Have you checked these pages?
https://www.eupedia.com/europe/Haplogroup_T_mtDNA.shtml
https://www.eupedia.com/genetics/italian_dna.shtml
Some T1 subclades are found in Italy.
It seems rare, but its highest occurrence is in Campania. My grandfather's maternal line is from Ercolano (Campania), and their Mtdna is T1.
[TABLE="class: sortable, width: 970"]
[TR]
[TD="class: left"]Region/Haplogroup[/TD]
[TD="class: HV, align: center"]
HV[/TD]
[TD="class: H, align: center"]
H[/TD]
[TD="class: V"]
HV0+V[/TD]
[TD="class: J, align: center"]
J[/TD]
[TD="class: mT sorttable_sorted_reverse, align: center"]
T1 ▴[/TD]
[TD="class: mT, align: center"]
T2[/TD]
[TD="class: U1, align: center"]
U1[/TD]
[TD="class: U2, align: center"]
U2[/TD]
[TD="class: U3, align: center"]
U3[/TD]
[TD="class: U4, align: center"]
U4[/TD]
[TD="class: U5, align: center"]
U5[/TD]
[TD="class: U, align: center"]
U[/TD]
[TD="class: K, align: center"]
K[/TD]
[TD="class: I, align: center"]
N1+I[/TD]
[TD="class: W, align: center"]
N2+W[/TD]
[TD="class: X, align: center"]
X[/TD]
[TD="class: others, width: 40, align: center"]
Other[/TD]
[TD="class: others, width: 40, align: center"]
Size[/TD]
[/TR]
[TR="class: alt, bgcolor: #ECE8DA"]
[TD="class: left"]Campania[/TD]
[TD="class: HV, align: center"]2.8[/TD]
[TD="class: H, align: center"]43.8[/TD]
[TD="class: V, align: center"]2.8[/TD]
[TD="class: J, align: center"]8[/TD]
[TD="class: mT, align: center"]4.1[/TD]
[TD="class: mT, align: center"]6.3[/TD]
[TD="class: U1, align: center"]1.1[/TD]
[TD="class: U2, align: center"]0.6[/TD]
[TD="class: U3, align: center"]5.2[/TD]
[TD="class: U4, align: center"]1.9[/TD]
[TD="class: U5, align: center"]4.1[/TD]
[TD="class: U, align: center"]2.2[/TD]
[TD="class: K, align: center"]7.4[/TD]
[TD="class: I, align: center"]3.8[/TD]
[TD="class: W, align: center"]1.1[/TD]
[TD="class: X, align: center"]1.7[/TD]
[TD="class: others, align: center"]3[/TD]
[TD="class: others, align: center"]363[/TD]
[/TR]
[TR="class: alt2, bgcolor: #EFE7D7"]
[TD="class: left"]ITALY[/TD]
[TD="class: HV, align: center"]2.9[/TD]
[TD="class: H, align: center"]40.2[/TD]
[TD="class: V, align: center"]3.3[/TD]
[TD="class: J, align: center"]8.1[/TD]
[TD="class: mT, align: center"]3.3[/TD]
[TD="class: mT, align: center"]8.2[/TD]
[TD="class: U1, align: center"]1.5[/TD]
[TD="class: U2, align: center"]1.6[/TD]
[TD="class: U3, align: center"]2.1[/TD]
[TD="class: U4, align: center"]1.9[/TD]
[TD="class: U5, align: center"]4.6[/TD]
[TD="class: U, align: center"]2.7[/TD]
[TD="class: K, align: center"]7.7[/TD]
[TD="class: I, align: center"]1.4[/TD]
[TD="class: W, align: center"]1.9[/TD]
[TD="class: X, align: center"]2[/TD]
[TD="class: others, align: center"]7.9[/TD]
[TD="class: others, align: center"]3255[/TD]
[/TR]
[TR="class: alt, bgcolor: #ECE8DA"]
[TD="class: left"]Apulia[/TD]
[TD="class: HV, align: center"]1.9[/TD]
[TD="class: H, align: center"]35.7[/TD]
[TD="class: V, align: center"]2.6[/TD]
[TD="class: J, align: center"]10.4[/TD]
