Red 22 - Secretary, Uasin Gishu Farmers' Association, Sergoit

Red 22 - Plateau Maize Growers' Association, Eldoret

KAD 1922 - Sec., Plateau Maize Growers' Association & Uasin Gishu Farmers' Association

KFA - Present at 1922 meeting at Soy to discuss how best to form a co-operative society. Working for McNab Mundell at the time in Eldoret - appointed secretary and manager.

KAD 1922 - Sec. & Treasurer, Eldoret Chamber of Commerce

Trans Nzoia Scrap Book - Article "The Kakamega Gold Rush" - A man named Ross, from Kibigori, found a very promising reef near Kakamega township. He joined forces with Foster and Forbes-Mangan of Kitale who financed the essential work. They were bought up by a London company and the well known Rosterman Mine grew up and continued to work long after most of the other mines had closed down.

Soldier Settlement Scheme after WW1 - Class B - Pte. G.J.F. Forbes-Mangan, 44 Quantock Road, Weston-super-Mare - Farm 331

Macmillan 1930 - Kirkwood & Co. - Kitale - Few if any towns in the British Empire have had their development so greatly influenced by one man as Kitale has by Lieut.-Col. The Hon J. G. Kirkwood, CMG, DSO, MLC. That well known gentleman arrived in Kenya early in 1920 in connection with the soldiers' settlement scheme and selecting with excellent judgement the district with the most promising potentialities he settled at Kitale ……… In January 1926 Colonel Kirkwood was joined in partnership by Mr G.J.F. Forbes-Mangan and under the style of Kirkwood & Co. they started at Kitale a very small store for general merchandise but supplying more especially all kinds of building and farming requirements and it was attended with great success.

Red 25 - Honorary Permit Issuer; Secretary, Plateau Maize Growers Limited

Eldoret

Red 22 has F.G.C. Mangen, Eldoret

Red 31 has G.J.F. Mangan, Kitale.

Hut has G.J. Forbes Mangan 1920 partner with Cartwright, Eldoret.

Hut has G.J.F. Mangan 1930 Kitale

1939 England and Wales Register living in Godstone with wife