I have
Thomas Downward = Ann Booth

Thomas DSM 23 NOV 1777

Sarah Onc 09 MAR 1780 (no mother)
? 2nd Marriage
Thomas Downward = Catherine CLUGSTON Mic 05 AUG 1788
? Catherine Downward bur Bal 25 May 1831
(? can't find burial for Thomas)

Charles Downward = Elizabeth Dinwiddie/Dinwoody m. Mal 05 AUG 1788
[Roper Douglas 1811]

Mary Mal 17 MAY 1789

Olive Mal 18 OCT 1791

James Mal 17 MAR 1794

Elizabeth DSM 20 JAN 1797 ? bur Dsg 16 Apr 1811

Charles DSG 28 DEC 1798 ? bur Bra 13 Aug 1804 (child of Charles)

?Anne bur (infant) Dsg/Bra 5 Sep 1802

Charles DSM 17 MAR 1803

Richard DSM 28 SEP 1806 ? bur Dsg 28 Jan 1810

Richard Thomas DSG 30 JUN 1810

John Downward = Ellen/Ellenor Corrin/Corran Mar 16 NOV 1822

Hester Mar 10 AUG 1823 m. James Christian Bra 10 AUG 1844

William Mal 27 NOV 1825 ? m Jane Quine Bra 05 AUG 1849 bur Bra 4 Apr 1883

Jane Mal 21 JUN 1829 ? Bur Bra 24 Apr 1872

James Downward = Esther

Margaret Ellen DSM 01 JAN 1860

John Downward = Margaret [Moore] m Bra 31 MAY 1846

Margaret DSB 23 MAY 1847

John DSB 15 OCT 1848

John Downward = Jane

John James DSB 12 NOV 1865

William Downward = Jane
[1863 Farmer Downward William, Archway, South Quay + Stone Merchant South Quay
1881dir Downward, Wm., farmer, 5 & 6 South-quay-arch, South-quay]

Thomas DSM 25 DEC 1851

Eleanor DSM 01 JAN 1854

George William DSM 11 MAY 1856 (1881 dir Braddan Downward, George W., farmer, Ballaslig)

Deaths
c/o John Bra 10 Feb 1787
John age 84 Dsg 13 Jul 1836
Richard Dsg 28 Jan 1810

Wills
DOWNWARD, Catharine 1831 Bal E 2 0106431
DOWNWARD, John 1836 Ger E 2 0106436
DOWNWARD, Thomas 1885 Ram 39 0106500
DOWNWARD, William 1883 Dgs A 61 0106493

Marriages
Margaret Downward = John Creer Bra 06 APR 1853

Peel Census 1814
John Downward + 1 female over 14

It is this later entry that I'm currently researching - suspect the wills might help and also any MI from Braddan