[TD="class: mT, align: center"]3.2[/TD]
[TD="class: mT, align: center"]9.1[/TD]
[TD="class: U1, align: center"]1.3[/TD]
[TD="class: U2, align: center"]1.3[/TD]
[TD="class: U3, align: center"]2.6[/TD]
[TD="class: U4, align: center"]3.2[/TD]
[TD="class: U5, align: center"]4.5[/TD]
[TD="class: U, align: center"]2.6[/TD]
[TD="class: K, align: center"]5.8[/TD]
[TD="class: I, align: center"]5.8[/TD]
[TD="class: W, align: center"]3.2[/TD]
[TD="class: X, align: center"]2.6[/TD]
[TD="class: others, align: center"]3.9[/TD]
[TD="class: others, align: center"]154[/TD]
[/TR]
[TR="class: alt, bgcolor: #ECE8DA"]
[TD="class: left"]Veneto[/TD]
[TD="class: HV, align: center"]1.5[/TD]
[TD="class: H, align: center"]41.2[/TD]
[TD="class: V, align: center"]5.9[/TD]
[TD="class: J, align: center"]10.3[/TD]
[TD="class: mT, align: center"]2.9[/TD]
[TD="class: mT, align: center"]18.8[/TD]
[TD="class: U1, align: center"]?[/TD]
[TD="class: U2, align: center"]?[/TD]
[TD="class: U3, align: center"]1.5[/TD]
[TD="class: U4, align: center"]?[/TD]
[TD="class: U5, align: center"]1.5[/TD]
[TD="class: U, align: center"](2.9)[/TD]
[TD="class: K, align: center"]4.4[/TD]
[TD="class: I, align: center"]1.5[/TD]
[TD="class: W, align: center"]0[/TD]
[TD="class: X, align: center"]4.4[/TD]
[TD="class: others, align: center"]0.1[/TD]
[TD="class: others, align: center"]68[/TD]
[/TR]
[TR]
[TD="class: left"]Sardinia[/TD]
[TD="class: HV, align: center"]4.4[/TD]
[TD="class: H, align: center"]44.3[/TD]
[TD="class: V, align: center"]3.7[/TD]
[TD="class: J, align: center"]13[/TD]
[TD="class: mT, align: center"]2.9[/TD]
[TD="class: mT, align: center"]10.3[/TD]
[TD="class: U1, align: center"]0[/TD]
[TD="class: U2, align: center"]0[/TD]
[TD="class: U3, align: center"]0[/TD]
[TD="class: U4, align: center"]0[/TD]
[TD="class: U5, align: center"]10[/TD]
[TD="class: U, align: center"]1.4[/TD]
[TD="class: K, align: center"]6[/TD]
[TD="class: I, align: center"]1.6[/TD]
[TD="class: W, align: center"]0.4[/TD]
[TD="class: X, align: center"]0.4[/TD]
[TD="class: others, align: center"]1.3[/TD]
[TD="class: others, align: center"]328[/TD]
[/TR]
[TR="class: alt, bgcolor: #ECE8DA"]
[TD="class: left"]Latium[/TD]
[TD="class: HV, align: center"]3.2[/TD]
[TD="class: H, align: center"]39.3[/TD]
[TD="class: V, align: center"]4.7[/TD]
[TD="class: J, align: center"]8.4[/TD]
[TD="class: mT, align: center"]2.9[/TD]
[TD="class: mT, align: center"]4.6[/TD]
[TD="class: U1, align: center"]1.6[/TD]
[TD="class: U2, align: center"]1.9[/TD]
[TD="class: U3, align: center"]5.3[/TD]
[TD="class: U4, align: center"]0.6[/TD]
[TD="class: U5, align: center"]4.2[/TD]
[TD="class: U, align: center"]1.2[/TD]
[TD="class: K, align: center"]7.6[/TD]
[TD="class: I, align: center"]1.6[/TD]
[TD="class: W, align: center"]1.9[/TD]
[TD="class: X, align: center"]3.1[/TD]
[TD="class: others, align: center"]7.6[/TD]
[TD="class: others, align: center"]641[/TD]
[/TR]
[TR="class: alt, bgcolor: #ECE8DA"]
[TD="class: left"]Lombardy[/TD]
[TD="class: HV, align: center"]3.4[/TD]
