JL
John Lynch — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Baltimore, Maryland
Our Model Tree links this John Lynch across the 1910, 1920 and 1930 US Censuses in Baltimore, Maryland (XGBoost, ~Confirmed) — first a head (b.~1877), then head of a 9-person household.
Age 53
b. ~1877
Male
Head
Born: Maryland
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Baltimore, Maryland |
| Surname | Lynch |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 25 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 6500 |
| Radio Set | R |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1877 |
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.
9 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Catherine Lynch | Daughter | — | 18 | ~1912 |
| Rita Lynch | Daughter | — | 4 | ~1926 |
| Alice Lynch | Daughter | — | 11 | ~1919 |
| Mary Lynch | Daughter | — | 24 | ~1906 |
| John Lynch | Head | — | 53 | ~1877 |
| William Lynch | Son | — | 14 | ~1916 |
| John Lynch | Son | — | 22 | ~1908 |
| James Lynch | Son | — | 6 | ~1924 |
| Mary Lynch | Spouse | — | 51 | ~1879 |
Census Appearances
1910
Baltimore, Maryland
Head, age 33
Baltimore, Maryland · implied b. ~1877 — 29 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lynch |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Maryland |
| Years Married | 10 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Laborer |
| Industry | Steam Railroad |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1920
Baltimore, Maryland
Head, age 44
Baltimore, Maryland · implied b. ~1876 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lynch |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Farmer |
| Industry | Truck Farm |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Baltimore, Maryland
Head, age 53
Baltimore, Maryland · implied b. ~1877 — 9 household members
| Surname | Lynch |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 25 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 6500 |
| Radio Set | R |
| 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 Lynch across 3 US Census years (1910, 1920 and 1930) in Baltimore, Maryland, using XGBoost record linkage.
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This person
Anchor record
John Lynch
Head · 1930 · age 53 · b. ~1877 · Maryland
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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:1930:15thcensus856unit:0327)
| Line | Name | Age | Relation | Birthplace |
|---|---|---|---|---|
| 51 | Ruth E Parker | 12 | Daughter | Maryland |
| 52 | Katherine V Parker | 13 | Daughter | Maryland |
| 53 | Isaac G Goldstein | 53 | Head | Maryland |
| 54 | Paul J J Goldstein | 8 | Son | Maryland |
| 55 | Maggie Goldstein | 82 | Mother | Maryland |
| 56 | John Ward | 67 | Head | Pennsylvania |
| 57 | Anna A Ward | 66 | Wife | Pennsylvania |
| 58 | Nellie N Ball | 37 | Daughter | Pennsylvania |
| 59 | Nelson S Ball | 41 | Son-in-law | Maryland |
| 60 | John J S Ball | 11 | Grandson | Pennsylvania |
| 61 | Marie G Ball | 12 | Granddaughter | Pennsylvania |
| 62 | John Lynch THIS PERSON | 53 | Head | Maryland |
| 63 | Mary Lynch | 51 | Wife | Maryland |
| 64 | Mary Lynch | 24 | Daughter | Maryland |
| 65 | John Lynch | 22 | Son | Maryland |
| 66 | Catherine Lynch | 18 | Daughter | Maryland |
| 67 | William Lynch | 14 | Son | Maryland |
| 68 | Alice Lynch | 11 | Daughter | Maryland |
| 69 | James Lynch | 6 | Son | Maryland |
| 70 | Rita Lynch | 4 | Daughter | Maryland |
| 71 | Benjamin Snyder | 43 | Head | Maryland |
| 72 | Laura Snyder | 42 | Wife | Maryland |
| 73 | Benjamin Snyder | 17 | Son | Maryland |
| 74 | Isabel C Snyder | 12 | Daughter | Maryland |
| 75 | Robert L Snyder | 10 | Son | Maryland |
| 76 | Joseph A Snyder | 8 | Son | Maryland |
| 77 | Richard Snyder | 6 | Son | Maryland |
| 78 | Joseph Snyder | 51 | Head | Maryland |
| 79 | Mary Snyder | 50 | Wife | Maryland |
| 80 | Joseph Snyder | 20 | Son | Maryland |
| 81 | Catherine Snyder | 24 | Daughter | Maryland |
| 82 | William Snyder | 63 | Head | Maryland |
| 83 | Rose C Snyder | 54 | Wife | Maryland |
| 84 | William J Snyder | 30 | Son | Maryland |
| 85 | Leo Snyder | 19 | Son | Maryland |
| 86 | Rose S Snyder | 31 | Daughter | Maryland |
| 87 | William G Snyder | 4 | Grandson | Maryland |
| 88 | Joanne A Snyder | 3 | Granddaughter | Maryland |
| 89 | Merrick E Snyder | 1 | Grandson | Maryland |
| 90 | Merrick Snyder | 40 | Son-in-law | Maryland |
| 91 | Alfred E Sharp | 55 | Head | New York |
| 92 | Louisa F Sharp | 43 | Wife | Maryland |
| 93 | Edith Sharp | 17 | Daughter | Maryland |
| 94 | June Sharp | 13 | Daughter | Maryland |
| 95 | Peter T Mcauliffe | 70 | Head | North Carolina |
| 96 | Ida B Mcauliffe | 60 | Wife | Maryland |
| 97 | Catherine B Walsh | 41 | Head | Maryland |
| 98 | Katherine S Walsh | 19 | Daughter | Maryland |
| 99 | Jefferson J Walsh | 18 | Son | Maryland |
| 100 | Philip A Walsh | 16 | Son | 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)