I had previously posted a more in-depth version of this on another website.
1. William Sinclair m. Anne Officer and had issue,
2. John Sinclair b. abt 1740 m. Mary Harper and had,
3. William Sinclair (1760-c. 1842) m. Elizabeth Montgomery and had,
4. William Sinclair m. Mary Gibson
4. John Sinclair b. abt 1809 m. Elizabeth Pirrie and had,
5. William Pirrie Sinclair, d. 1836.
5. William Sinclair m. 1865 Agnes Crichton, dau of Rev Hugh Crichton
5. Elizabeth Montgomery Sinclair m. W. Fleming Stevenson and had,
6. Ethel Stevenson
6. Lillian Stevenson
5. Thomas McElderry Sinclair (1842-1881) d. Cedar Rapids, Iowa; m 1870 at Fredericksburg, VA to Caroline Campbell Soutter (1847-1917), dau ofRobert Soutter and Philadelphia Campbell and had,
6. John Falconer Sinclair, b. abt 1871; lived Philadelphia; m. ?
6. Agnes M. Sinclair(1880-1962) m. Mr Vincent
6. Robert Soutter Sinclair (1872-1937) m. 1 Elizabeth Jeanette Alexander; m.2 1923 Mary Ethel Heywood, widow of John Alonzo Bennett.
6. Elsie Campbell Sinclair, b. abt 1875; Bryn Mawr, class of 1897; m. abt. 1899 to Dr. Cortlandt Van Rensselear Hodge; both killed in 1900 at Paotingfu during Boxer rebellion
6. Amy Sinclair (1876-1921); buried Oak Hill Cemetery, Iowa
6. Fanny Soutter Sinclair m. 1902 Andrew Henry Woods, son of Rev Francis M. Woods and Julia Miller Junkin.
5. Jane Sinclair m. 1875 Samuel Kingan, D.L., J.P. of Glenganagh, co. Down and had,
6. William Kingan, D.L., J.P., High Sheriff, b. 1876; m. 1921 Catherine Brett, dau of Alfred Edward Brett of Craigavad, co. Down.
6. Thomas Kingan, b. 1879
6. Elizabeth Kingan, b. 1881; m. 1916 Brig. Gen. Herbert Richard Done, son of Richard Done, D.L. of Tarporley, Cheshire w/issue.
6. Mary Kingan, b. 1883; m. 1914 Maj. John Bagwell, only son of William Bagwell, J.P. of Eastgrove, co. Cork w/issue.
5. John Morrison Sinclair, d. 1878; m. Elizabeth Lecky Richardson, eldest dau of William Richardson of Brooklands, Belfast, co. Antrim and had,
6. Ivan Sinclair, d. 1902
5. Samuel Gibson Sinclair
5. Robert Simms Sinclair
5. Agnes Sinclair
5. Letitia Sinclair
4. Thomas Sinclair, Sr. (1811-1867) m. 1. Sarah Archer and had,
5. William Sinclair (1836-1854)
5. Elizabeth Montgomery Sinclair m. 1859 Henry Kirk, son of William Kirk, Esq.
5. Hon. Thomas Sinclair, Jr. (1838-1914) m. 1. Mary Duffin and had,
6. Frances Elizabeth Sinclair, b. 1877 m. William Sinclair Crichton.
6. Thomas Charles Sinclair, b. 1879; m. Iris Lund and had,
The Hon. Thomas Sinclair m. 2 1882 Elizabeth Lecky Richardson, widow of his cousin, John Sinclair and had,
6. Elizabeth Dora Sinclair (1883-1966) m. Capt Miles Carbery; m. 2 Gordon Bald
6. William Richardson Sinclair (1884-1965) m. 1914 Emily Letitia Taggart in Indiana.
6. Enid Helen (Nell) Sinclair, b. 1887; m. 1914 Maurice Hamilton, son of Charles Hamilton and Emily Smyth-King.
6. Sir Kenneth Duncan Lecky Sinclair, b. 1889; m. 1914 Eleanor Laura Clark, dau of Lt. Col. J. Jackson Clark of co. Derry.
6. Denis John Oliver Sinclair (1894-1964) m. Hilda Case
5. John Sinclair (1841-1908)
5. Mary Sinclair (1843-1853)
4. (see above)Thomas Sinclair, Sr. m. 2 Elizabeth Sydney Edgar and had further issue,
5. Mary Evelyn Sinclair
5. Emily Sinclair
5. Sydney Edgar Sinclair m. Maria Lambert Matier, dau of Henry Matier, J.P. of Dunlambert, Fort William Park, Belfast. She d. 11 May 1936 in Cedar Rapids, Iowa.
6. Mrs H. J. Carson of Omaha, Nebraska
6. Sydney Mervyn Sinclair (1885-1939); Princeton Univ.; lost his eyesight in 1922; Executive Director of Pennsylvania State Council for the Blind; m. 1909 to Marion Fraser, dau of William B. Fraser of Williamsport, Pennsylvania.
5. Francis Howard Sinclair
5. Helen Ethel Sinclair
4. Jane Sinclair m. Robert Sims (Simms)
4. Mary Sinclair m. Samuel Gibson
3. Henry Sinclair (c. 1761-1847) m. ? and had
4. James Montgomery Sinclair
4. Margaret Sinclair
3. James Sinclair (c. 1767-1849)