JH
John Henderson — 1930 US Census Record
Model Tree available1930 United States Federal Census · Baltimore, Maryland
Our Model Tree links this John Henderson across the 1920, 1930 and 1940 US Censuses in Baltimore, Maryland (XGBoost, ~Confirmed), with identified parents Thomas & Monroe — first a son (b.~1914), then head of a 5-person household.
Age 16
b. ~1914
Male
Son
Born: Maryland
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Baltimore, Maryland |
| Surname | Henderson |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1914 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Thelma Henderson | Daughter | — | 13 | ~1917 |
| Monroe Henderson | Head | — | 46 | ~1884 |
| Margie Henderson | Other | — | 41 | ~1889 |
| William Henderson | Son | — | 18 | ~1912 |
| John Henderson | Son | — | 16 | ~1914 |
Census Appearances
1920
Baltimore, Maryland
Son, age 5
Baltimore, Maryland · implied b. ~1915 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Henderson |
| Given Name | John W |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Baltimore, Maryland
Son, age 16
Baltimore, Maryland · implied b. ~1914 — 5 household members
| Surname | Henderson |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Maryland |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Head, age 26
Baltimore-City-County, Maryland · implied b. ~1914 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Henderson |
| Given Name | J. J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Occupation | Clerk |
| Industry | Drugstore |
| Class of Worker | PW |
| Hours Worked | 50 |
| Income (1939) | 1250 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same Place |
| 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 Henderson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Thomas Henderson (~0.92 confidence) and father Monroe Henderson (~0.92 confidence) and mother Margaret Henderson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Thomas Henderson
b. ~1883
Source father
● Household
· direct · ~0.92
Father
Monroe Henderson
b. ~1884
Source father
● Household
· direct · ~0.92
Mother
Margaret Henderson
b. ~1885
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Henderson
Son · 1930 · age 16 · b. ~1914 · Maryland
★ You are viewing this record
Sibling
William Henderson
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thelma Henderson
Sibling · 1930 · age 13
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 — Baltimore, Maryland
Open full size
1930 US Federal Census — Baltimore, Maryland
Page Contents
50 people indexed on this census page (ia:1930:15thcensus870unit:0563)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Lula Collett | 45 | Wife-H | — | Maryland |
| 52 | Margaret Collett | 12 | Daughter | — | Maryland |
| 53 | Milton L Amey | 37 | Head | — | Maryland |
| 54 | Gertrude H Amey | 35 | Wife-H | Steam Fitter | Maryland |
| 55 | Geraldine L Amey | 12 | Daughter | — | Maryland |
| 56 | Milton M Amey | 10 | Son | — | Maryland |
| 57 | Millicent L Amey | 8 | Daughter | — | Maryland |
| 58 | Betty Amey | 4 | Daughter | — | Maryland |
| 59 | Gertie Morton | 62 | Mother in law | Housekeeper | Pennsylvania |
| 60 | Monroe Henderson | 46 | Head | Laborer | Alabama |
| 61 | Margie Henderson | 41 | Wife-H | — | Maryland |
| 62 | William Henderson | 18 | Son | Laborer | Maryland |
| 63 | John Henderson THIS PERSON | 16 | Son | — | Maryland |
| 64 | Thelma Henderson | 13 | Daughter | — | Maryland |
| 65 | August Buckheit | 53 | Head | — | Maryland |
| 66 | Annie Buckheit | 47 | Wife-H | — | Maryland |
| 67 | Edward L Buckheit | 23 | Son | — | Maryland |
| 68 | Harry Hunt | 23 | Son in law | — | Maryland |
| 69 | Helen Hunt | 24 | Daughter | — | Maryland |
| 70 | Frank Beadsworth | 34 | Head | — | Maryland |
| 71 | Frances Beadsworth | 28 | Wife-H | — | Maryland |
| 72 | Frances Beadsworth | 5 | Daughter | — | Maryland |
| 73 | Richmond Green | 60 | Roomer | — | Virginia |
| 74 | Ellen O'Leary | 23 | Roomer | — | Maryland |
| 75 | Rose E O'Leary | 1 | Roomer | — | Maryland |
| 76 | Julian J Lloyd | 44 | Head | — | Maryland |
| 77 | Anna G Lloyd | 33 | Wife-H | — | Maryland |
| 78 | Charlotte Lloyd | 15 | Daughter | — | Maryland |
| 79 | Sarah Lloyd | 12 | Daughter | — | Maryland |
| 80 | Walter Smith | 43 | Head | — | Maryland |
| 81 | Lillian Smith | 37 | Wife-H | — | Maryland |
| 82 | Walter Smith | 18 | Son | — | Maryland |
| 83 | Gordon Smith | 14 | Son | — | Maryland |
| 84 | Thomas H Hubbard | 44 | Head | — | Maryland |
| 85 | Sherman Webb | 31 | Son in law | — | Maryland |
| 86 | Mary Webb | 27 | Daughter | — | Maryland |
| 87 | Mary Webb | 5 | Granddaughter | — | Maryland |
| 88 | Sherman Webb | 0 | Grandson | — | Maryland |
| 89 | Robert H Hubbard | 13 | Son | — | Maryland |
| 90 | Earl C Hill | 43 | Head | — | Alabama |
| 91 | Nannie J Butler | 68 | Mother-H | — | Alabama |
| 92 | Ruth Daybrook | 27 | Niece | — | Maryland |
| 93 | Conrad Stieffel | 48 | Head | — | Maryland |
| 94 | Minnie Stieffel | 45 | Wife-H | — | Maryland |
| 95 | George Stieffel | 16 | Son | — | Maryland |
| 96 | Conrad E Stieffel | 14 | Son | — | Maryland |
| 97 | Frederick Schurf | 64 | Head | Machinist | Germany |
| 98 | Ida Schurf | 59 | Wife-H | — | Germany |
| 99 | Theodore Schurf | 32 | Son | Operator | Maryland |
| 100 | Alvin Schurf | 30 | Son | Overseer | Maryland |
Pedigree Summary
John + 2 siblings
Gen 1 · 3 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)