John Pitcairn was born 11 November 1803 in Johnstone, Renfrewshire, Scotland, United Kingdom to Alexander Pitcairn (1768) and Janet Currie (bef1802) and died circa 1884 of unspecified causes. He married Janet Munro (-1827) August 1824 in Kilbarchan, Renfrewshire, Scotland, United Kingdom. He married Agnes McEwan (1803-1891) 20 December 1828 in Abbey, Renfrewshire, Scotland, United Kingdom.
Children
| Name | Birth | Death | Joined with |
| Catharine Pitcairn (c1824) | |||
| Helen Pitcairn (1825-1874) | |||
| Alexander Pitcairn (-) | |||
| Name | Birth | Death | Joined with |
| Jennett Pitcairn (c1832) | |||
| Robert Pitcairn (1836-1909) | 6 May 1836 Johnstone, Renfrewshire, Scotland, United Kingdom | 25 July 1909 Pittsburgh, Pennsylvania, United States | Elizabeth Erb Rigg (bef1856) |
| Margaret Pitcairn (c1840) | |||
| John Pitcairn (1841-1916) | 10 January 1841 Johnstone, Renfrewshire, Scotland, United Kingdom | 22 July 1916 Bryn Athyn, Pennsylvania, United States | Gertrude Starkey (1855-1898) |
| Hugh Pitcairn (1845-1911) | |||
Footnotes (including sources)
| ‡ General |
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| † Baptism |
| ₪ Wedding |
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