[TD="class: H, align: center"]38.4[/TD]
[TD="class: V, align: center"]3.9[/TD]
[TD="class: J, align: center"]5.1[/TD]
[TD="class: mT, align: center"]2.8[/TD]
[TD="class: mT, align: center"]9[/TD]
[TD="class: U1, align: center"]1.7[/TD]
[TD="class: U2, align: center"]1.1[/TD]
[TD="class: U3, align: center"]0[/TD]
[TD="class: U4, align: center"]4[/TD]
[TD="class: U5, align: center"]5.1[/TD]
[TD="class: U, align: center"]0[/TD]
[TD="class: K, align: center"]11.3[/TD]
[TD="class: I, align: center"]5.1[/TD]
[TD="class: W, align: center"]1.1[/TD]
[TD="class: X, align: center"]6.8[/TD]
[TD="class: others, align: center"]1.2[/TD]
[TD="class: others, align: center"]177[/TD]
[/TR]
[TR]
[TD="class: left"]Tuscany[/TD]
[TD="class: HV, align: center"]4.8[/TD]
[TD="class: H, align: center"]41.4[/TD]
[TD="class: V, align: center"]5.1[/TD]
[TD="class: J, align: center"]6.4[/TD]
[TD="class: mT, align: center"]2.7[/TD]
[TD="class: mT, align: center"]8.6[/TD]
[TD="class: U1, align: center"]0.5[/TD]
[TD="class: U2, align: center"]1.9[/TD]
[TD="class: U3, align: center"]2.4[/TD]
[TD="class: U4, align: center"]2.1[/TD]
[TD="class: U5, align: center"]4[/TD]
[TD="class: U, align: center"]3.5[/TD]
[TD="class: K, align: center"]7.8[/TD]
[TD="class: I, align: center"]2.1[/TD]
[TD="class: W, align: center"]2.1[/TD]
[TD="class: X, align: center"]2.1[/TD]
[TD="class: others, align: center"]2.5[/TD]
[TD="class: others, align: center"]374[/TD]
[/TR]
[TR="class: alt, bgcolor: #ECE8DA"]
[TD="class: left"]Sicily[/TD]
[TD="class: HV, align: center"]5[/TD]
[TD="class: H, align: center"]45.2[/TD]
[TD="class: V, align: center"]2.3[/TD]
[TD="class: J, align: center"]6.7[/TD]
[TD="class: mT, align: center"]2.7[/TD]
[TD="class: mT, align: center"]4.4[/TD]
[TD="class: U1, align: center"]2[/TD]
[TD="class: U2, align: center"]1[/TD]
[TD="class: U3, align: center"]0.7[/TD]
[TD="class: U4, align: center"]1.3[/TD]
[TD="class: U5, align: center"]3.3[/TD]
[TD="class: U, align: center"]1.7[/TD]
[TD="class: K, align: center"]6.3[/TD]
[TD="class: I, align: center"]6[/TD]
[TD="class: W, align: center"]1[/TD]
[TD="class: X, align: center"]3.7[/TD]
[TD="class: others, align: center"]5.6[/TD]
[TD="class: others, align: center"]303[/TD]
[/TR]
[TR]
[TD="class: left"]Marche[/TD]
[TD="class: HV, align: center"]3.2[/TD]
[TD="class: H, align: center"]36.9[/TD]
[TD="class: V, align: center"]4.9[/TD]
[TD="class: J, align: center"]6.6[/TD]
[TD="class: mT, align: center"]2.7[/TD]
[TD="class: mT, align: center"]11.1[/TD]
[TD="class: U1, align: center"]0.6[/TD]
[TD="class: U2, align: center"]0.2[/TD]
[TD="class: U3, align: center"]2.7[/TD]
[TD="class: U4, align: center"]1.7[/TD]
[TD="class: U5, align: center"]8.5[/TD]
[TD="class: U, align: center"]2.2[/TD]
[TD="class: K, align: center"]6.6[/TD]
[TD="class: I, align: center"]2.8[/TD]
[TD="class: W, align: center"]1.7[/TD]
[TD="class: X, align: center"]3.2[/TD]
[TD="class: others, align: center"]4.4[/TD]
[TD="class: others, align: center"]813[/TD]
[/TR]
