JH
John Hull — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Frederick, Maryland
Our Model Tree links this John Hull across the 1920 and 1930 US Censuses in Frederick, Maryland (XGBoost, ~Confirmed) — first a son (b.~1917), then head of a 6-person household.
Age 13
b. ~1917
Male
Son
Born: Maryland
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Frederick, Maryland |
| Surname | Hull |
| Given Name | John L |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Frederick City |
| Est. Birth Year | ~1917 |
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 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Minnie Hull | Other | — | 34 | ~1896 |
| Charles Hull | Head | — | 35 | ~1895 |
| Kathryn Hull | Daughter | — | 5 | ~1925 |
| John Hull | Son | — | 13 | ~1917 |
| Elmer Hull | Son | — | 10 | ~1920 |
| Margaret Hull | Daughter | — | 14 | ~1916 |
Census Appearances
1920
Frederick, Maryland
Son, age 2
Frederick, Maryland · implied b. ~1918 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hull |
| Given Name | John L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Frederick, Maryland
Son, age 13
Frederick, Maryland · implied b. ~1917 — 6 household members
| Surname | Hull |
| Given Name | John L |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read/Write | Yes |
| 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 John Hull across 2 US Census years (1920 and 1930) in Frederick, Maryland, using XGBoost record linkage.
Show:
This person
Anchor record
John Hull
Son · 1930 · age 13 · b. ~1917 · Maryland
★ You are viewing this record
Sibling
Margaret Hull
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kathryn Hull
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elmer Hull
Sibling · 1930 · age 10
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 — Frederick, Maryland
Open full size
1930 US Federal Census — Frederick, Maryland
Page Contents
50 people indexed on this census page (ia:1930:15thcensus874unit:0105)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Andrew J Mershing | 41 | Brother-in-law | Mason | Pennsylvania |
| 2 | Oscar F Mershing | 40 | Head | Retail Merchant | Maryland |
| 3 | Kathryn G Mershing | 38 | Wife-H | — | Maryland |
| 4 | Eileen J Mershing | 17 | Daughter | — | Maryland |
| 5 | Mary E Mershing | 15 | Daughter | — | Maryland |
| 6 | Lola F Mershing | 11 | Daughter | — | Maryland |
| 7 | Catherine R Mershing | 7 | Daughter | — | Maryland |
| 8 | Charles W Mershing | 5 | Son | — | Maryland |
| 9 | Jeanne G Mershing | 2 | Daughter | — | Maryland |
| 10 | Leon S Mershing | 2 | Son | — | Maryland |
| 11 | Catherine L Conrad | 75 | Mother-in-law | — | Maryland |
| 12 | John F Byrne | 44 | Head | Physician | Rhode Island |
| 13 | Esther M Byrne | 42 | Wife-H | — | Maryland |
| 14 | John F Jr Byrne | 16 | Son | — | Maryland |
| 15 | James W Appleby | 56 | Head | Retail Merchant | Maryland |
| 16 | Grace B Appleby | 57 | Wife-H | — | Maryland |
| 17 | Frances R Metcalfe | 31 | Daughter | — | Maryland |
| 18 | Mary F Metcalfe | 10 | Granddaughter | — | Maryland |
| 19 | John M Miller | 72 | Head | Vice President | Maryland |
| 20 | Fannie H Miller | 67 | Wife-H | — | District of Columbia |
| 21 | Edith M Miller | 37 | Daughter | Teacher | Maryland |
| 22 | Virginia H Miller | 27 | Daughter | — | Maryland |
| 23 | George S Summers | 61 | Head | — | Maryland |
| 24 | Lillie B Summers | 59 | Wife-H | — | Maryland |
| 25 | Maynard G Summers | 21 | Son | Salesman | Maryland |
| 26 | Bryant Morgan | 36 | Boarder | Laborer | Maryland |
| 27 | Harry R Flautt | 51 | Head | Retail Merchant | Maryland |
| 28 | Ella G Flautt | 51 | Wife-H | — | Maryland |
| 29 | Mildred S Branch | 36 | Sister-in-law | — | Maryland |
| 30 | Charles E Hull | 35 | Head | Machinist | Maryland |
| 31 | Minnie M Hull | 34 | Wife-H | — | Maryland |
| 32 | Margaret D Hull | 14 | Daughter | — | Maryland |
| 33 | John L Hull THIS PERSON | 13 | Son | — | Maryland |
| 34 | Elmer L Hull | 10 | Son | — | Maryland |
| 35 | Kathryn E Hull | 5 | Daughter | — | Maryland |
| 36 | Fannie G Lease | 66 | Head | — | Maryland |
| 37 | Mary B Lease | 37 | Daughter | Saleslady | Maryland |
| 38 | Katharine E Lease | 27 | Daughter | Stenographer | Maryland |
| 39 | Mary L Thomas | 82 | Head | — | Maryland |
| 40 | Clara A Thomas | 63 | Daughter | — | Maryland |
| 41 | Roy E Nidurk | 50 | Head | Truck Driver | Maryland |
| 42 | Beulah M Nidurk | 47 | Wife-H | — | West Virginia |
| 43 | Bernard D Nidurk | 20 | Son | — | Maryland |
| 44 | Ralph E Cecil | 27 | Son-in-law | Plumber | Maryland |
| 45 | Mable B Cecil | 23 | Daughter | — | Maryland |
| 46 | Betty L Cecil | 1 | Granddaughter | — | Maryland |
| 47 | Ernest J Mcgeha | 50 | Head | Manager | Maryland |
| 48 | Ester M Mcgeha | 50 | Wife-H | — | Maryland |
| 49 | David Groff | 74 | Head | — | Maryland |
| 50 | Nannie Groff | 62 | Sister-H | — | Maryland |
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)