Don't know if this is the one?
I did an F M P search in the Census drop down from the BMD page (not Census menu) with just:- 
Landucci in the surname and 
Shrewsbury in the Optional Keywords box 
A wide -/+ 10 years and 1855 in Birth Year box.
Eugenie and Eugenia come up in the results.
1861 St Julian's Shrewsbury 
Trinity Race 
George L. Landucci, Head, Mar, 33, Carver, born S-mmers Town, London. 
Mary Landucci, Wife, 31, Born Ireland. 
Mary Ann Landucci, 13, born Lambeth Surrey. 
G. A. Landucci, Son, 12, born Lambeth, Surrey. 
Anne Landucci, 10 born Lambeth, Surrey. 
John Landucci, 7 born London. 
Teresa Landucci, 6 born Lambeth Surrey. 
Agnes Landucci, 4, born Shrewsbury. 
Eugenie Landucci, 1, born Shrewsbury. 
Line partly obscurring George L. Landucci, Birthplace but first letter may be an S 
1871 St Julian's Shrewsbury
Wyle Cop
George L Landucci 43 Wood & Stone Carver, born London Old St Pancras.
Mary Landucci, Wife, 41, born Ireland
John Landucci 17 Wood & Stone Carver, born Kent Road, Newington. 
Theresa Landucci, 16, assist the Mother, born London, Lambeth. 
Eugenia Landucci, 11, Scholar, born Salop Shrewsbury. 
Listed as far as Eugenia Landucci, but 5 more on the next page all born Shrewsbury.
Mark
Just as a rough guide to find the churches etc., (not for Legal definition) ... 
The modern British Library Euston sits within the Somers Town boundary. 
It looks like part of Somers Town was demolished to build St Pancras Station and Hotel.