[TR="class: alt, bgcolor: #ECE8DA"]
[TD="class: left"]Piedmont[/TD]
[TD="class: HV, align: center"]1.2[/TD]
[TD="class: H, align: center"]56.5[/TD]
[TD="class: V, align: center"]6.5[/TD]
[TD="class: J, align: center"]7.1[/TD]
[TD="class: mT, align: center"]0.6[/TD]
[TD="class: mT, align: center"]5.9[/TD]
[TD="class: U1, align: center"]0[/TD]
[TD="class: U2, align: center"]1.8[/TD]
[TD="class: U3, align: center"]2.4[/TD]
[TD="class: U4, align: center"]1.8[/TD]
[TD="class: U5, align: center"]1.2[/TD]
[TD="class: U, align: center"]0.6[/TD]
[TD="class: K, align: center"]7.1[/TD]
[TD="class: I, align: center"]1.8[/TD]
[TD="class: W, align: center"]2.4[/TD]
[TD="class: X, align: center"]3[/TD]
[TD="class: others, align: center"]0.1[/TD]
[TD="class: others, align: center"]169[/TD]
[/TR]
[TR]
[TD="class: left"]Liguria[/TD]
[TD="class: HV, align: center"]2[/TD]
[TD="class: H, align: center"]44[/TD]
[TD="class: V, align: center"]10[/TD]
[TD="class: J, align: center"]8[/TD]
[TD="class: mT, align: center"]0[/TD]
[TD="class: mT, align: center"]4[/TD]
[TD="class: U1, align: center"]0[/TD]
[TD="class: U2, align: center"]0[/TD]
[TD="class: U3, align: center"]6[/TD]
[TD="class: U4, align: center"]0[/TD]
[TD="class: U5, align: center"]4[/TD]
[TD="class: U, align: center"]2[/TD]
[TD="class: K, align: center"]6[/TD]
[TD="class: I, align: center"]0[/TD]
[TD="class: W, align: center"]6[/TD]
[TD="class: X, align: center"]2[/TD]
[TD="class: others, align: center"]6[/TD]
[TD="class: others, align: center"]50[/TD]
[/TR]
[TR]
[TD="class: left"]Friuli-Venezia-Giulia[/TD]
[TD="class: HV, align: center"]6[/TD]
[TD="class: H, align: center"]54[/TD]
[TD="class: V, align: center"]0[/TD]
[TD="class: J, align: center"]4[/TD]
[TD="class: mT, align: center"]0[/TD]
[TD="class: mT, align: center"]12[/TD]
[TD="class: U1, align: center"]4[/TD]
[TD="class: U2, align: center"]2[/TD]
[TD="class: U3, align: center"]0[/TD]
[TD="class: U4, align: center"]0[/TD]
[TD="class: U5, align: center"]14[/TD]
[TD="class: U, align: center"]0[/TD]
[TD="class: K, align: center"]2[/TD]
[TD="class: I, align: center"]0[/TD]
[TD="class: W, align: center"]2[/TD]
[TD="class: X, align: center"]0[/TD]
[TD="class: others, align: center"]0[/TD]
[TD="class: others, align: center"]50[/TD]
[/TR]
[TR]
[TD="class: left"]Calabria[/TD]
[TD="class: HV, align: center"]10[/TD]
[TD="class: H, align: center"]28[/TD]
[TD="class: V, align: center"]4[/TD]
[TD="class: J, align: center"]14[/TD]
[TD="class: mT, align: center"]0[/TD]
[TD="class: mT, align: center"]10[/TD]
[TD="class: U1, align: center"]0[/TD]
[TD="class: U2, align: center"]0[/TD]
[TD="class: U3, align: center"]4[/TD]
[TD="class: U4, align: center"]2[/TD]
[TD="class: U5, align: center"]12[/TD]
[TD="class: U, align: center"]2[/TD]
[TD="class: K, align: center"]8[/TD]
[TD="class: I, align: center"]2[/TD]
[TD="class: W, align: center"]0[/TD]
[TD="class: X, align: center"]2[/TD]
[TD="class: others, align: center"]2[/TD]
[TD="class: others, align: center"]50[/TD]
[/TR]
[/TABLE]