JH
John Hardy — 1920 US Census Record
Model Tree available1920 United States Federal Census · None, Maryland
Our Model Tree links this John Hardy across the 1900, 1910 and 1920 US Censuses in Maryland (XGBoost, ~Confirmed), with identified parents Clarence & Annie — first a son (b.~1900), then head of a 4-person household.
Age 20
b. ~1900
Male
Son
Born: Maryland
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | None, Maryland |
| Surname | Hardy |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Occupation | Housework |
| Industry | At Home |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Housework |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1900 |
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 1920 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Jeremiah Hardy | Head | — | 40 | ~1880 |
| Jeremiah Hardy | Son | — | 13 | ~1907 |
| John Hardy | Son | — | 20 | ~1900 |
| Mary Hardy | Spouse | — | 40 | ~1880 |
Census Appearances
1900
Frederick, Maryland
Son, age 1
Frederick, Maryland · implied b. ~1899 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hardy |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Maryland |
| Birth Month | Feb |
| Birth Year | 1899 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1910
Frederick, Maryland
Son, age 11
Frederick, Maryland · implied b. ~1899 — 13 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hardy |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1920
None, Maryland
Son, age 20
None, Maryland · implied b. ~1900 — 4 household members
| Surname | Hardy |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Housework |
| Industry | At Home |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | 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 Hardy across 3 US Census years (1900, 1910 and 1920) in 2 locations, using XGBoost record linkage. Identified parents: father Clarence Hardy (~0.92 confidence) and mother Annie Hardy (~0.92 confidence) and mother Fannie Hardy (~0.92 confidence) and father Jeremiah Hardy (~0.92 confidence) and mother Mary Hardy (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Clarence Hardy
b. ~1866
Source father
● Household
· direct · ~0.92
Mother
Annie Hardy
b. ~1868
Source mother
● Household
· direct · ~0.92
Mother
Fannie Hardy
b. ~1868
Source mother
● Household
· direct · ~0.92
Father
Jeremiah Hardy
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Mary Hardy
b. ~1880
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Hardy
Son · 1920 · age 20 · b. ~1900 · Maryland
★ You are viewing this record
Sibling
Jeremiah Hardy
Sibling · 1920 · 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
1920 US Federal Census — None, Maryland
Open full size
1920 US Federal Census — None, Maryland
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu663unit:0050)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Sarah Hardy | 6 | Daughter | — | Maryland |
| 52 | Ethel Hardy | 5 | Daughter | — | Maryland |
| 53 | James Anderson | 32 | Head | Laborer | Virginia |
| 54 | Harrietta Anderson | 27 | Wife | — | Virginia |
| 55 | Georgia Anderson | 11 | Daughter | — | Virginia |
| 56 | Frank Smith | 22 | Lodger | Laborer | Georgia |
| 57 | Max South | 40 | Lodger | Janitor | Virginia |
| 58 | Frederick Ervin | 39 | Lodger | Laborer | Ohio |
| 59 | Harry Price | 39 | Lodger | Housework | Pennsylvania |
| 60 | Sarah Cole | 40 | Head | Housework | Maryland |
| 61 | Laura Coughlin | 62 | Mother | Laundress | Maryland |
| 62 | Benjamin Helm | 22 | Lodger | Laborer | Virginia |
| 63 | Anna Helm | 24 | Lodger | Laundress | Virginia |
| 64 | William Hume | 34 | Lodger | Laborer | North Carolina |
| 65 | Cora Hume | 28 | Lodger | Laundress | Maryland |
| 66 | Warren Black | 40 | Lodger | Laborer | North Carolina |
| 67 | Harry Price | 48 | Head | Barber | Maryland |
| 68 | Georgia Price | 33 | Wife | Housework | Maryland |
| 69 | Thomas H. Davis | 65 | Lodger | Janitor | Maryland |
| 70 | Harry Turner | 40 | Head | Waiter | Virginia |
| 71 | Ella Turner | 30 | Wife | — | Virginia |
| 72 | Henry Turner | 20 | Son | Porter | Virginia |
| 73 | Herbert Turner | 8 | Son | — | Maryland |
| 74 | Ida Harrington | 38 | Head | Waitress | Maryland |
| 75 | Lillie Williams | 28 | Lodger | — | Virginia |
| 76 | James Williams | 30 | Lodger | Laborer | North Carolina |
| 77 | Martha Scott | 24 | Lodger | Housework | Maryland |
| 78 | Isaac Starks | 63 | Head | Laborer | Virginia |
| 79 | Josephine Starks | 52 | Wife | — | Maryland |
| 80 | Susan Lauris | 50 | Lodger | Cook | Maryland |
| 81 | Lula Smith | 30 | Head | Housework | Maryland |
| 82 | Paul Lowry | 51 | Head | Barber | Maryland |
| 83 | Theresa Lowry | 53 | Wife | Laundress | Maryland |
| 84 | Priscilla Cromwell | 49 | Lodger | Cook | Maryland |
| 85 | Walter Williams | 28 | Head | Laborer | Maryland |
| 86 | Joseph Williams | 25 | Lodger | Porter | Cuba |
| 87 | William Gray | 45 | Lodger | Moulder | South Carolina |
| 88 | Anna B. Gray | 29 | Lodger | — | North Carolina |
| 89 | Maria Williams | 44 | Lodger | — | Maryland |
| 90 | Gladys Williams | 18 | Lodger | — | Maryland |
| 91 | Edna Williams | 15 | Lodger | — | Maryland |
| 92 | Jeanette Gray | 17 | Lodger | — | Maryland |
| 93 | Jeremiah Hardy | 40 | Head | Watchman | Maryland |
| 94 | Mary Hardy | 40 | Wife | Day Maid | Maryland |
| 95 | John Hardy THIS PERSON | 20 | Son | Housework | Maryland |
| 96 | Jeremiah Hardy | 13 | Son | — | Maryland |
| 97 | Conrad Boucher | 42 | Head | Painter | Maryland |
| 98 | Anna Boucher | 42 | Wife | — | United States |
| 99 | Edward Boucher | 22 | Son | Housework | Alabama |
| 100 | Jerome Boucher | 20 | Son | Housework | Alabama |
Related Census Records
Pedigree Summary
John + 1 sibling
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 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)