Third Addition to Rockville and Old St. Mary's Church and Cemetery
type: Thing
description: historic area in Rockville, Maryland, United States
additional property: PropertyValue
  property ID: P17
  value: United States
additional property: PropertyValue
  property ID: P18
  value: St. Mary's Church Rockville.jpg
additional property: PropertyValue
  property ID: P31
  value: historic district
additional property: PropertyValue
  property ID: P131
  value: Rockville
additional property: PropertyValue
  property ID: P149
  value: Georgian architecture
additional property: PropertyValue
  property ID: P373
  value: Third Addition to Rockville and Old St. Mary's Church and Cemetery
additional property: PropertyValue
  property ID: P646
  value: /m/04y6gll
additional property: PropertyValue
  property ID: P649
  value: 78001476
additional property: PropertyValue
  property ID: P1435
  value: National Register of Historic Places listed place
additional property: PropertyValue
  property ID: P8165
  value: 508
additional property: PropertyValue
  property ID: P8282
  value: 17664
confidence:
  popularity graph score:
    score: 0.0
    score pct: 0
    tier: long_tail
    components:
      sitelinks: 0
      sitelinks norm: 0.0
      unique citations: 2
      unique citations norm: 0.001
      monthly pageviews: 0
      monthly pageviews norm: 0.0
  sitelinks: 0
  unique citations: 2
  monthly pageviews: 0
  yearly pageviews: 33
  pageview trend:
    m: 2026-06
    v: 29
  pageview trend:
    m: 2026-05
    v: 4
  tier: long_tail
claims:
  P17:
    value: Q30
    source count: 0
    confidence: 0.0
    value label: United States
  P18:
    value: St. Mary's Church Rockville.jpg
    source count: 1
    confidence: 0.2
  P31:
    value: Q15243209
    source count: 0
    confidence: 0.0
    value label: historic district
  P131:
    value: Q327022
    source count: 0
    confidence: 0.0
    value label: Rockville
  P149:
    value: Q1125300
    source count: 0
    confidence: 0.0
    value label: Georgian architecture
  P373:
    value: Third Addition to Rockville and Old St. Mary's Church and Cemetery
    source count: 0
    confidence: 0.0
  P625:
    value:
      globe: http://www.wikidata.org/entity/Q2
      latitude: 39.0822
      longitude: -77.1456
      precision: 0.0001
    source count: 1
    confidence: 0.2
  P646:
    value: /m/04y6gll
    source count: 0
    confidence: 0.0
  P649:
    value: 78001476
    source count: 0
    confidence: 0.0
  P1435:
    value: Q19558910
    source count: 2
    confidence: 0.4
    value label: National Register of Historic Places listed place
    qualifiers:
      P580: +1978-11-20T00:00:00Z
  P8165:
    value: 508
    source count: 0
    confidence: 0.0
  P8282:
    value: 17664
    source count: 0
    confidence: 0.0
citations:
  source: National Register of Historic Places
  stated in qid: Q3719
citations:
  source: National Archives Catalog
  stated in qid: Q113508718
meta:
  wikidata id: Q7784751
  domain: historic_district
  level: standard
  html url: https://4ort.xyz/entity/third-addition-to-rockville-and-old-st-mary-s-church-and-cemetery
  markdown url: https://4ort.xyz/entity/third-addition-to-rockville-and-old-st-mary-s-church-and-cemetery.md
  facts url summary: https://4ort.xyz/entity/third-addition-to-rockville-and-old-st-mary-s-church-and-cemetery/facts.json
  facts url standard: https://4ort.xyz/entity/third-addition-to-rockville-and-old-st-mary-s-church-and-cemetery/facts.json
  facts url full: https://4ort.xyz/entity/third-addition-to-rockville-and-old-st-mary-s-church-and-cemetery/facts.json
  data source: Wikidata (CC0 / public domain)
  license: https://creativecommons.org/publicdomain/zero/1.0/
  api version: v1
  served at: 2026-08-13T04:36:51.578685Z
  entity updated at: 2026-05-03T21:19:00.258443+00:00Z
  entity created at: 2026-05-03T14:54:14.557065+00:00Z