JT
John Tierney — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Baltimore-City-County, Maryland
Our Model Tree links this John Tierney across the 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed) — first a head (b.~1900), then head of a 6-person household.
Age 40
b. ~1900
Male
Head
Born: Maryland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Tierney |
| Given Name | John A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Additional Details | |
| Occupation | Shipfitter |
| Industry | Shipyard |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 300 |
| Highest Grade | No 8 |
| 1935 Residence | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Shipfitter |
| 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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Elizabeth Tierney | Daughter | — | 14 | ~1926 |
| Rosemary Tierney | Daughter | — | 16 | ~1924 |
| Joan Tierney | Daughter | — | 8 | ~1932 |
| John Tierney | Head | — | 40 | ~1900 |
| Elizabeth Tierney | Spouse | — | 32 | ~1908 |
| John Tierney | Son | — | 10 | ~1930 |
Census Appearances
1930
Baltimore, Maryland
Head, age 30
Baltimore, Maryland · implied b. ~1900 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Tierney |
| Given Name | John A |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 23 |
| Father's Birthplace | United States |
| Mother's Birthplace | Maryland |
| Occupation | Conductor |
| Industry | Street Railway |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 3000 |
| Radio Set | R |
| Veteran | No |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Head, age 40
Baltimore-City-County, Maryland · implied b. ~1900 — 6 household members
| Surname | Tierney |
| Given Name | John A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Occupation | Shipfitter |
| Industry | Shipyard |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 300 |
| Highest Grade | No 8 |
| 1935 Residence | Maryland |
| 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 Tierney across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Tierney
Head · 1940 · age 40 · b. ~1900 · Maryland
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Baltimore-City-County, Maryland
Open full size
1940 US Federal Census — Baltimore-City-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01526-00008)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Sidney Newberger | 25 | Son | — | Maryland |
| 2 | Meyer Newberger | 45 | Head | Collector | Pennsylvania |
| 3 | Leah Newberger | 46 | Wife | — | Maryland |
| 4 | Fay Newberger | 14 | Daughter | — | Maryland |
| 5 | Ernest O. Fisher | 59 | Head | — | Maryland |
| 6 | Agnes Fisher | 46 | Wife | — | Maryland |
| 7 | James M. Fisher | 14 | Son | — | W. Virginia |
| 8 | Thomas E. Fisher | 9 | Son | — | Maryland |
| 9 | Virginia Immler | 39 | Head | Stenographer | Maryland |
| 10 | Louis Gordon | 43 | Head | Broker | Maryland |
| 11 | Virginia M. Gordon | 23 | Wife | — | Maryland |
| 12 | Jerome Weingroff | 27 | Head | Salesman | Maryland |
| 13 | Sylvia B. Weingroff | 26 | Wife | Stenographer | Maryland |
| 14 | Alkun Bilich | 71 | Head | Meat Cutter | Russia |
| 15 | Minnie Bilich | 62 | Wife | — | Russia |
| 16 | Chas. Glendenning | 36 | Head | Machinist | Maryland |
| 17 | Margaret Glendenning | 35 | Wife | Operator | Maryland |
| 18 | Margaret Glendenning | 13 | Daughter | — | Maryland |
| 19 | Viola Glendenning | 12 | Daughter | — | Maryland |
| 20 | Dorothy Glendenning | 9 | Daughter | — | Maryland |
| 21 | Charles H. Glendenning | 68 | Father | Machinist | Maryland |
| 22 | John A. Tierney THIS PERSON | 40 | Head | Shipfitter | Maryland |
| 23 | Elizabeth S. Tierney | 32 | Wife | Waitress | Maryland |
| 24 | Rosemary Tierney | 16 | Daughter | Apprentice | Maryland |
| 25 | Elizabeth Tierney | 14 | Daughter | — | Maryland |
| 26 | John Jr. Tierney | 10 | Son | — | Maryland |
| 27 | Joan Tierney | 8 | Daughter | — | Maryland |
| 28 | Jackson Wyatt | 33 | Head | Salesman | Maryland |
| 29 | Elizabeth F. Wyatt | 35 | Wife | — | Maryland |
| 30 | Jacqueline S. Wyatt | 6 | Daughter | — | Maryland |
| 31 | Robert Wyatt | 3 | Son | — | Maryland |
| 32 | Edwin J. Wyatt | 36 | Brother | Operator | Maryland |
| 33 | William A. Kyle | 45 | Head | Commission | Maryland |
| 34 | Pearl N. Kyle | 50 | Wife | — | Virginia |
| 35 | Nevada V. Kyle | 20 | Daughter | Saleslady | Maryland |
| 36 | Evelyn R. Kyle | 18 | Daughter | Waitress | Maryland |
| 37 | Ruth V. Kyle | 15 | Daughter | — | Maryland |
| 38 | Dorothy P. Kyle | 13 | Daughter | — | Maryland |
| 39 | Jack W. Kyle | 11 | Son | — | Maryland |
| 40 | Elmer Schoppert | 26 | Head | Machinist | Maryland |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 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)