Her birth:

Surname First name(s) District Vol  Page
Births Dec 1888
HOARE Constance Ethel Edmonton 3a 266
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Might any of these have been her marriage:

Surname First name(s) Spouse District Vol  Page
Marriages Jun 1914   (>99%)
Hoare Constance Goosey Wandsworth 1d 1057   
Hoare Constance M Gullidge Hungerford 2c  675   
Marriages Mar 1915   (>99%)
Hoare Constance J Lloyd Southampton 2c  91   
Marriages Jun 1916   (>99%)
Hoare Constance Clarke Holborn 1b 1331   
Marriages Jun 1918   (>99%)
Hoare Constance Vowles Exeter 5b 174   
Marriages Dec 1927   (99%)
Hoare Constance D Halford Loughbro' 7a  369   
Marriages Jun 1928   (>99%)
Hoare Constance E Waterton Edmonton 3a  1404   
Marriages Sep 1930   (>99%)
Hoare Constance M White Hendon 3a 1175   
Marriages Jun 1934   (>99%)
Hoare Constance S Pool Birmingham 6d 611   
Marriages Jun 1936   (99%)
Hoare Constance M White Westminster 1a  1092   
Marriages Dec 1936   (97%)
HOARE Constance E I Easy Cambridge 3b 1231   
Marriages Mar 1940   (71%)
Hoare Constance F Morgan Bristol 6a 541

Her parents were living in Islington from 1911 which might be a pointer to one or two of these.
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