These are my Middlesex LOVELLs. (The numbers in square brackets refer to the current Borough.) There is probably a generation missing between these finds and your own earliest search and LMA data could be fill in the gaps.
MDX[9] Acton St Mary bp22/7/1821 (b9/7) Drusilla d/o John/Unetta, Gipsey of A.
MDX[7] Bloomsbury St George bp31/12/1813 (b12/12) John s/o Uriah/Agnes, cutler of Streatham, B.St.G.
MDX[18] Chiswick Christchurch bp3/2/1855 (b25/1) Constance d/o Riley/Caroline, lab of Turnham Green [LOVEL sic]
MDX[18] Chiswick Christchurch bp9/11/1856 (b16/10) Laura May Frances d/o Riley/Caroline, lab of Turnham Green [LOVEL sic]
MDX[18] Chiswick St Nicholas bp10/2/1849 (b28/1) Henrietta d/o Raleigh(?)/Caroline, brazier
MDX[18] Chiswick St Nicholas bp14/6/1846 (b1/6) Keziah d/o Lalla (Riley)/Caroline, brazier
MDX[13] Hammersmith (Shepherd’s Bush) St Stephen bp11/5/1862 (b18/4) Ada d/o Uriah/Marian, trav (Gypsy) of Latymer Road [LOVEL sic]
MDX[7] Holborn St Giles bp22/3/1813 Louisa d/o Thomas/Union, ch.matter of Lascelles Ct.
MDX[7] Holborn St Giles bp20/5/1814 Sarah d/o James/Linety, tinker of 3, New Street
MDX[7] Holborn St Giles bp31/7/1815 Major s/o Thomas/Susanna, knf.gr of Compton Place, St Pancras
MDX[7] Holborn St Giles bp26/5/1816 Angelina d/o Thomas/Catherine, knf.gr of 4, Blackhorse Rd., Cleveland St., St Pancras
MDX[7] Holborn St Giles bp31/8/1918 Charles John, bb s/o -/Ruth, vagabond Gypsey of 7, New Bolton Street
MDX[7] Holborn St Giles bp4/4/1819 Soloman s/o Edward/Ann, ch.btr, Charles St. Drury Lane
MDX[7] Holborn St Giles bp22/8/1819 Edward s/o Uriah/Agnes, knf.gr of Bainbrigg Street
MDX[7] Holborn St Giles bp22/8/1820 Ann d/o Alexander/Ann, ch.mkr of 25, Cross Lane
MDX[7] Holborn St Giles bp8/1/1821 Agnes d/o William/Susannah, ch.mnd of 12, New St.
MDX[7] Holborn St Giles bp25/12/1821 Edwin s/o Thomas/Catherine, ch.btr of 48 Charles St
MDX[19] Islington St Mary bp15/9/1782 Mary d/o Solomon/Domonah (noi)
MDX[20] Kensington St James Norlands bp27/4/1856 Betsey d/o Robert/Sarah, lab, Potteries
MDX[20] Kensington St James Norlands bp27/4/1856 Robert s/o Robert/Sarah, lab, Potteries
MDX[20] Kensington St James Norlands bp27/4/1856 Edward s/o Robert/Sarah, lab Potteries
MDX[20] Kensington St James Norlands bp19/11/1858 Charlotte d/o Joseph/Elizabeth, dec’d of Mary Place
MDX[20] Kensington St James Norlands bp11/11/1866 Clara s/o Duriah/Mary Anne, trav of K.
MDX[20] Kensington St James Norlands bp1/11/1868 Mary Ann d/o Uriah/Mary Ann, trav
MDX[20] Kensington St James Norlands bp25/1/1874 Israel s/o Uriah/Mary Ann, ch.btr of 19, St Mary’s Place [BOSWELL sic]
MDX[20] Kensington St James Norlands bp26/3/1876 Thomas s/o James/Altialia, ch.cnr of 22, Bangor St
MDX[20] Kensington St James Norlands bp6/1/1878 Violetta d/o Uriah/Mary Ann, ch.cnr of 15, Martin St., Latimer Road [BOSWELL sic]
MDX[33] Marylebone St Mary bp7/8/1796 (b24/7) Ruth d/o Duriah/Elizabeth (noi)
MDX[7] St Pancras Old Church bp6/8/1815 Uriah s/o Uriah/Agnes, grinder of Conbtr Place
MDX[12] Shoreditch St Leonard bp27/7/1823 Letitia d/o John/Union, cutler, Crooked Billet Yd
MDX[14] Tottenham All Hallows bp13/4/1817 (b2/4) Thomas s/o Hezekiah/Mary, gipsy knf.gr