JN
James Nichols — 1930 US Census Record
Model Tree available1930 United States Federal Census · Baltimore, Maryland
Our Model Tree links this James Nichols across the 1920, 1930 and 1940 US Censuses in Baltimore, Maryland (XGBoost, ~Confirmed), with identified parents Calvin & Naomi — first a son (b.~1919), then head of a 7-person household.
Age 11
b. ~1919
Male
Son
Born: Maryland
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Baltimore, Maryland |
| Surname | Nichols |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 11 |
| 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 | Baltimore City |
| Est. Birth Year | ~1919 |
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.
7 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Theopolis Nichols | Head | — | 30 | ~1900 |
| Samuel Leonard | Other | — | 65 | ~1865 |
| Theodore Nichols | Son | — | 8 | ~1922 |
| Theodore Nichols | Son | — | 3 | ~1927 |
| James Nichols | Son | — | 11 | ~1919 |
| Alfred Nichols | Son | — | 5 | ~1925 |
| Clementine Nichols | Spouse | — | 30 | ~1900 |
Census Appearances
1920
Baltimore, Maryland
Son, age 2
Baltimore, Maryland · implied b. ~1918 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nichols |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Dist. of Columbia |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Baltimore, Maryland
Son, age 11
Baltimore, Maryland · implied b. ~1919 — 7 household members
| Surname | Nichols |
| Given Name | James |
| 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/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Son, age 21
Baltimore-City-County, Maryland · implied b. ~1919 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nicholas |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore |
| 1935 Residence (County) | Baltimore |
| Occupation | Relief |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 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 James Nichols across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Calvin Nichols (~0.92 confidence) and mother Naomi Nichols (~0.92 confidence) and mother Clementine Nichols (~0.92 confidence) and father Theopolis Nichols (~0.92 confidence) and father Wellington Nicholas (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Calvin Nichols
b. ~1895
Source father
● Household
· direct · ~0.92
Mother
Naomi Nichols
b. ~1899
Source mother
● Household
· direct · ~0.92
Mother
Clementine Nichols
b. ~1900
Source mother
● Household
· direct · ~0.92
Father
Theopolis Nichols
b. ~1900
Source father
● Household
· direct · ~0.92
Father
Wellington Nicholas
b. ~1900
Source father
● Household
· direct · ~0.92
This person
Anchor record
James Nichols
Son · 1930 · age 11 · b. ~1919 · Maryland
★ You are viewing this record
Sibling
Theodore Nichols
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Theodore Nichols
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alfred Nichols
Sibling · 1930 · age 5
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:1930:15thcensus858unit:0092)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Roscoe West | 12 | Grandson | — | Maryland |
| 2 | Mary Lindsey | 35 | Head | Cook | Maryland |
| 3 | Ernest Gaskins | 38 | Head | Chauffeur | Virginia |
| 4 | Emma Gaskins | 36 | Wife | Cook | Virginia |
| 5 | Evelyn Gaskins | 9 | Daughter | — | Virginia |
| 6 | Ernest Jr Gaskins | 6 | Son | — | Virginia |
| 7 | Emory Campbell | 40 | Head | Delivery Man | Virginia |
| 8 | Rachel Campbell | 13 | Daughter | — | Virginia |
| 9 | Robert Campbell | 11 | Son | — | Virginia |
| 10 | William Campbell | 10 | Son | — | Virginia |
| 11 | Mary Stewart | 43 | Head | Laundress | Virginia |
| 12 | James Stewart | 9 | Son | — | Virginia |
| 13 | William Stewart | 8 | Son | — | Virginia |
| 14 | William Boone | 49 | Head | Cook | Virginia |
| 15 | Martha Boone | 45 | Wife | Cook | Virginia |
| 16 | James Colbert | 35 | Lodger | Cook | Maryland |
| 17 | Elizabeth Colbert | 35 | Lodger | Cook | Virginia |
| 18 | Isaac Robinson | 45 | Lodger | Laborer | Maryland |
| 19 | Philip Thompson | 24 | Lodger | Truck Driver | Maryland |
| 20 | Mabel Thompson | 23 | Lodger | — | Maryland |
| 21 | Thompson | 2 | Lodger | — | Maryland |
| 22 | Theopolis Nichols | 30 | Head | Janitor | Maryland |
| 23 | Clementine Nichols | 30 | Wife | — | Maryland |
| 24 | James Nichols THIS PERSON | 11 | Son | — | Maryland |
| 25 | Theodore Nichols | 8 | Son | — | Maryland |
| 26 | Alfred Nichols | 5 | Son | — | Maryland |
| 27 | Theodore Nichols | 3 | Son | — | Maryland |
| 28 | Samuel Leonard | 65 | Grandfather | Waiter | Maryland |
| 29 | Julia Craddock | 27 | Head | Housework | South Carolina |
| 30 | William Craddock | 37 | Husband | Concrete Worker | Alabama |
| 31 | Mary Anderson | 23 | Lodger | House Maid | Maryland |
| 32 | John Anderson | 1 | Lodger | — | Maryland |
| 33 | James Anderson | 0 | Lodger | — | Maryland |
| 34 | Ann Anderson | 24 | Lodger | Concrete Worker | Maryland |
| 35 | James Custer | 28 | Lodger | Cook | Maryland |
| 36 | Lewis G. Bruce | 35 | Head | Laborer | Maryland |
| 37 | Estelle Bruce | 28 | Wife | Seamstress | Maryland |
| 38 | Lucy Butler | 51 | Mother-in-law | — | Maryland |
| 39 | Ernest Gibson | 24 | Lodger | Porter | Maryland |
| 40 | John Key | 25 | Lodger | Chauffeur | Maryland |
| 41 | Annie Key | 20 | Lodger | — | Virginia |
| 42 | John W. Goodin | 72 | Head | — | Maryland |
| 43 | Howard A. Goodin | 41 | Son | Waiter | Maryland |
| 44 | Mattie Goodin | 35 | Daughter-in-law | Dressmaker | Maryland |
| 45 | Pauline Goodin | 14 | Granddaughter | — | Maryland |
| 46 | Howard A. Jr Goodin | 13 | Grandson | — | Maryland |
| 47 | Rose B. Tidings | 23 | Granddaughter | Maid | Maryland |
| 48 | Cordelia Blunt | 52 | Head | Laundress | Virginia |
| 49 | J. William Blunt | 19 | Son | Barber | Virginia |
| 50 | Ruth Blunt | 17 | Daughter | Waitress | Virginia |
Pedigree Summary
James + 3 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)