elizabeth P. Snyder | 31 | Head-H | Operator | Pennsylvania |
| 71 | Harry Harrison | 45 | Head | Laborer | Pennsylvania |
| 72 | Kathryn B. Harrison | 47 | Wife-H | — | Pennsylvania |
| 73 | Paul R. Harrison | 11 | Son | Laborer | Pennsylvania |
| 74 | Mary A. Vickerman | 80 | Aunt | — | England |
| 75 | Fred Proud | 42 | Head | Laborer | Pennsylvania |
| 76 | James M. Proud | 38 | Wife-H | — | Pennsylvania |
| 77 | Arthur H. Proud | 17 | Son | Laborer | Pennsylvania |
| 78 | Helen E. Proud | 15 | Daughter | — | Pennsylvania |
| 79 | Joseph Halloway | 68 | Head | Miner | Pennsylvania |
| 80 | Sarah Halloway | 62 | Wife-H | — | England |
| 81 | Joseph Halloway | 37 | Daughter | — | Pennsylvania |
| 82 | Wm. C. Clark | 56 | Head | Miner | Irish Free State |
| 83 | Emma Clark | 42 | Wife-H | — | Pennsylvania |
| 84 | Alexander Clark | 18 | Son | — | Pennsylvania |
| 85 | Leona Clark | 11 | Daughter | — | Pennsylvania |
| 86 | Lamont M. Mcguire | 38 | Head | Section Laborer | Pennsylvania |
| 87 | Annie M. Mcguire | 30 | Wife-H | — | Pennsylvania |
| 88 | William L. Mcguire | 6 | Son | — | Pennsylvania |
| 89 | Robert W. Mcguire | 4 | Son | — | Pennsylvania |
| 90 | Mary E. Mcguire | 2 | Daughter | — | Pennsylvania |
| 91 | Shirley E. Mcguire | 1 | Daughter | — | Pennsylvania |
| 92 | Lamont M. Jr. Mcguire | 0 | Son | — | Pennsylvania |
| 93 | Henry J. Pudback | 70 | Head | — | Pennsylvania |
| 94 | Sarah E. Pudback | 60 | Wife-H | — | Pennsylvania |
| 95 | Walter J. Pudback | 20 | Son | Laborer | Pennsylvania |
| 96 | Mary E. Pudback | 18 | Daughter | — | Pennsylvania |
| 97 | Walter J. Morton | 77 | Boarder | — | Pennsylvania |
| 98 | Robert R. Thompson | 54 | Head | Painter | Pennsylvania |
| 99 | Irene C. Thompson | 38 | Wife-H | — | Pennsylvania |
| 100 | William J. Thompson | 20 | Son | Laborer | Pennsylvania |
Related Census Records
Pedigree Summary
Harold + 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 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)